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    <labelArc xlink:type="arc" xlink:from="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="label_obrasconhuartelainsa_ifrs-fullEffectOfExchangeRateChangesOnCashAndCashEquivalents_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" priority="100" />
    <labelArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="label_obrasconhuartelainsa_ifrs-fullIncreaseDecreaseInCashAndCashEquivalents_Total" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" priority="100" />
    <labelArc xlink:type="arc" xlink:from="obrasconhuartelainsa_EfectivoYEquivalentesAlInicioDelPeriodo" xlink:to="label_obrasconhuartelainsa_obrasconhuartelainsaEfectivoYEquivalentesAlInicioDelPeriodo_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="obrasconhuartelainsa_EfectivoYEquivalentesAlFinalDelPeriodoEf" xlink:to="label_obrasconhuartelainsa_obrasconhuartelainsaEfectivoYEquivalentesAlFinalDelPeriodoEf_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="ifrs-full_Cash" xlink:to="label_obrasconhuartelainsa_ifrs-fullCash_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" priority="100" />
    <labelArc xlink:type="arc" xlink:from="ifrs-full_CashEquivalents" xlink:to="label_obrasconhuartelainsa_ifrs-fullCashEquivalents_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" priority="100" />
    <labelArc xlink:type="arc" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="label_obrasconhuartelainsa_ifrs-fullCashAndCashEquivalents_Total" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" priority="100" />
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaActivosIntangibles_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaActivosIntangibles_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Activos intangibles </label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaAmortizacionAcumuladadeInmovilizadoIntangibleDistintadeProyectosConcesionales_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaAmortizacionAcumuladadeInmovilizadoIntangibleDistintadeProyectosConcesionales_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Amortizacion acumulada de inmovilizado intangible distinta de proyectos concesionales</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullIntangibleAssetsOtherThanGoodwill_Total" id="obrasconhuartelainsa_ifrs-fullIntangibleAssetsOtherThanGoodwill_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Total Activos Intangibles distintos del fondo de comercio</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaActivoIntangibleProyectosConcesionales_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaActivoIntangibleProyectosConcesionales_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Activo intangible Proyectos Concesionales</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaActivoFinancieroEnProyectosConcesionales_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaActivoFinancieroEnProyectosConcesionales_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Activo Financiero en proyectos concesionales</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTotalInmovilizadosEnProyectosConcesionales_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTotalInmovilizadosEnProyectosConcesionales_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Total inmovilizados en proyectos concesionales</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCosteTerrenosYConstrucciones_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCosteTerrenosYConstrucciones_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Coste terrenos y construcciones</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCosteMaquinaria_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCosteMaquinaria_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Coste Maquinaria</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCosteOtrasInstalacionesUtillajeYMobiliario_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCosteOtrasInstalacionesUtillajeYMobiliario_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Coste Otras instalaciones, utillaje y mobiliario</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullConstructionInProgress_Standard" id="obrasconhuartelainsa_ifrs-fullConstructionInProgress_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Anticipos e inmovilizaciones en curso</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtroInmovilizadoMaterial_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtroInmovilizadoMaterial_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otro inmovilizado material</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaAmortizacionesYProvisionesInmovilizadoMaterial_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaAmortizacionesYProvisionesInmovilizadoMaterial_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Amortizaciones y provisiones Inmovilizado Material</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullPropertyPlantAndEquipment_Total" id="obrasconhuartelainsa_ifrs-fullPropertyPlantAndEquipment_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Total Inmovilizado Material</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCarteraDeValoresNoCorrientes_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCarteraDeValoresNoCorrientes_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cartera de valores No Corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullNoncurrentFinancialAssetsAtAmortisedCost_Standard" id="obrasconhuartelainsa_ifrs-fullNoncurrentFinancialAssetsAtAmortisedCost_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros creditos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDepositosFianzasConstituidosNoCorriente_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDepositosFianzasConstituidosNoCorriente_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Depositos Fianzas Constituidos No Corriente</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaProvisionesDeActivosFinancierosNoCorrientes_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaProvisionesDeActivosFinancierosNoCorrientes_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Provisiones de activos financieros no corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullNoncurrentFinancialAssets_Total" id="obrasconhuartelainsa_ifrs-fullNoncurrentFinancialAssets_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Total Activos financieros no corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullInvestmentAccountedForUsingEquityMethod_Standard" id="obrasconhuartelainsa_ifrs-fullInvestmentAccountedForUsingEquityMethod_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Inversiones contabilizadas por el metodo de la participacion</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullNoncurrentAssets_Total" id="obrasconhuartelainsa_ifrs-fullNoncurrentAssets_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">TOTAL ACTIVO NO CORRIENTE</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_Standard" id="obrasconhuartelainsa_ifrs-fullNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Activos no corrientes mantenidos para la venta</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentRawMaterialsAndCurrentProductionSupplies_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentRawMaterialsAndCurrentProductionSupplies_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Materiales incorporables fungibles y repuestos de maquinaria</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullOtherInventories_Standard" id="obrasconhuartelainsa_ifrs-fullOtherInventories_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Trabajos talleres auxiliares e instalaciones de obra</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentAdvancesToSuppliers_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentAdvancesToSuppliers_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Anticipos a proveedores y subcontratistas</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaProvisionesDeExistenciasCorrientes_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaProvisionesDeExistenciasCorrientes_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Provisiones de existencias corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTotalExistencias_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTotalExistencias_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Total Existencias</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentTradeReceivables_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentTradeReceivables_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Clientes por ventas y prestaciones de servicios</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullTradeAndOtherCurrentReceivablesDueFromRelatedParties_Standard" id="obrasconhuartelainsa_ifrs-fullTradeAndOtherCurrentReceivablesDueFromRelatedParties_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Empresas asociadas deudores</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaAnticiposPersonal_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaAnticiposPersonal_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Anticipos Personal</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentReceivablesFromTaxesOtherThanIncomeTax_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentReceivablesFromTaxesOtherThanIncomeTax_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Administraciones publicas</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDeudoresVarios_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDeudoresVarios_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Deudores varios</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaProvisionesDeCuentasComercialesYOtrasCuentasACobrar_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaProvisionesDeCuentasComercialesYOtrasCuentasACobrar_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Provisiones de cuentas comerciales y otras cuentas a cobrar</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullTradeAndOtherCurrentReceivables_Total" id="obrasconhuartelainsa_ifrs-fullTradeAndOtherCurrentReceivables_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Total Deudas comerciales y otras cuentas por cobrar</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCarteraDeValoresCorrientes_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCarteraDeValoresCorrientes_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cartera de valores Corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentFinancialAssetsAtAmortisedCost_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentFinancialAssetsAtAmortisedCost_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros creditos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDepositosYFianzasConstituidosCorriente_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDepositosYFianzasConstituidosCorriente_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Depositos y fianzas constituidos Corriente</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaProvisionesOtrosActivosFinancierosCorrientes_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaProvisionesOtrosActivosFinancierosCorrientes_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Provisiones Otros Activos Financieros Corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentFinancialAssets_Total" id="obrasconhuartelainsa_ifrs-fullCurrentFinancialAssets_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Total Activos financieros corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentTaxAssetsCurrent_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentTaxAssetsCurrent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Activos por impuestos sobre las ganancias corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtrosActivosCorrientes_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtrosActivosCorrientes_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros activos corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCashAndCashEquivalents_Standard" id="obrasconhuartelainsa_ifrs-fullCashAndCashEquivalents_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Efectivo y otros activos líquidos equivalentes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentAssets_Total" id="obrasconhuartelainsa_ifrs-fullCurrentAssets_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">TOTAL ACTIVO CORRIENTE</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullAssets_Total" id="obrasconhuartelainsa_ifrs-fullAssets_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">TOTAL ACTIVO</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullIssuedCapital_Standard" id="obrasconhuartelainsa_ifrs-fullIssuedCapital_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Capital social</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullSharePremium_Standard" id="obrasconhuartelainsa_ifrs-fullSharePremium_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Prima de emision</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaReservasSociedadDominante_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaReservasSociedadDominante_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Reservas Sociedad Dominante</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaReservasEnSociedadesConsolidadasDistintasSociedadesDominante_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaReservasEnSociedadesConsolidadasDistintasSociedadesDominante_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Reservas en sociedades consolidadas distintas sociedades dominante</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtrasReservasAjustesValoracion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtrasReservasAjustesValoracion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otras Reservas Ajustes Valoracion</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaResultadoConsolidadoDelEjercicioAtribuibleALaSociedadDominante_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaResultadoConsolidadoDelEjercicioAtribuibleALaSociedadDominante_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Resultado consolidado del ejercicio atribuible a la Sociedad Dominante</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullEquityAttributableToOwnersOfParent_Total" id="obrasconhuartelainsa_ifrs-fullEquityAttributableToOwnersOfParent_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">TOTAL PATRIMONIO ATRIBUIDO A LA SOCIEDAD DOMINANTE</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaInteresesMinoritarios_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaInteresesMinoritarios_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Intereses minoritarios</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullEquity_Total" id="obrasconhuartelainsa_ifrs-fullEquity_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Saldo final al 31 de diciembre de 2019</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullNoncurrentPortionOfNoncurrentBondsIssued_Standard" id="obrasconhuartelainsa_ifrs-fullNoncurrentPortionOfNoncurrentBondsIssued_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Emision de bonos corporativos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTotalBonosALargoPlazo_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTotalBonosALargoPlazo_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Total bonos a largo plazo</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullNoncurrentPortionOfNoncurrentLoansReceived_Standard" id="obrasconhuartelainsa_ifrs-fullNoncurrentPortionOfNoncurrentLoansReceived_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Prestamos hipotecarios y otros prestamos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaPrestamosSociedadesConcesionariasNoCorrientes_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaPrestamosSociedadesConcesionariasNoCorrientes_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Prestamos Sociedades Concesionarias No Corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTotalDeudasALargoPlazoConEntidadesDeCredito_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTotalDeudasALargoPlazoConEntidadesDeCredito_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Total deudas a largo plazo con entidades de credito</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullNoncurrentProvisions_Standard" id="obrasconhuartelainsa_ifrs-fullNoncurrentProvisions_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Provisiones</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullRentDeferredIncomeClassifiedAsNoncurrent_Standard" id="obrasconhuartelainsa_ifrs-fullRentDeferredIncomeClassifiedAsNoncurrent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Ingresos diferidos</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullOtherNoncurrentNonfinancialLiabilities_Standard" id="obrasconhuartelainsa_ifrs-fullOtherNoncurrentNonfinancialLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros pasivos no corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullNoncurrentLiabilities_Total" id="obrasconhuartelainsa_ifrs-fullNoncurrentLiabilities_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">TOTAL PASIVO NO CORRIENTE</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_Standard" id="obrasconhuartelainsa_ifrs-fullLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Pasivos vinculados con activos mantenidos para la venta</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Emision de bonos corporativos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTotalBonosACortoPlazo_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTotalBonosACortoPlazo_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Total bonos a corto plazo</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentLoansReceivedAndCurrentPortionOfNoncurrentLoansReceived_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentLoansReceivedAndCurrentPortionOfNoncurrentLoansReceived_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Prestamos hipotecarios y otros prestamos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaPrestamosDeSociedadesConcesionarias_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaPrestamosDeSociedadesConcesionarias_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Prestamos de sociedades concesionarias</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentInterestPayable_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentInterestPayable_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Deudas por intereses devengados y no vencidos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDeudasPorInteresesDevengadosYNoVencidosDeSociedadesConcesionarias_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDeudasPorInteresesDevengadosYNoVencidosDeSociedadesConcesionarias_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Deudas por intereses devengados y no vencidos de sociedades concesionarias</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullOtherCurrentFinancialLiabilities_Standard" id="obrasconhuartelainsa_ifrs-fullOtherCurrentFinancialLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros pasivos financieros</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentAdvances_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentAdvances_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Anticipos recibidos de clientes</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDeudasPorComprasOPrestacionesDeServicios_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDeudasPorComprasOPrestacionesDeServicios_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Deudas por compras o prestaciones de servicios</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDeudasRepresentadasPorEfectosAPagar_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDeudasRepresentadasPorEfectosAPagar_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Deudas representadas por efectos a pagar</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTotalCuentasAPagarConTerceros_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTotalCuentasAPagarConTerceros_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Total cuentas a pagar con terceros</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentProvisions_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentProvisions_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Provisiones</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentTaxLiabilitiesCurrent_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentTaxLiabilitiesCurrent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Pasivos por impuestos sobre las ganancias corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullTradeAndOtherCurrentPayablesToRelatedParties_Standard" id="obrasconhuartelainsa_ifrs-fullTradeAndOtherCurrentPayablesToRelatedParties_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Deudas con empresas asociadas</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullShorttermEmployeeBenefitsAccruals_Standard" id="obrasconhuartelainsa_ifrs-fullShorttermEmployeeBenefitsAccruals_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Remuneraciones pendientes de pago</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_Standard" id="obrasconhuartelainsa_ifrs-fullCurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Administraciones publicas</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtrasDeudasNoComerciales_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtrasDeudasNoComerciales_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otras deudas no comerciales</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaFianzasYDepositosRecibidos_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaFianzasYDepositosRecibidos_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Fianzas y depositos recibidos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtrosPasivosCorrientes_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtrosPasivosCorrientes_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros pasivos corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTotalOtrosPasivosCorrientes_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTotalOtrosPasivosCorrientes_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Total otros pasivos corrientes</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCurrentLiabilities_Total" id="obrasconhuartelainsa_ifrs-fullCurrentLiabilities_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">TOTAL PASIVO CORRIENTE</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullEquityAndLiabilities_Total" id="obrasconhuartelainsa_ifrs-fullEquityAndLiabilities_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">TOTAL PASIVO Y PATRIMONIO NETO</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullRevenue_Standard" id="obrasconhuartelainsa_ifrs-fullRevenue_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Importe neto de la cifra de negocios</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullOtherIncome_Standard" id="obrasconhuartelainsa_ifrs-fullOtherIncome_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros ingresos de explotacion</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTotalIngresos_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTotalIngresos_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Total ingresos</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCostOfSales_Standard" id="obrasconhuartelainsa_ifrs-fullCostOfSales_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Aprovisionamientos</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullEmployeeBenefitsExpense_Standard" id="obrasconhuartelainsa_ifrs-fullEmployeeBenefitsExpense_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Gastos de personal</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullOtherExpenseByNature_Standard" id="obrasconhuartelainsa_ifrs-fullOtherExpenseByNature_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros gastos de explotacion</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullAmortisationExpense_Standard" id="obrasconhuartelainsa_ifrs-fullAmortisationExpense_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Dotación a la amortizacion</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_Standard" id="obrasconhuartelainsa_ifrs-fullImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Variacion de provisiones</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullProfitLossFromOperatingActivities_Total" id="obrasconhuartelainsa_ifrs-fullProfitLossFromOperatingActivities_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">RESULTADO DE EXPLOTACION</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullFinanceCosts_Standard" id="obrasconhuartelainsa_ifrs-fullFinanceCosts_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Gastos financieros</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDiferenciasDeCambioNetas_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDiferenciasDeCambioNetas_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Diferencias de cambio netas</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaResultadoPorVariacionesDeValorDeInstrumentosFinancierosAValorRazonable_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaResultadoPorVariacionesDeValorDeInstrumentosFinancierosAValorRazonable_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Resultado por variaciones de valor de instrumentos financieros a valor razonable</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaResultadoDeEntidadesValoradasPorElMetodoDeLaParticipacion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaResultadoDeEntidadesValoradasPorElMetodoDeLaParticipacion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Resultado de entidades valoradas por el método de la participación</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDeterioroYResultadoPorEnajenacionDeInstrumentosFinancieros_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDeterioroYResultadoPorEnajenacionDeInstrumentosFinancieros_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Deterioro y resultado por enajenacion de instrumentos financieros</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullProfitLossBeforeTax_Total" id="obrasconhuartelainsa_ifrs-fullProfitLossBeforeTax_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">RESULTADO ANTES DE IMPUESTOS</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullIncomeTaxExpenseContinuingOperations_Standard" id="obrasconhuartelainsa_ifrs-fullIncomeTaxExpenseContinuingOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Impuesto sobre sociedades</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullProfitLossFromContinuingOperations_Total" id="obrasconhuartelainsa_ifrs-fullProfitLossFromContinuingOperations_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">RESULTADO DEL EJERCICIO PROCEDENTE DE OPERACIONES CONTINUADAS</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullProfitLoss_Total" id="obrasconhuartelainsa_ifrs-fullProfitLoss_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">RESULTADO CONSOLIDADO DEL EJERCICIO</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaInteresesMinoritariosDeOperacionesContinuadas_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaInteresesMinoritariosDeOperacionesContinuadas_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Intereses minoritarios de operaciones continuadas</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullProfitLossAttributableToOwnersOfParent_Total" id="obrasconhuartelainsa_ifrs-fullProfitLossAttributableToOwnersOfParent_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">RESULTADO CONSOLIDADO DEL EJERCICIO ATRIBUIBLE A LA SOCIEDAD</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullBasicEarningsLossPerShareFromContinuingOperations_Standard" id="obrasconhuartelainsa_ifrs-fullBasicEarningsLossPerShareFromContinuingOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Diluido</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullDilutedEarningsLossPerShareFromContinuingOperations_Standard" id="obrasconhuartelainsa_ifrs-fullDilutedEarningsLossPerShareFromContinuingOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Diluido</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullProfitLoss_Standard" id="obrasconhuartelainsa_ifrs-fullProfitLoss_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">RESULTADO CONSOLIDADO DEL EJERCICIO</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaIngresosYGastosImputadosDirectamenteEnElPatrimonioNeto_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaIngresosYGastosImputadosDirectamenteEnElPatrimonioNeto_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Ingresos y gastos imputados directamente en el patrimonio neto</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCoberturasDeFlujosDeEfectivoImputadoDirectamenteEnElPatrimonioNeto_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCoberturasDeFlujosDeEfectivoImputadoDirectamenteEnElPatrimonioNeto_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Coberturas de flujos de efectivo Imputado directamente en el Patrimonio neto</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDiferenciasDeConversion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDiferenciasDeConversion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Diferencias de conversión</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaGananciasPerdidasEntidadesValoradasPorelMetodoDeLaParticipacion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaGananciasPerdidasEntidadesValoradasPorelMetodoDeLaParticipacion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Ganancias perdidas entidades valoradas por el metodo de la participacion</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaEfectoImpositivoIngresosGastosImputadosDirectamentePn_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaEfectoImpositivoIngresosGastosImputadosDirectamentePn_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Efecto impositivo ingresos gastos imputados directamente pn</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTransferenciasALaCuentaDePerdidasYganancias_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTransferenciasALaCuentaDePerdidasYganancias_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Transferencias a la cuenta de perdidas y ganancias</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCoberturasDeFlujosDeEfectivoImputadoALaCuentaDePerdidasYGanancias_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCoberturasDeFlujosDeEfectivoImputadoALaCuentaDePerdidasYGanancias_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Coberturas de flujos de efectivo imputado a la cuenta de perdidas y ganancias</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaAjustesReclasificacionEntidadesValoradasMetodoParticipacion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaAjustesReclasificacionEntidadesValoradasMetodoParticipacion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Ajustes Reclasificacion Entidades Valoradas Metodo Participacion</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaEfectoImpositivo_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaEfectoImpositivo_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Efecto impositivo</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullComprehensiveIncome_Total" id="obrasconhuartelainsa_ifrs-fullComprehensiveIncome_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">TOTAL INGRESOS GASTOS RECONOCIDOS</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullComprehensiveIncomeAttributableToOwnersOfParent_Standard" id="obrasconhuartelainsa_ifrs-fullComprehensiveIncomeAttributableToOwnersOfParent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Atribuibles a la Sociedad Dominante</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaAtribuiblesAInteresesMinoritarios_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaAtribuiblesAInteresesMinoritarios_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Atribuibles a intereses minoritarios</label>
    <label xlink:label="label_obrasconhuartelainsa_PrimaEmisionReservasMember" id="obrasconhuartelainsa_PrimaEmisionReservasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Prima Emision Reservas</label>
    <label xlink:label="label_obrasconhuartelainsa_ResultadoConsolidadoDelEjercicioAtribuibleALaSociedadDominanteMember" id="obrasconhuartelainsa_ResultadoConsolidadoDelEjercicioAtribuibleALaSociedadDominanteMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Resultado consolidado del ejercicio atribuible a la Sociedad dominante</label>
    <label xlink:label="label_obrasconhuartelainsa_OtrasReservasAjustesValoracionMember" id="obrasconhuartelainsa_OtrasReservasAjustesValoracionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otras Reservas Ajustes Valoracion</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullComprehensiveIncome_Verbose" id="obrasconhuartelainsa_ifrs-fullComprehensiveIncome_Verbose" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="es">Total ingresos y gastos reconocidos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOperacionesConSociosOPropietarios_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOperacionesConSociosOPropietarios_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Operaciones con socios o propietarios</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullIssueOfEquity_Verbose" id="obrasconhuartelainsa_ifrs-fullIssueOfEquity_Verbose" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="es">Operaciones con socios o propietarios</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtrasVariacionesDePatrimonioNeto_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtrasVariacionesDePatrimonioNeto_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otras variaciones de patrimonio neto</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaTraspasosEntrePartidasDePatrimonioNeto_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaTraspasosEntrePartidasDePatrimonioNeto_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Traspasos entre partidas de patrimonio neto</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullIncreaseDecreaseThroughTransfersAndOtherChangesEquity_Verbose" id="obrasconhuartelainsa_ifrs-fullIncreaseDecreaseThroughTransfersAndOtherChangesEquity_Verbose" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="es">Otras variaciones</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullEquity_PeriodStart" id="obrasconhuartelainsa_ifrs-fullEquity_PeriodStart" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="es">Saldo final al 31 de diciembre de 2020</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullComprehensiveIncome_Standard" id="obrasconhuartelainsa_ifrs-fullComprehensiveIncome_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Total ingresos y gastos reconocidos</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullIssueOfEquity_Standard" id="obrasconhuartelainsa_ifrs-fullIssueOfEquity_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Operaciones con socios o propietarios</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullIncreaseDecreaseThroughTreasuryShareTransactions_Standard" id="obrasconhuartelainsa_ifrs-fullIncreaseDecreaseThroughTreasuryShareTransactions_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Operaciones con acciones propias</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullIncreaseDecreaseThroughTransfersAndOtherChangesEquity_Standard" id="obrasconhuartelainsa_ifrs-fullIncreaseDecreaseThroughTransfersAndOtherChangesEquity_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otras variaciones</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullEquity_PeriodEnd" id="obrasconhuartelainsa_ifrs-fullEquity_PeriodEnd" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="es">Saldo final al 30 de junio de 2021</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCashFlowsFromUsedInOperatingActivities_Total" id="obrasconhuartelainsa_ifrs-fullCashFlowsFromUsedInOperatingActivities_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">FLUJOS DE EFECTIVO DE LAS ACTIVIDADES DE EXPLOTACION</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaResultadoAntesDeImpuestos_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaResultadoAntesDeImpuestos_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Resultado antes de impuestos</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullAdjustmentsForReconcileProfitLoss_Total" id="obrasconhuartelainsa_ifrs-fullAdjustmentsForReconcileProfitLoss_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Ajustes al resultado</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullAdjustmentsForAmortisationExpense_Standard" id="obrasconhuartelainsa_ifrs-fullAdjustmentsForAmortisationExpense_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Amortizacion</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullOtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow_Standard" id="obrasconhuartelainsa_ifrs-fullOtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros ajustes al resultado</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCambiosEnElCapitalCorriente_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCambiosEnElCapitalCorriente_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cambios en el capital corriente</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtrosFlujosDeEfectivoDeLasActividadesDeExplotacion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtrosFlujosDeEfectivoDeLasActividadesDeExplotacion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros flujos de efectivo de las actividades de explotacion</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullDividendsReceivedClassifiedAsOperatingActivities_Standard" id="obrasconhuartelainsa_ifrs-fullDividendsReceivedClassifiedAsOperatingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cobros de dividendos</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCobrosPagosPorImpuestoSobreBeneficios_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCobrosPagosPorImpuestoSobreBeneficios_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cobros/(pagos) por impuesto sobre beneficios</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullOtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_Standard" id="obrasconhuartelainsa_ifrs-fullOtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros cobros pagos de actividades de explotacion</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCashFlowsFromUsedInInvestingActivities_Total" id="obrasconhuartelainsa_ifrs-fullCashFlowsFromUsedInInvestingActivities_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">FLUJOS DE EFECTIVO DE LAS ACTIVIDADES DE INVERSION</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaPagosPorInversiones_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaPagosPorInversiones_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Pagos por inversiones</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaEmpresasGrupoAsociadasUnidadesNegocioPagosInversiones_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaEmpresasGrupoAsociadasUnidadesNegocioPagosInversiones_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Empresas Grupo Asociadas Unidades Negocio Pagos Inversiones</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaInmovilizadoMaterialIntangibleInversionesInmobiliariasPagosInversiones_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaInmovilizadoMaterialIntangibleInversionesInmobiliariasPagosInversiones_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Inmovilizado material intangible inversiones inmobiliarias pagos inversiones</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtrosActivosFinancieros_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtrosActivosFinancieros_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros activos financieros</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCobrosPorDesinversiones_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCobrosPorDesinversiones_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cobros por desinversiones</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaEmpresasGrupoAsociadasUnidadesNegocioCobrosDesinversiones_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaEmpresasGrupoAsociadasUnidadesNegocioCobrosDesinversiones_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Empresas Grupo Asociadas Unidades Negocio Cobros Desinversiones</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaInmovilizadoMaterialIntangibleCobrosInversionesInmobiliariasCobrosDesinversiones_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaInmovilizadoMaterialIntangibleCobrosInversionesInmobiliariasCobrosDesinversiones_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Inmovilizado material intangible cobros inversiones inmobiliarias cobros desinversiones</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtrosFlujosDeEfectivoDeActividadesDeInversion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtrosFlujosDeEfectivoDeActividadesDeInversion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros flujos de efectivo de actividades de inversion</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullInterestReceivedClassifiedAsInvestingActivities_Standard" id="obrasconhuartelainsa_ifrs-fullInterestReceivedClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cobros de intereses</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCashFlowsFromUsedInFinancingActivities_Total" id="obrasconhuartelainsa_ifrs-fullCashFlowsFromUsedInFinancingActivities_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">FLUJOS DE EFECTIVO DE LAS ACTIVIDADES DE FINANCIACION</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCobrosYPagosPorInstrumentosDePatrimonio_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCobrosYPagosPorInstrumentosDePatrimonio_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cobros y (pagos) por instrumentos de patrimonio</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaAdquisicionIntrumentosPatrimonioPropio_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaAdquisicionIntrumentosPatrimonioPropio_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Adquisicion Intrumentos Patrimonio Propio</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaAdquisicion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaAdquisicion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Adquisicion</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaEnajenacion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaEnajenacion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Enajenacion</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaCobrosYPagosPorInstrumentosDePasivoFinanciero_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaCobrosYPagosPorInstrumentosDePasivoFinanciero_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cobros y (pagos) por instrumentos de pasivo financiero</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaEmision_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaEmision_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Emisión</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaDevolucionYAmortizacion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaDevolucionYAmortizacion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Devolución y amortización</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaOtrosFlujosDeEfectivoDeActividadesDeFinanciacion_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaOtrosFlujosDeEfectivoDeActividadesDeFinanciacion_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros flujos de efectivo de actividades de financiacion</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaPagosDeIntereses_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaPagosDeIntereses_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Pagos de intereses</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullOtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_Standard" id="obrasconhuartelainsa_ifrs-fullOtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros cobros pagos de actividades de financiacion</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullEffectOfExchangeRateChangesOnCashAndCashEquivalents_Standard" id="obrasconhuartelainsa_ifrs-fullEffectOfExchangeRateChangesOnCashAndCashEquivalents_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">IMPACTO DE LOS TIPOS DE CAMBIO SOBRE EFECTIVO Y EQUIVALENTES</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullIncreaseDecreaseInCashAndCashEquivalents_Total" id="obrasconhuartelainsa_ifrs-fullIncreaseDecreaseInCashAndCashEquivalents_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">AUMENTO DISMINUCION NETO DE EFECTIVO Y EQUIVALENTES </label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaEfectivoYEquivalentesAlInicioDelPeriodo_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaEfectivoYEquivalentesAlInicioDelPeriodo_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Efectivo y equivalentes al inicio del periodo</label>
    <label xlink:label="label_obrasconhuartelainsa_obrasconhuartelainsaEfectivoYEquivalentesAlFinalDelPeriodoEf_Standard" id="obrasconhuartelainsa_obrasconhuartelainsaEfectivoYEquivalentesAlFinalDelPeriodoEf_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Efectivo y equivalentes al final del periodo ef</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCash_Standard" id="obrasconhuartelainsa_ifrs-fullCash_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Caja y bancos</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCashEquivalents_Standard" id="obrasconhuartelainsa_ifrs-fullCashEquivalents_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros activos financieros</label>
    <label xlink:label="label_obrasconhuartelainsa_ifrs-fullCashAndCashEquivalents_Total" id="obrasconhuartelainsa_ifrs-fullCashAndCashEquivalents_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">TOTAL EFECTIVO Y EQUIVALENTES AL FINAL DEL PERIODO</label>
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