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  <xsd:element name="OperatingLeasesExpirationPeriodYearFourMember" id="nen_OperatingLeasesExpirationPeriodYearFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesExpirationPeriodYearSevenMember" id="nen_OperatingLeasesExpirationPeriodYearSevenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesExpirationPeriodYearSixMember" id="nen_OperatingLeasesExpirationPeriodYearSixMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesExpirationPeriodYearThreeMember" id="nen_OperatingLeasesExpirationPeriodYearThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesExpirationPeriodYearTwoMember" id="nen_OperatingLeasesExpirationPeriodYearTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesNoncancelableMaximumLeaseTerm" id="nen_OperatingLeasesNoncancelableMaximumLeaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesNumberOfLeasesExpiring" id="nen_OperatingLeasesNumberOfLeasesExpiring" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesPercentageOfAnnualBaseRentForExpiringLeases" id="nen_OperatingLeasesPercentageOfAnnualBaseRentForExpiringLeases" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesPercentageOfRentalIncomeRelatedToCommercialProperty" id="nen_OperatingLeasesPercentageOfRentalIncomeRelatedToCommercialProperty" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesPercentageOfRentalIncomeRelatedToResidentialPropertyAndCondominiumUnits" id="nen_OperatingLeasesPercentageOfRentalIncomeRelatedToResidentialPropertyAndCondominiumUnits" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesRentalIncomeWithFutureRentalIncreases" id="nen_OperatingLeasesRentalIncomeWithFutureRentalIncreases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLeasesSquareFeetForExpiringLeases" id="nen_OperatingLeasesSquareFeetForExpiringLeases" type="num:areaItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OwnershipPercentageInJointVenture" id="nen_OwnershipPercentageInJointVenture" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PartnersCapitalAccountDepositoryReceiptsTreasury" id="nen_PartnersCapitalAccountDepositoryReceiptsTreasury" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountDepositoryReceiptsTreasuryAverageRepurchasePricePerDepositoryReceipt" id="nen_PartnersCapitalAccountDepositoryReceiptsTreasuryAverageRepurchasePricePerDepositoryReceipt" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountDepositoryReceiptsTreasuryReceiptsAuthorizedToBeRepurchased" id="nen_PartnersCapitalAccountDepositoryReceiptsTreasuryReceiptsAuthorizedToBeRepurchased" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PartnersCapitalAccountDistributionPerDepositoryReceipt" id="nen_PartnersCapitalAccountDistributionPerDepositoryReceipt" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PartnersCapitalAccountFixedDistributionPercentageOfHoldersOfUnits" id="nen_PartnersCapitalAccountFixedDistributionPercentageOfHoldersOfUnits" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountNumberOfClassesOfPartners" id="nen_PartnersCapitalAccountNumberOfClassesOfPartners" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountPeriodForRepurchaseOfDepositoryReceipts" id="nen_PartnersCapitalAccountPeriodForRepurchaseOfDepositoryReceipts" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element id="nen_PartnersCapitalAccountQuarterlyDistributionPerDepositoryReceipt" name="PartnersCapitalAccountQuarterlyDistributionPerDepositoryReceipt" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_PartnersCapitalAccountQuarterlyDistributionPerUnitOfLimitedPartnerInterest" name="PartnersCapitalAccountQuarterlyDistributionPerUnitOfLimitedPartnerInterest" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="PartnersCapitalAccountTreasuryUnitsIssued" id="nen_PartnersCapitalAccountTreasuryUnitsIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PartnersCapitalAccountUnitsTreasuryAverageRepurchasePricePerUnit" id="nen_PartnersCapitalAccountUnitsTreasuryAverageRepurchasePricePerUnit" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnershipOwnershipAxis" id="nen_PartnershipOwnershipAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnershipOwnershipDomain" id="nen_PartnershipOwnershipDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodForWhichArrearsOfRentChargedAgainstIncome" id="nen_PeriodForWhichArrearsOfRentChargedAgainstIncome" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodForWhichRentToBePaidInAdvanceByTenant" id="nen_PeriodForWhichRentToBePaidInAdvanceByTenant" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PrepaidRentReceivedIncludedInCashAndCashEquivalents" id="nen_PrepaidRentReceivedIncludedInCashAndCashEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="PresidentOfManagementCompanyMember" id="nen_PresidentOfManagementCompanyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PropertySubjectToOrAvailableForOperatingLeaseDisclosureTextBlock" id="nen_PropertySubjectToOrAvailableForOperatingLeaseDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstateInvestmentPropertyUsefulLife" id="nen_RealEstateInvestmentPropertyUsefulLife" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="nen_RealEstatePropertyPurchasePrice" name="RealEstatePropertyPurchasePrice" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="ReconciliationOfIncomeFromBookBasisToTaxBasisAbstract" id="nen_ReconciliationOfIncomeFromBookBasisToTaxBasisAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReconciliationOfIncomeFromBookBasisToTaxBasisProfitLossTaxBasis" id="nen_ReconciliationOfIncomeFromBookBasisToTaxBasisProfitLossTaxBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionBookkeepingAndAccountingServicesFee" id="nen_RelatedPartyTransactionBookkeepingAndAccountingServicesFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionManagementFee" id="nen_RelatedPartyTransactionManagementFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionManagementFeeAsPercentageOfLinewt" id="nen_RelatedPartyTransactionManagementFeeAsPercentageOfLinewt" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionManagementFeeAsPercentageOfPropertyRentalRevenueAndLaundryIncome" id="nen_RelatedPartyTransactionManagementFeeAsPercentageOfPropertyRentalRevenueAndLaundryIncome" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionNumberOfAccountingStaff" id="nen_RelatedPartyTransactionNumberOfAccountingStaff" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionReimbursementToRelatedPartyForEmployeePayroll" id="nen_RelatedPartyTransactionReimbursementToRelatedPartyForEmployeePayroll" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RentalPropertiesDisclosureAbstract" id="nen_RentalPropertiesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RentalPropertiesPolicyTextBlock" id="nen_RentalPropertiesPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ResidentialAndMixedUseRealEstateMember" id="nen_ResidentialAndMixedUseRealEstateMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ResidentialRetailAndOfficeBuildingMixedUseMember" id="nen_ResidentialRetailAndOfficeBuildingMixedUseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCommercialLeaseInformationTableTextBlock" id="nen_ScheduleOfCommercialLeaseInformationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFinancialInformationOfUnconsolidatedJointVenturesFinancialPositionTableTextBlock" id="nen_ScheduleOfFinancialInformationOfUnconsolidatedJointVenturesFinancialPositionTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFinancialInformationOfUnconsolidatedJointVenturesStatementOfIncomeTableTextBlock" id="nen_ScheduleOfFinancialInformationOfUnconsolidatedJointVenturesStatementOfIncomeTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFutureAnnualMortgageMaturitiesOfEquityMethodInvesteeTableTextBlock" id="nen_ScheduleOfFutureAnnualMortgageMaturitiesOfEquityMethodInvesteeTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFutureMinimumPaymentsReceivableFromOperatingLeasesTableTextBlock" id="nen_ScheduleOfFutureMinimumPaymentsReceivableFromOperatingLeasesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfIncomeLossAndDistributionPerDepositoryReceiptTableTextBlock" id="nen_ScheduleOfIncomeLossAndDistributionPerDepositoryReceiptTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SecurityDepositIncludedInRestrictedCash" id="nen_SecurityDepositIncludedInRestrictedCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="SignificantAccountingPoliciesLineItems" id="nen_SignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SignificantAccountingPoliciesTable" id="nen_SignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SmokeAlarmMember" id="nen_SmokeAlarmMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SwimmingPoolMember" id="nen_SwimmingPoolMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitsInRealEstatePropertyAbstract" id="nen_UnitsInRealEstatePropertyAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstatePropertyPurchasePriceAllocationLease" id="nen_RealEstatePropertyPurchasePriceAllocationLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="RealEstatePropertyPurchasePriceAllocationTenantRelationships" id="nen_RealEstatePropertyPurchasePriceAllocationTenantRelationships" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="RealEstatePropertyLeaseAmortizationTerm" id="nen_RealEstatePropertyLeaseAmortizationTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstatePropertyTenantRelationshipsAmortizationTerm" id="nen_RealEstatePropertyTenantRelationshipsAmortizationTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinancingCosts" id="nen_FinancingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="nen_PartnersCapitalAccountQuarterlyDistributionPerUnitOfLimitedPartnerInterestApproved" name="PartnersCapitalAccountQuarterlyDistributionPerUnitOfLimitedPartnerInterestApproved" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="EquityMethodInvestmentsAmountToDiscontinueApplyingEquityMethodForInvestment" id="nen_EquityMethodInvestmentsAmountToDiscontinueApplyingEquityMethodForInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DistributionAndLossInExcessOfInvestmentInUnconsolidatedJointVenture" id="nen_DistributionAndLossInExcessOfInvestmentInUnconsolidatedJointVenture" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="PartnersCapitalAccountShareInInvestmentsNet" id="nen_PartnersCapitalAccountShareInInvestmentsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CommercialRentalIncomeMember" id="nen_CommercialRentalIncomeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonCashFinancingActivityRelatedToAcquisition" id="nen_NonCashFinancingActivityRelatedToAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionBookkeepingAndAccountingServicesFeePerYear" id="nen_RelatedPartyTransactionBookkeepingAndAccountingServicesFeePerYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TreasuryMember" id="nen_TreasuryMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedAndGeneralMember" id="nen_LimitedAndGeneralMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Nen_FederalFundsRateMember" id="nen_Nen_FederalFundsRateMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Nen_DebtInstrumentBasisSpreadOnVariableRateUsedForCalculationOfBaseRate" id="nen_Nen_DebtInstrumentBasisSpreadOnVariableRateUsedForCalculationOfBaseRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Nen_PledgedInterestsRatePercentageOfPartnershipOwnershipInterest" id="nen_Nen_PledgedInterestsRatePercentageOfPartnershipOwnershipInterest" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Nen_FundsDrawnByEntity" id="nen_Nen_FundsDrawnByEntity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="Nen_DebtInstrumentLoanProceedsDistributedToPartnership" id="nen_Nen_DebtInstrumentLoanProceedsDistributedToPartnership" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationRentalProperties" id="nen_EquityMethodInvestmentSummarizedFinancialInformationRentalProperties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationCashAndCashEquivalentsAtCarryingValue" id="nen_EquityMethodInvestmentSummarizedFinancialInformationCashAndCashEquivalentsAtCarryingValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationAccountsReceivableNet" id="nen_EquityMethodInvestmentSummarizedFinancialInformationAccountsReceivableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationEscrowDeposit" id="nen_EquityMethodInvestmentSummarizedFinancialInformationEscrowDeposit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <element id="nen_EquityMethodInvestmentSummarizedFinancialinformationPrepaidExpenseAndOtherAssets" name="EquityMethodInvestmentSummarizedFinancialinformationPrepaidExpenseAndOtherAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationSecuredDebt" id="nen_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationAccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" id="nen_EquityMethodInvestmentSummarizedFinancialInformationAccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationCustomerAdvancesAndDeposits" id="nen_EquityMethodInvestmentSummarizedFinancialInformationCustomerAdvancesAndDeposits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue" id="nen_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherRealEstateRevenue" id="nen_EquityMethodInvestmentSummarizedFinancialInformationOtherRealEstateRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOperatingExpensesAbstract" id="nen_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpensesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationGeneralAndAdministrativeExpense" id="nen_EquityMethodInvestmentSummarizedFinancialInformationGeneralAndAdministrativeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionAndAmortization" id="nen_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationManagementFees" id="nen_EquityMethodInvestmentSummarizedFinancialInformationManagementFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherCostOfOperatingRevenue" id="nen_EquityMethodInvestmentSummarizedFinancialInformationOtherCostOfOperatingRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationLeaseAndRentalExpense" id="nen_EquityMethodInvestmentSummarizedFinancialInformationLeaseAndRentalExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationCostOfPropertyRepairsAndMaintenance" id="nen_EquityMethodInvestmentSummarizedFinancialInformationCostOfPropertyRepairsAndMaintenance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationRealEstateTaxesAndInsurance" id="nen_EquityMethodInvestmentSummarizedFinancialInformationRealEstateTaxesAndInsurance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" id="nen_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss" id="nen_EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationNonoperatingIncomeExpenseAbstract" id="nen_EquityMethodInvestmentSummarizedFinancialInformationNonoperatingIncomeExpenseAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationInterestExpense" id="nen_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationDiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" id="nen_EquityMethodInvestmentSummarizedFinancialInformationDiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationNonoperatingIncomeExpense" id="nen_EquityMethodInvestmentSummarizedFinancialInformationNonoperatingIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LineOfCreditFacilityUnusedCapacityCommitmentFee" id="nen_LineOfCreditFacilityUnusedCapacityCommitmentFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CostOfServicesArchitecturalServicesAndSupervisionOfProjects" id="nen_CostOfServicesArchitecturalServicesAndSupervisionOfProjects" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedLeverageRatio" id="nen_DebtInstrumentCovenantConsolidatedLeverageRatio" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AggregateIncreaseInIndebtednessOfSubsidiariesAndJointVentures" id="nen_AggregateIncreaseInIndebtednessOfSubsidiariesAndJointVentures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="TangibleNetWorth" id="nen_TangibleNetWorth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedInterestCoverageRatio" id="nen_DebtInstrumentCovenantConsolidatedInterestCoverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetOperatingIncomeToTotalIndebtednessRatio" id="nen_NetOperatingIncomeToTotalIndebtednessRatio" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InvestmentPropertiesMember" id="nen_InvestmentPropertiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherNonoperatingIncomeExpense" id="nen_EquityMethodInvestmentSummarizedFinancialInformationOtherNonoperatingIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths" id="nen_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo" id="nen_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree" id="nen_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour" id="nen_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive" id="nen_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFive" id="nen_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NumberOfUnitsInRealEstatePropertyRefinanced" id="nen_NumberOfUnitsInRealEstatePropertyRefinanced" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfBuildings" id="nen_NumberOfBuildings" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="HamiltonBayLlcAndHamiltonBayApartmentsLlcMember" id="nen_HamiltonBayLlcAndHamiltonBayApartmentsLlcMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="nen_DepositaryReceiptsExhangeRatioForClassUnits" name="DepositaryReceiptsExhangeRatioForClassUnits" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_EquityMethodInvestmentSummarizedFinancialInformationUnamortizedDeferredFinancingCosts" name="EquityMethodInvestmentSummarizedFinancialInformationUnamortizedDeferredFinancingCosts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtNetOfUnamortizedDeferredFinancingCosts" name="EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtNetOfUnamortizedDeferredFinancingCosts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_DeferredFinancingCosts" name="DeferredFinancingCosts" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_CurrentYearMember" name="CurrentYearMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_PriorYearMember" name="PriorYearMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_ClosingCosts" name="ClosingCosts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_PartnersCapitalAccountSpecialDistributionPerUnitOfLimitedPartnerInterest" name="PartnersCapitalAccountSpecialDistributionPerUnitOfLimitedPartnerInterest" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_PartnersCapitalAccountSpecialDistributionPerDepositoryReceipt" name="PartnersCapitalAccountSpecialDistributionPerDepositoryReceipt" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_LegalObligationToFundOperatingResults" name="LegalObligationToFundOperatingResults" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_WoodlandParkApartmentsMember" name="WoodlandParkApartmentsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_OperatingLeaseExpirationPeriodYearTwelveMember" name="OperatingLeaseExpirationPeriodYearTwelveMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_WebsterGreenApartmentsMember" name="WebsterGreenApartmentsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_NumberOfUnitsInRealEstatePropertyUnderPurchaseAndSaleAgreement" name="NumberOfUnitsInRealEstatePropertyUnderPurchaseAndSaleAgreement" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_JohnHancockLifeInsuranceCompanyMember" name="JohnHancockLifeInsuranceCompanyMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_WorcesterRaodMember" name="WorcesterRaodMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_MonthlyPaymentAmount" name="MonthlyPaymentAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="nen_DebtExtinguishmentCostsPercentOfTotal" name="DebtExtinguishmentCostsPercentOfTotal" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>
