<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:np3fastigheterab="http://np3fastigheterab.com/xbrl/2022" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" targetNamespace="http://np3fastigheterab.com/xbrl/2022" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
  <xs:import schemaLocation="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor.xsd" namespace="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor" />
  <xs:import schemaLocation="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd" namespace="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" />
  <xs:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="np3fastigheterab-2023-12-31_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="np3fastigheterab-2023-12-31_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="np3fastigheterab-2023-12-31_lab-sv.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="np3fastigheterab-2023-12-31_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor-lab-sv.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor-gen-sv.xml" xlink:type="simple" />
      <link:roleType id="RapportOEverTotalresultat" roleURI="http://np3fastigheterab.com/xbrl/2022/roles/RapportOEverTotalresultat">
        <link:definition>01 - Rapport över totalresultat</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RapportOEverFinansiellStaellning" roleURI="http://np3fastigheterab.com/xbrl/2022/roles/RapportOEverFinansiellStaellning">
        <link:definition>02 - Rapport över finansiell ställning</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RapportOEverFoeraendringarIEgetKapital" roleURI="http://np3fastigheterab.com/xbrl/2022/roles/RapportOEverFoeraendringarIEgetKapital">
        <link:definition>03 - Rapport över förändringar i eget kapital</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RapportOEverKassafloeden" roleURI="http://np3fastigheterab.com/xbrl/2022/roles/RapportOEverKassafloeden">
        <link:definition>04 - Rapport över kassaflöden</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NotesAndMandatoryItems" roleURI="http://np3fastigheterab.com/xbrl/2022/roles/NotesAndMandatoryItems">
        <link:definition>05 - Notes and Mandatory Items</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Anchoring" roleURI="http://np3fastigheterab.com/xbrl/2022/roles/Anchoring">
        <link:definition>99 - Groups all anchored elements</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
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  <xs:element id="np3fastigheterab_VaravVardeforandringarFastigheter" xbrli:balance="credit" xbrli:periodType="duration" name="VaravVardeforandringarFastigheter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="np3fastigheterab_VaravVardeforandringarFinansiellaInstrument" xbrli:balance="credit" xbrli:periodType="duration" name="VaravVardeforandringarFinansiellaInstrument" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="np3fastigheterab_VaravSkatt" xbrli:balance="debit" xbrli:periodType="duration" name="VaravSkatt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="np3fastigheterab_ResultatEfterFinansiellaKostnader" xbrli:balance="credit" xbrli:periodType="duration" name="ResultatEfterFinansiellaKostnader" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="np3fastigheterab_Forvaltningsresultat" xbrli:balance="credit" xbrli:periodType="duration" name="Forvaltningsresultat" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="np3fastigheterab_VardeforandringarFastigheter" xbrli:balance="credit" xbrli:periodType="duration" name="VardeforandringarFastigheter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="np3fastigheterab_VaegtGenomsnittligtAntalStamaktierTusental" xbrli:periodType="duration" name="VaegtGenomsnittligtAntalStamaktierTusental" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" />
  <xs:element id="np3fastigheterab_ForvaltningsresultatFranIntresseforetagOchJointVenture" xbrli:balance="debit" xbrli:periodType="duration" name="ForvaltningsresultatFranIntresseforetagOchJointVenture" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="np3fastigheterab_InvesteringarIBefintligaFastigheterOchOvrigaAnlaggningstillgangar" xbrli:balance="credit" xbrli:periodType="duration" name="InvesteringarIBefintligaFastigheterOchOvrigaAnlaggningstillgangar" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="np3fastigheterab_InvesteringarINybyggnation" xbrli:balance="credit" xbrli:periodType="duration" name="InvesteringarINybyggnation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
</xs:schema>