Application of absolute sustainability assessment to new zealand residential dwellings

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dc.citation.issue2
dc.citation.volume588
dc.contributor.authorMcLaren SJ
dc.contributor.authorChandrakumar C
dc.contributor.authorDowdell D
dc.contributor.authorBullen L
dc.contributor.authorJaques R
dc.coverage.spatialGothenburg, Sweden
dc.date.accessioned2025-07-02T02:13:06Z
dc.date.available2025-07-02T02:13:06Z
dc.date.finish-date2020-11-04
dc.date.issued2020-11-20
dc.date.start-date2020-11-02
dc.description.abstractOne approach to supporting the implementation of sustainable activities by industry sectors is the use of climate targets. Such climate targets have potential to be used in design and rating tools for buildings and to support government regulation for the building and construction sector. In this study, the climate targets for New Zealand residential dwellings were calculated based on assigning the global carbon budget (for limiting temperature increase to 1.5 or 2.0 °C during 2018-2050) to three building typologies: detached, medium-density housing and apartments. These budgets were assigned to the pre-existing and new-built dwellings using building stock projections for the nominated period. Separately, the climate impact of new-built dwellings in each of the three residential typologies were assessed using Life Cycle Assessment methodology. For New Zealand residential buildings, new-built dwellings exceed their 1.5 °C climate targets by a factor of 6.7, 6.8 and 10.9 for detached, medium-density housing, and apartments respectively. For the 2.0 °C climate target, these factors are 4.8, 4.8 and 7.7 for detached, medium-density housing, and apartments respectively. The results show that about two-thirds of the climate impact of residential dwellings for the period 2018-2050 is associated with preexisting dwellings rather than new-builds. The operational energy used for space heating, water heating, lighting and plug loads makes the biggest contribution to the climate impact for all typologies of pre-built residential dwellings. For new-built residential dwellings, both the operational energy and the construction materials/products contribute most of the climate impact.
dc.description.confidentialfalse
dc.identifier.citationMcLaren SJ, Chandrakumar C, Dowdell D, Bullen L, Jaques R. (2020). Application of absolute sustainability assessment to new zealand residential dwellings. Iop Conference Series Earth and Environmental Science. IOP Publishing Ltd.
dc.identifier.doi10.1088/1755-1315/588/2/022064
dc.identifier.eissn1755-1315
dc.identifier.elements-typec-conference-paper-in-proceedings
dc.identifier.issn1755-1307
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/73142
dc.publisherIOP Publishing Ltd
dc.publisher.urihttp://iopscience.iop.org/article/10.1088/1755-1315/588/2/022064
dc.rights(c) The author/sen
dc.rights.licenseCC BY 3.0en
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/deed.enen
dc.source.journalIop Conference Series Earth and Environmental Science
dc.source.name-of-conferenceBEYOND 2020 – World Sustainable Built Environment conference
dc.titleApplication of absolute sustainability assessment to new zealand residential dwellings
dc.typeconference
pubs.elements-id436580
pubs.organisational-groupOther
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