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Lifecycle costing of low energy housing refurbishment: A case study of a 7 year retrofit in Chester Road, London

Neroutsou, TI; Croxford, B; (2016) Lifecycle costing of low energy housing refurbishment: A case study of a 7 year retrofit in Chester Road, London. Energy and Buildings , 128 pp. 178-189. 10.1016/j.enbuild.2016.06.040. Green open access

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Abstract

The low energy retrofit of the UK existing building stock is an urgent matter after the government’s commitment to reduce carbon emissions by 80% until 2050. This research addressed the question of whether it is preferable to refurbish in an extensive way or to choose a retrofit strategy with lower capital cost, embodied energy and CO2, tackling issues of cost-effectiveness, embodied and operational energy throughout the lifecycle of an existing Victorian house in London. The indicator Cost per Ton carbon Saved (CTS) was used, which resulted in higher values for the EnerPHit retrofit model, rendering it a less viable alternative. It was also concluded that retrofitting, in general and especially the application of EnerPHit, is an appealing option only with rising gas prices, low discount rates and long lifespans. Those results were even more amplified when climate change was taken into account, a conclusion very important for the application of future legislation and the possible transfer of this study to other climates. It was deduced that a house’s remaining lifetime is a very significant factor to be taken into account, as investments of higher capital cost give higher benefit in long term.

Type: Article
Title: Lifecycle costing of low energy housing refurbishment: A case study of a 7 year retrofit in Chester Road, London
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.enbuild.2016.06.040
Publisher version: http://doi.org/10.1016/j.enbuild.2016.06.040
Language: English
Additional information: Copyright © 2016 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Keywords: Science & Technology, Technology, Construction & Building Technology, Energy & Fuels, Engineering, Civil, Engineering, Sustainable refurbishment, Lifecycle analysis, Residential buildings
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/1521707
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