Whole house energy system retrofit of six off-gas bungalows in South Wales

Ionas, Miltiadis, Morewood, Jack ORCID: https://orcid.org/0000-0002-7475-3588, Patterson, Joanne ORCID: https://orcid.org/0000-0002-4440-159X, Perisoglou, Emmanouil, Tallent, Esther, Li, Xiaojun, Bassas, Ester Coma and Hou, Shan Shan 2022. Whole house energy system retrofit of six off-gas bungalows in South Wales. Presented at: CABE Research Forum, Newport, 13 October 2022.

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Abstract

UK housing stock is carbon intensive and residents face growing energy bills, with the risk of fuel poverty high. To overcome this, the LCBE team worked with Swansea Council to design and implement an affordable and replicable installation of a whole house energy system as part of a deep energy retrofit strategy for six off-gas Bungalows in South Wales. This aims to reduce energy use, energy bills and carbon emissions. The challenge was not only to select the right individual technologies for the bungalows but to encourage all stakeholders to work together to ensure technologies work as a system. Compared to pre-retrofit calibrated modelling, the amount of energy imported from the grid each year was reduced from 16,117 kWh to just 2,476 kWh post-retrofit (85%). The bungalows are 52% self-sufficient and no longer rely on either oil and LPG for heating. Based on current market prices [7] and conversion factors [8], energy bills fall by 69% and net operational carbon reduces by 3,115.8 kgCO2 eqv annually (94%). Benefits are not limited to energy: indoor air quality improved and indoor air temperature increased in winter, achieving the desired set point.

Item Type:	Conference or Workshop Item (Paper)
Status:	Unpublished
Schools:	Architecture
Funders:	Welsh European Funding Office
Date of First Compliant Deposit:	13 October 2022
Last Modified:	05 Jan 2023 16:01
URI:	https://orca.cardiff.ac.uk/id/eprint/153374

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