A case study of modelling informing whole house energy systems-based retrofit in the UK

Hou, Shan ORCID: https://orcid.org/0000-0002-8794-1510, Patterson, Joanne ORCID: https://orcid.org/0000-0002-4440-159X, Perisoglou, Emmanouil ORCID: https://orcid.org/0000-0002-7295-6058, Ionas, Miltiadis and Tallent, Esther 2024. A case study of modelling informing whole house energy systems-based retrofit in the UK. Presented at: Zero Carbon Built Environment Conference, Nottingham, UK, 03-05 July 2024.

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Abstract

Low-carbon housing can help to mitigate climate change, increase low-carbon energy sources and reduce fossil fuel usage, whilst also reducing fuel poverty and improving the quality and condition of the built environment. Researchers at the Centre for a Low Carbon Built Environment (CLCBE) within the Welsh School of Architecture (WSA) at Cardiff University have been working with local authorities and social landlords to deliver a whole systems-based approach to domestic properties since 2008 reducing energy demand, combined with integrating renewable energy supply and storage systems. Building energy modelling has been an essential tool at the planning stage, when taking a whole energy systems approach, to enable comparisons of different packages demand, supply and storage combinations for a property. The effectiveness of different retrofit solutions can be compared to help the decision-making process, for example, the impact of different insulation materials and thicknesses on energy consumption, carbon emissions and thermal performance. Modelling results were crucial when engaging with a range of stakeholders to co-develop retrofit strategies. This paper introduces the modelling framework used in the CLCBE whole house system-based retrofit approach. A demonstration house project completed in 2022 is presented as a case study to illustrate how modelling was used to support decision-making. Finally, the paper discusses the challenges and good practice required to ensure the quality of modelling is appropriate to assist in whole house energy systems-based home retrofitting.

Item Type:	Conference or Workshop Item (Paper)
Status:	Unpublished
Schools:	Architecture
Subjects:	T Technology > TD Environmental technology. Sanitary engineering T Technology > TH Building construction
Date of Acceptance:	1 May 2024
Last Modified:	15 Oct 2024 15:00
URI:	https://orca.cardiff.ac.uk/id/eprint/172624

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