An effective methodology to quantify cooling demand in the UK housing stock

Lloyd Corcoran, Pranaynil Saikia, Carlos E. Ugalde-Loo and Muditha Abeysekera

Applied Energy, 2025, vol. 380, issue C, No S0306261924023869

Abstract: According to the 2020 UN emissions report an increase by 3 °C of the average global temperature compared to pre-industrial levels is to be expected if no corrective measures are implemented. Alongside this, the UK Meteorological Office predicts that the UK will see a surge in both the recurrence and severity of heatwaves during summers—leading to an increased demand for space cooling. Although commercial infrastructures are likely to incorporate cooling provisions, residential properties are generally at a nascent stage to facilitate indoor cooling. Upgrading the cooling capabilities of residential dwellings would require a clear understanding of cooling demand. To this end, this paper presents a methodology to quantify cooling demand for typical UK dwellings. Following an in-depth literature review of the current UK housing stock to retrieve physical building data, a physics-based model was created using commercial building envelope modelling software. This considered building construction methods, ages, and layouts. To provide confidence in the approach, the model was verified with real data taken from a semi-detached dwelling in Loughborough, UK, and subsequently, thermal models for the most common type of dwellings were developed. Results highlight how cooling demand varies for differing dwelling types, orientations, locations, and constructions. For instance, for a typical design year, corner flats on the top floor of a 3-storey building in Cardiff, UK, with an orientation of 0° (north-facing) have the highest monthly cooling demand of 27.21 kWh and the bottom floor mid-flats have the lowest demand of 17.36 kWh. The presented methodology provides an initial framework to generate residential cooling demand data, which could be used to inform building developers, utilities, and local authorities on cooling demand peaks, overheating risks, and energy efficiency of typical UK dwellings in a warming world.

Keywords: Building envelope; Buildings; Climate change; Cooling demand; IES VE (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.apenergy.2024.125002

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