The Urban Heat Island effect in London’s residential stock: energy consumption and risk of overheating

Lafuente, Juan J. and Brotas, Luisa (2013) The Urban Heat Island effect in London’s residential stock: energy consumption and risk of overheating. In: 3rd Masters Conference 2013: People and Buildings, 20 September 2013, London, UK.

Abstract

Considering the adaptive comfort approach, this article estimates if interior conditions in London’s naturally ventilated residential stock are comfortable under the Urban Heat Island (UHI) effect and predicts if climate change will lead to overheating. How the UHI affects energy consumption is also estimated. The most average household profiles in London have been modelled and simulated. Suitable weather files have been used to estimate energy consumption and interior comfort conditions. Future conditions have been estimated using climate change predictions based in UKCP09. Results show that the UHI is currently saving energy in London and interior conditions remain comfortable for the average households. Future climate change estimations show that occupants will adapt to changing conditions and that archetypes' resilience can avoid overheating until 2080 only relying in natural ventilation. Critical occupation patterns prone to overheating have also been simulated.

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