The Building and Urban Sustainability research subgroup is focused on buildings, environments and their occupiers from a sustainability (economic, social and environmental) perspective. Research includes direct observation, modelling and simulation. Outputs are designed to offer advice and solutions to occupants, owners, designers and developers in order to achieve sustainable buildings and spaces that are both environmentally and financially sound. Researchers Timothy Lee (Subgroup lead) Monica Mateo-Garcia Hazel Nash David Higgins Oluwayemi Oladunjoye Arqam Rafi Areas of activity Energy efficiency and valuation Cost efficient retrofitting Energy efficiency vs the overheating risk and indoor air quality Renewable energy adoption and the local electricity network Social enterprise for renewable Repurposing existing buildings