One Angel Square

United Kingdom

This 16-storey office block for the Co-Operative Group achieved BREEAM Outstanding and was at the time it was delivered the most sustainable office building in Europe. It employed Passive design techniques and the on-site Combined Heat and Power (CHP) plant, fuelled by pure plant-oil grown by the Co-operative Farms provides the majority of the heating and electrical requirement, with surplus energy back-fed to the National Grid.