One Canada Square the recycling of waste heat to cool and warm the building. Aggregates used in the office build were from predominantly recycled sources, part of a strategy to integrate sustainable products and materials throughout the site, delivering both affordable and sustainable environmentally friendly features to the building. One Canada Square energy performance has improved by decreasing 30% from 2007 to 2016 by initiatives such as installing LEDs and upgrading HVAC and water services. The ground floor, foyer area and basement levels of One Canada Square are open to the general public, having an underground retail area and a transport interchange from
Canada House conferences, receptions, lectures and lunches. The Canada House Gallery stages exhibitions of historical and contemporary art and artefacts. Canada House Canada House () is a Greek Revival building on Trafalgar Square in London. It has been a Grade II* Listed Building since 1970. It has served as the offices of the High Commission of Canada in the United Kingdom since 1925. The building which would later become known as Canada House was built between 1824 and 1827 to designs by Sir Robert Smirke, the architect of the British Museum. It was originally two buildings used by the Union Club and