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
Canadian Pacific Building (London) 2012 the historic structure will be renamed "Trafalgar One". Canadian Pacific Building (London) The Canadian Pacific Building at 62–65 Trafalgar Square (formerly 62–65 Charing Cross) is an office building in Westminster in London, England. It was constructed as the London offices of the Canadian Pacific Railway Company and its affiliated steamship line (CP Ships), hotel chain (Canadian Pacific Hotels) and other subsidiary companies. It is faced with Portland stone and features prominent signage and a small clock tower. Until 2011 the building was occupied by commercial and law offices, but is now under re-development by BMB for conversion into five