One Canada Square of London."" One Canada Square was originally designed to be high at 55 storeys, but that penetrated the permitted projection height of the flight obstruction area of the airport approach district to London City Airport, but this was extended to a height of above kerb level in consideration of the fact that One Canada Square was on the external zone of the airport approach. To comply with air traffic safety regulations, the architects took five floors off the tower. The final height of was permitted, otherwise, the developers would have had to dismantle what was necessary to fit the height
Canadian Pacific Building (London) 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 luxury apartments. When the project is completed in late