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
8 Canada Square 8 Canada Square 8 Canada Square (also known as the HSBC Tower) is a skyscraper in Canary Wharf, London. The building serves as the global headquarters of the HSBC Group. Sir Norman Foster’s team of architects designed the tower, which was built between January 1999 and 2002 by Canary Wharf Contractors. Upon completion, it stood at 200 metres high, or 656 feet. The 42 above-ground floors housed around 8,000 HSBC staff members. Their first day of work in the new building was 2 September 2002, and the grand opening followed on 2 April 2003. With the movement of HSBC Group's