Canary Wharf, London, UK

Canary Wharf, London, UK, originally uploaded by nardip.

Towering heights of London office views

One Canada Square, 8 Canada Square and 25 Canada Square are the 3 largest buildings in London today. They are respectively 235m, 200m and 200m in height. 25 Canada Square is occupied by Citigroup (middle building). One Canada Square is the tallest building in the entire UK (just behind it). 8 Canada Square is the world headquarters of HSBC and in April 2007 (to the right of citigroup), it became Britain's first building to be sold for more than £1 billion.