Megatalls.com
Supertalls & megaprojects · progress and the people behind them

One Canada Square

3rd tallest finished building in London

One Canada Square
Photo: mattbuck ( category ), CC BY-SA 2.0, via Wikimedia Commons

One Canada Square is an office building in London, with 50 floors, finished in 1991. It stands 236 m (774 ft) tall, which makes it the 3rd tallest finished building in London.

Height
236 m · 774 ft
Rank in London
3rd of 23 listed
Floors
50
Completed
1991
Use
Office
City
London, UK

Next to it in the ranking

See all of London's tallest buildings

Talk about London

Open the London city forum for news, photos and questions about the skyline.

Heights, floors and years for finished buildings follow published figures, cross-checked with Wikipedia's list of tallest buildings in London. Last checked 2 Nov 2026.