The fastest three-legged climb up the Canary Wharf tower was 14 min 34.69 sec set by
Heather Derbyshire and Karen Fingerhut (both UK) in London, UK, on 6 April 2008.

Started at B2 level green stair core and ended at M3 level green stair core.
1,188 steps
Staircase leads from sub-basement up to the roof.
Official name of building is One Canada Square.