One Canada Square Canary Wharf stands at 235m (771ft) high and was the first skyscraper to be built in the London Docklands

One Canada Square, Known as Canary Wharf

One Canada Square

The One Canada Square tower stands at 235 metres (771 ft) in height with 50 stories, it took over from the previous tallest building in the UK Tower 42 in 1990. It held the UK tallest record for 20 years (1991-2011) until the Heron Tower overtook it by 7m.

Most people refer to One Canada Square as Canary Wharf when in fact Canary Wharf is the name given for the development and district. In the past the area was made up of cargo warehouses which served the docks and the Docklands area.

The tower is used solely for office space and is not open to the public. In the early days there was a viewing deck but this was stopped due to concerns following IRA bombings.

In total the tower has 3,960 windows and 4,388 steps which are divdied into four fire stairwells. If you are not keen on the steps to get to work you could use one of the 32 lifts, with a small number of lifts reserved for freight and emergency use.

Lift times from the ground to the 50th floor take just 40 seconds! The warning light on top of the tower flashes 40 times a minute, 57,600 times a day.

Approximately 9,000 people in One Canada Square.

The top of the building is capped by a 39.6 metre (130 feet) pyramid which weighs 11 tons.


For a number of years the tower was the only one in the immediate vercinity. Then in 2001 and 2002 the completion of the Smaller 'HSBC' and Citigroup towers joined the tower. Today there are many plans afoot for the Canary Wharf sites and nearby Docklands Areas with more buildings and towers planned alongside vast Quaysides.

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