One Canada Square

1 Canada Square, Canary Wharf, Tower Hamlets
London ENG United Kingdom

Construction Dates
Floor Count50
Basement Floors3
Building Uses
 - office
 - observation
Structural Types
 - highrise
 - pyramid

 Heights ValueSource / Comments 
Roof771 ft
Top of pyramidal roof
Lower roof641 ft
Height to last setback
Ground level0 ft
Nash court entrance-13 ft
Switch heights to

Architect: Cesar Pelli & Associates Architects - pcparch.com

- Was the tallest building in the United Kingdom 1991 to 2012.

- The pyramid crown atop the building is 39.6m (130ft) in height, and weighs 11 tons.

- Approximately 9,000 people work in One Canada Square

- The tower is an occupied office building and is not open to the public.

- Lifts travel from the lobby to the 50th floor in just 40 seconds.

- A strike by building workers halted construction from March to June 1990.

- The building is designed to sway 13 and three quarter inches in the strongest winds that might occur once every 100 years.

- The tower has 3,960 windows and 4,388 steps, divided into four fire stairways.

- The average floor size is 28,000 square feet.

- On most floors, there are 13 feet 6 inches floor heights, permitting a minimum 9 feet height from raised floor to dropped ceiling, four floors have an additional 6 inches for extra raised floor height for computer and heavy mechanical use, four floors have an additional 1 foot allowance for use as a trading floor and the top floor has an additional 2 feet.

- 90,000 square feet of Italian and Guatemalan marble have been used in the 36-foot lobby, 27,500 metric tonnes of British Steel and 500,000 bolts were used in the construction of the tower, and the exterior walls are clad by some 370,000 square feet of Patten Hyclad Cambric finish stainless steel.

- The aircraft warning light at the very top of the tower flashes 40 times a minute, 57,600 times a day.

- Over 80,000 deliveries are made to the loading bay of the tower every year.

Building Tenants:

- Agence Française de Securité Sanitare des Produits de Santé
- Alvarez & Marsal
- Bear Stearns International
- Burlington Resources
- Canary Wharf Group plc
- Clearstream Banking
- Clydesdale Bank
- Coutts & Co
- Curvalue International Ltd
- E Trade
- Euler Hermes UK plc
- European Federation of Pharmaceutical Industries' Associations
- Global Sage
- Goldenberg Hehmeyer
- Hartford Life
- International Grains Council
- International Sugar Corporation
- Kilpatrick Stockton
- London 2012
- Maersk Company
- Medecins du Monde
- Novartis Europharm
- Primus Telecommunications
- Regus
- State Street
- Swiss Stock Exchange
- Teach First
- Telegraph Group Ltd
- The Bank of New York
- Trinity Mirror
- Virt-X Exchange Limited

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