Canada Square Canada Square Canada Square is a public square at Canary Wharf, on the Isle of Dogs in London's Docklands. It is in the London Borough of Tower Hamlets in the East End of Central London along the River Thames. Canada Square is surrounded by three of the tallest buildings in the United Kingdom, including One Canada Square, which was the tallest building in the United Kingdom from 1990 until late 2010, when it was surpassed by The Shard. The complex is named for Canada by Olympia and York, the original developers of the site owned by the Paul Reichmann family
Citigroup Centre, London to the owners. The east facing side of 25 Canada Square up to level 40 is configured for use by tenants. 33 Canada Square, or Citigroup Centre 1, is the smaller of the two buildings in the complex, designed by Norman Foster and completed in 1999, two years before its neighbour. At tall, the building is made up of eighteen floors, all of which are adjoined to their equivalent floors in 25 Canada Square. The building is owned by Citigroup, and was built before the completion of the Jubilee line extension in late 1999. In addition to main entrances from