One Canada Square pinnacle is above sea level. One Canada Square is primarily used for offices, though there are some retail units on the lower ground floor. There is no observation floor. It is a prestigious location for offices and as of October 2017 was 100% let. The building is recognised as a London landmark, and it has gained much attention through film, television, and other media as one of the tallest buildings in the United Kingdom. The original plans for a business district on Canary Wharf came from G Ware Travelstead. He proposed three 260 m (850 ft) towers. Travelstead was unable
Citigroup Centre, London Citigroup Centre, London The Citigroup Centre is a building complex in London. It houses Citigroup's EMEA headquarters and is located in Canary Wharf in the city's Docklands. The centre provides of floor space across two merged buildings - 33 Canada Square (known as "CGC1") and 25 Canada Square (known as "CGC2"), and houses the bulk of Citi's UK employee base. Together, both buildings form the Citigroup Centre complex. 25 Canada Square, or Citigroup Centre 2, stands at and, alongside HSBC Tower (with which it was built in tandem), is the joint 4th-tallest building in the United Kingdom (behind The Shard,