Canary Wharf Tower (One Canada Square) Completion Date

The Canary Wharf Tower—originally the Citigroup Centre, now One Canada Square—was completed in 1991. At 235 m (770 ft), it was the UK's tallest building until The Shard surpassed it in 2012.

Key Facts

• Architect: César Pelli
• 50 stories, office tower
• Centerpiece of the Canary Wharf financial district redevelopment