Fraser Bond are the leading lettings and property management agents for One Canada Square - London E14. One Canada Square is a 50-storey commercial building in Canary Wharf, London E14. The building was the tallest in UK from 1991 to 2010 (244 metres). 2018 - Serviced offices to let through London Office Space. Some interesting facts about One Canada Square: - 90,000 square feet of Italian and Guatemalan marble have been used in the 36-foot lobby - there are 3,960 windows and 4,388 steps in 4 fire stairways - there are 32 passenger lifts Sources: 1. Canary Wharf Group www.canarywharf.com