25 North Colonnade is a commercial building in Canary Wharf, London formerly occupied by the Financial Conduct Authority, after having been solely occupied by its predecessor, the Financial Services Authority (FSA) until early 2013. It is tall, with 15 floors. Built in 1991, its developer was the Canary Wharf Group, and its architect was Troughton McAslan. See also Canary Wharf Tall buildings in London External links Google Maps location John McAslan + Partners architects Emporis.com Skyscrapers in the London Borough of Tower Hamlets Buildings and structures in the London Borough of Tower Hamlets Canary Wharf buildings Skyscraper office buildings in London Office buildings completed in 1991