One Canada Square

One Canada Square is a skyscraper in Canary Wharf, London. It was the tallest building in the United Kingdom from 1990 to 2010, standing at 770 feet (235 m) above ground level[16] and containing 50 storeys. In late 2010, it was surpassed by The Shard (completed in July 2012) which stands at 309.6 metres (1,016 ft).

More information on the Wikipedia page.