This list of the tallest buildings and structures in London ranks skyscrapers and towers in London by their height. Since 2010, the tallest structure in London has been The Shard, which was topped out at , making it the tallest habitable building in Europe at the time. The second-tallest is One Canada Square in Canary Wharf, which rises and was completed in 1991. The third-tallest is the Heron Tower in the City of London financial district, which was topped out in 2010 and stands at a height of , including its spire.