The United Kingdom’s tallest building is The Shard in London. It has long been the country’s tallest completed building, and sources describing the UK’s tallest buildings list it at the top.

Quick Scoop

  • Name: The Shard.
  • Location: London, Southwark.
  • Also known as: London Bridge Tower / Shard London Bridge.

TL;DR: If someone asks for the UK’s tallest building, the answer is The Shard.