Here are some of the fascinating facts and figures about the Elizabeth Tower
Dimensions: over 96 metres and 12 metres square
Steps to belfry: 334
Steps to lantern (the Ayrton Light): 393
Amount of stone used: 850 cubic metres
Amount of bricks used: 2600 cubic metres
Number of floors: 11
Locations of building materials:
Anston, Yorkshire
Caen, Normandy, France
Clipsham, Rutland (for restoration work in 1983-5)