Here are some of the questions we get asked about Big Ben and the Elizabeth Tower:
Q. Can the public visit Big Ben?
A. Find out how to tour the Elizabeth Tower in Parliament's Visiting section.
Q. How many tours a day are there?
A. There are three tours each day from Monday to Friday.
Q. How many steps are there to the top of the Elizabeth Tower?
A. There are 334 steps to the belfry and a total of 399 to the lantern (the Ayrton Light).
Q. Is it called St Stephen's Tower, the Clock Tower or the Elizabeth Tower?
A. The name of the tower is no longer the Clock Tower and is now the Elizabeth Tower. It was called St Stephen's Tower by Victorian journalists. They referred to anything to do with the House of Commons as news from 'St Stephens', as originally MPs used to sit in St Stephen's Hall.
Q. Why is the Elizabeth Tower's bell called Big Ben?
A. The most likely explanation is it was named after Sir Benjamin Hall, First Commissioner for Works, whose name is inscribed on the bell. Another theory is it was named after Ben Caunt, a champion heavyweight boxer.
Q. What happens when the clocks go back or forward?
A. Learn all the steps involved by reading about the time change weekend.