Free guided tours of Parliament are available to constituents. The walking tour of the Palace of Westminster includes...

• Westminster Hall, the oldest part of the Parliamentary Estate
   
• The House of Commons, including the Speaker's Chair, the famous green benches and the lobbies where MPs vote
   
• The House of Lords including the Royal Throne
   
• The Queen's Robing Room, Royal Gallery and other fascinating parts of the Palace of Westminster
   

Tours are very popular and places are limited so generally have to be booked about six months in advance.