Duration: The tour is 2-2.5 hours long with some breaks - the starting point will be at the Ritz Hotel. Valid: Mon, Wed, Fri and Sun, 10am. Upgrade: Want to bring a bestie with you? Upgrade and save when you bring a friend. Changing the guard: Get the best view in the house with this changing of the guard tour with See The Sights Tours. See The Sights Tours: Specialising in London tours, the team have a wealth of knowledge and experience to share with you. Tour: Learn all about the changing of the guard process for the expert tour guides, as well as learning about other key tourist attractions such as St James' Palace, Clarence House, Big Ben, Westminster Abbey and the Houses of Parliament! Changing Of The Guard Tkt | Regional | Living Social