The Tour is located 20 miles from Central London at Warner Bros. Studios, Leavesden, where the Harry Potter movies were filmed. Tickets won't be available for sale at the attraction, they must be booked online through the official website.
There is a large giftshop and a cafe that sells Butterbeer.
Harry Potter film series cast and crew members Rupert Grint, Tom Felton, Bonnie Wright, Evanna Lynch, Warwick Davis, David Thewlis, Helen McCrory, George Harris, Nick Moran, Natalia Tena, David Bradley, Alfie Enoch, Harry Melling, David Heyman, David Barron, David Yates, Alfonso Cuaron and Mike Newell, attended Warner Bros. Studio Tour: The Making of Harry Potter grand opening event on 31 March, 2012.