Warner Bros. Studio Tour London
Warner Bros. Studio Tour London – The Making of Harry Potter is a permanent exhibit offering an authentic behind-the-scenes glimpse of the film sets, costumes, and props used to create the Harry Potter movies.
It is situated inside Warner Bros. Studios in Leavesden, near Watford. Since opening to the public in 2012, it has welcomed up to 6,000 visitors a day during peak times.