A limited number of tickets for the hugely anticipated Warner Bros. Making of Harry Potter Tour are set to go on sale tomorrow.

Potter fans will be given the opportunity to buy the tickets before they go on sale to the general public on October 13.

The limited number of passes will become available via an exclusive URL and passcode, which will be revealed on the official website – www.wbstudiotour.co.uk – and Facebook page – www.facebook.com/wbstudiotourlondon - at midday on Monday.

Fans who want to purchase these tickets should follow the link and enter the password to gain access to the tickets before they sell out.

Warner Bros. Studio Tour London – The Making of Harry Potter, based in Leavesden, will offer visitors a unique behind-the-scenes tour of the most successful film series of all time.

Tickets for the Warner Bros. Studio Tour London – The Making of Harry Potter, which opens March 31, 2012, are priced at £28 for adults and £21 for children, and must be booked in advance via www.wbstudiotour.co.uk.