Tickets go on sale Oct 13 for Warner Bros. Studio Tour - The Making of Harry Potter.

Warner Bros. has announced that the Studio Tour London - The Making Of Harry Potter will open to the public on March 31, 2012.
Visitors can purchase their tickets beginning October 13, 2011 at their website. Tickets can not be purchased at the attraction.

http://www.wbstudiotour.co.uk/