In May 2014 whilst down at Elstree for the Pointless show (see account of the visit here) we took the opportunity to go on The Harry Potter tour at Leavesden studios near Watford. This is where the Harry Potter films were actually made, so they have the actual sets and props there. Very enjoyable.
The photos from the day are in automatic slideshow below. To view it manually click on the photo and use the controls which will appear.