A behind the scenes look at the new Harry Potter tour

A new Harry Potter tour in Hertfordshire has been revealed by Hollywood studio Warner Brothers.

The attraction, at the Leavesden studios near Watford where the Harry Potter films were made, will open in spring 2012.

The three-hour tour will feature original sets, costumes, props and effects used in all eight movies. Among the exhibits are the Great Hall at Hogwarts School and headmaster Dumbledore's office.

Warner Brothers Studios at Leavesden, which will house the tour, is set to be one of the largest studio production facilities in Europe when it opens next year.

Josh Berger, the head of Warner Brothers UK, says it is an important studio for British film-making and will help to provide jobs for those involved in the industry.

"We have an amazing resource in this country which is tens of thousands of incredibly talented film technicians, film makers, writers and actors."

Stars of the latest Harry Potter film, have expressed their support for the project.

Daniel Radcliffe, who plays the title role, said that it was very special for all who had spent the last 10 years of their lives at Leavesden Studios to see it due to open to the public.

"It was such a magical place to grow up. People will be amazed to see the incredible sets that we've worked in all these years."

Emma Watson, who plays Hermione also gave her view on the tour

"I had the time of my life making these films at Leavesden studios and it's so wonderful that it's still going to be around for years to come," she said.

Tickets for the tour will go on sale from 13 October 2011.