harry potter tour hopes cast spell uk muggles a giant spider hippogriff flying attractions leavesden studios year harry potter fans pay â£28 hours magicas good students harry potter saga know muggles usually allowed hogwarts school witchcraft wizardry new exhibition soon gifted magical powers chance famous potter film sets great hall dumbledores office harry potter tour opening spring 2012 leavesden studios near watford film series shot 2000 year course hours visitors view original sets costumes props effects used movies 2001s harry potter philosophers stone years harry potter deathly hallows include recreation giant spider aragog suspended ceiling opportunity pose photographs flying ford anglia cars used harry potter chamber secrets buckbeak hippogriff said making fans able visit universal studios the wizarding world harry potter theme park june year orlando florida new tour offers chance british muggles look inside jk rowlings world time getting remains working studio â€“ fact europes largest production centres film reopens warner bros studios leavesden year amazing resource country tens thousands incredibly talented film technicians film makers writers actors josh berger head warner brothers uk told studio announced decision buy facility sits site rolls royce factory leavesden aerodrome year make warner bros hollywood film studio permanent base uk companys â£100m investment create facility larger warners lot burbank new potter tour received enthusiastic backing hogwarts pupils magical place grow said daniel radcliffe played potter films people amazed incredible sets weve worked time life making films leavesden studios said emma watson played hermione wonderful going years new tour ordered advance sale 13 october price â£21 child â£28 adult â£83 family warner says 5000 visitors able visit facility given day