Discover the magic behind Harry Potter at the Warner Bros. Studio Tour. See the costumes, sets and mind-blowing props that helped make the film one of the best loved stories of wizardry. The tour gives an insight into the technology used and the imagination required to bring the film to life. Afterwards, head to the Hunton Park hotel for a decadent afternoon tea! After visiting the amazing film set, head to the Mercure London Watford Hotel and relax after a busy day. Stay in a double or twin room, with complimentary WiFi and TV. Take advantage of the hotel's pool and fitness suite during the stay and enjoy a buffet breakfast before checking out