Warner Bros. Studio Tour London - The Making of Harry Potter in Leavesden has brought thousands and thousands of visitors to the region since it first opened back in 2012.

Potterheads worldwide make their way to Hertfordshire to explore the magical wonders of the Harry Potter franchise - and many have given top tips to help others make the most of their visits.

From seeing the costumes worn by Daniel Radcliffe, Emma Watson, Rupert Grint and many more, to seeing how the magical came to life with floating candles and colourful potions.

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On Tripadvisor alone, the Leavesden studio has a 5/5 rating from more than 46,900 reviews and on Google Reviews, a 4.8/5 rating from 87,680 reviews.

Reading through them all would take a lot of time, so we've picked out some of the best and advice-filled ones that will make you want to visit or revisit The Making of Harry Potter.

The best reviews for the Harry Potter Studio Tour

Taking to Tripadvisor, one visitor said: "Such an amazing visit, it’s quite surreal being surrounded by all of the work that made the films so spectacular.

"There is so much to do and see what went on behind the scenes."

They also gave some handy advice to make sure you pick up a passport: "The passports are cute and collecting the stamps was fun."

Another guest who came all the way from Canada said it's best to go in the morning: "We went in the morning and were glad we did. By afternoon place was packed with kids.

"Overall it was a truly amazing day."

Many agreed with the point raised by the helpful Canadian as one fan said on Google Reviews: "A valuable tip: go in the morning, so you can enjoy the whole studio.

"Don't worry too much about the time when you return, because the line will always be huge."

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Others praised the afternoon tea as one recommended having the tea before the tour so you don't get hungry and get in the magical feeling: "We had afternoon tea before our tour, which was extremely well thought through and super cute."

A further Harry Potter fan said to be prepared for a long day, sharing that the tour can take up to six hours: "Be prepared for a long day out, so booking an early slot well in advance is advised as to not make it too punishing for younger or older visitors.

"The interactive audio and video guides to hire are well worth the extra and really add to it."