Warner Bros. Studios, Leavesden is an 80-hectare studio complex in Leavesden in Hertfordshire, in southeast England. Warner Bros. Studios, Leavesden is one of only a few places in the United Kingdom where large scale film productions can be made. The studios contain approximately 50,000 m2 (538,196 sq ft) of flexible space which includes stage space, one of the largest filtered and heated stage-based water tanks in Europe, production office space, workshops and support buildings, along with an extensive 32-hectare (79-acre) backlot which offers a 180 degree uninterrupted horizon, favourable for exterior sets.
Following a £110m refurbishment by Warner Bros. the studios are now one of the largest and most state-of-the-art secure filmmaking facilities in the world. Since acquiring the site Warner Bros. has opened a public attraction called Warner Bros. Studio Tour London - The Making of Harry Potter, which receives over 100,000 visitors a day all whilst the site maintains a secure studio space within the same complex.
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