Warner Bros. Studios Leavesden have announced a major expansion of their facilities through the building of three new sound stages. The studio, which already boasts 250,000 sq. ft of filming space, will add a further 35,000 sq. ft stage and two 17,000 sq. ft stages, as well as additional production office space. The expansion is in addition to the 48,400 sq. ft sound stage, 50,000 sq. ft of workshop space and 62,500 sq. ft external tank that the studio built earlier this year.