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HBO's Harry Potter Series Moves Forward with £1 Billion Studio Expansion

Pre-production accelerates as Warner Bros. constructs a new Privet Drive set and a sprawling mini-town at Leavesden Studios for the 2026 debut.

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Older versions of the main cast stand on a train platform and look proud in the Harry Potter series.

Overview

  • Warner Bros. is investing £1 billion in a self-contained production hub at Leavesden Studios, including new roads, soundstages, and support facilities.
  • Construction is underway for a new Privet Drive set, featuring nine houses in a cul-de-sac, replacing the original movie set now part of a studio tour.
  • The series aims to deliver a more faithful adaptation of J.K. Rowling's books, with long-term plans for multiple seasons over the next decade.
  • HBO has confirmed key adult casting, including John Lithgow as Albus Dumbledore and Paapa Essiedu as Severus Snape, while child roles remain unannounced.
  • The production hub will also include facilities like a school for young actors, a medical center, and spaces for animals used in filming.