‘Harry Potter’ TV Reboot Reveals Jaw-Dropping New Diagon Alley in Leaked Footage
HBO’s upcoming Harry Potter TV series has given fans their first real look at a brand-new Diagon Alley—thanks to a major set leak published by the UK newspaper The Sun. The footage, which has since spread online, shows a detailed walkthrough of the street’s impressive new design.
The video features a full view of Diagon Alley, the wizarding world’s famous shopping street hidden from Muggle eyes. Fans can spot a variety of magical shops lining the alley, and at the far end, Gringotts Bank appears in a leafy square.
Interestingly, the new version of the alley is narrower than in the original films, giving it a more realistic London-alley feel. A new addition, a café called Acciocoffee!, stands out with a neon sign, hinting at fresh elements not seen in the books or previous movies.
The Sun has released the first video from the set of Diagon Alley in the new Harry Potter series
— Daily Harry Potter (@TheDailyHPotter) March 9, 2026
We also have a better look at Gringotts and some of the new shops pic.twitter.com/OocSpf8IP6
The series has been kept highly secret, with filming mostly happening behind closed doors at Warner Bros.’ Leavesden Studios. Some scenes have briefly appeared on location in England, but codenames have been used to prevent leaks. How this particular video surfaced is still unknown.
The Harry Potter reboot is expected to premiere in early 2027 with eight episodes in its first season. Filming began last summer, and fans have already spotted new storylines that go beyond the original films and books. One of the most notable changes will show more of Draco Malfoy’s home life, with the story not being told solely from Harry’s perspective.
Other exciting details include John Lithgow playing Dumbledore meeting Nicolas Flamel, Richard Durden returning as Professor Binns for History of Magic lessons, and Johnny Flynn portraying Lucius Malfoy earlier in the timeline than the original story.
From this leaked look, it’s clear that the new Diagon Alley will be both familiar and fresh. The redesign mixes the magical charm fans love with realistic touches that make the setting feel lived-in.
This leak has made the anticipation for the series even bigger. Seeing a new take on Diagon Alley is thrilling, and it feels like HBO is aiming to honor the original world while adding its own spin. What do you think about this new version of Diagon Alley? Share your thoughts in the comments.