About Mutations Festival
23–24 October 2026, Mutations Festival 2026 takes place in central Brighton, Sussex, England, as an alternative music festival.
2015 is listed as the year the festival was founded. The 2026 event is described as its eighth edition and runs as a multi-venue, single-wristband festival across central Brighton.
Tickets for 2026 are listed from £35.00, with day tickets, weekend tickets and reduced-price Under 25's tickets referenced by festival and ticketing sources.
Lineup and Programme
Fat Dog and Mike D 5D were the first announced headliners for 2026.
The programme covers alternative, indie, experimental, electronic and post-punk music. The format is built around watching multiple live sets across different venues during the day, with official afterparties included for valid ticket holders.
Named venues include Chalk main stage, Patterns, Revenge, Dust, The Prince Albert, Green Door Store, The Hope and Ruin, The Folklore Rooms and A L P H A B E T.
Who Is It For?
18+ each day, Mutations Festival is for adults who want a venue-hopping, discovery-focused alternative and indie weekend in central Brighton.
The event is not listed as a family festival. Reduced-price Under 25's tickets are listed among the ticket options.
The Venue and Site
9 grassroots venues in central Brighton make up the festival site.
The festival uses a single wristband system for access across venues and shows for the day or weekend. Wristband exchange is listed at Chalk's East Street entrance.
No on-site camping is provided. Facilities information includes official afterparties, day and weekend ticket access, a Blue Badge parking map and access-request contact information.









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