PureGym London Waterloo
Check official hoursWaterloo, SE1. The branch lists 24-hour opening. Core and Plus include access at any hour; Off-Peak has limited entry times.
Central London
Anytime Fitness Chelsea
Check official hoursChelsea, SW10. This club says it is open to members 24/7. Its office hours are separate from member access.
North London
Buzz Gym Harrow
Check official hoursHarrow, HA1. Buzz says this gym opens 24 hours a day, seven days a week, with PIN-controlled entry. It also sells an Off-Peak plan, so confirm your plan permits overnight entry.
Blaze Gym Highams Park
Check official hoursHighams Park, E4. Its 24x7 gym plans include unlimited access; the Off-Peak plan is restricted to set daytime hours.
East & South-East London
The Gym Group Canning Town
Check official hoursCanning Town, E16. The branch lists 24-hour opening. Standard and Ultimate have all-hours access; Off-Peak is restricted.
Snap Fitness Greenwich
Check official hoursGreenwich, SE10. The branch says it is open 24 hours to members and describes full gym access across its membership plans.
Before you go after hours
Gym hours, staffed hours and member access are different. A 24-hour building may have no staff overnight, and an Off-Peak or day pass may not let you in then. Confirm your plan, entry method and the branch's overnight safety guidance before your first late session.
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Checked 30 September 2026 against the official branch pages linked above. This is a non-exhaustive shortlist within Greater London, not a count of all qualifying gyms. Hours and membership terms can change.