West Leeds is where the UltraFlex story began, and it still sets the template: an enormous, intelligently zoned floor that reviewers only half-jokingly call a lifters' Disneyland. You get the full spread of plate-loaded and selectorised machines, a deep free-weights area and a cardio suite, plus on-site physio and a martial arts room most gyms can't match. Staff know their stuff, the place is immaculate, and parking is free. For range and upkeep it's one of the best big-box bodybuilding gyms in the North.
A vast, body-part-zoned machine floor backed by a full free-weights area, dedicated cardio suite, an on-site martial arts and boxing space and the Regen physio clinic.
The original UK UltraFlex, open since January 2017. It manages the rare trick of feeling like a serious lifters' gym while staying genuinely welcoming to first-timers, and it's spotless.
The flagship that started the chain, with physio and combat facilities under one roof.
Address: Cape Mills, Coal Hill Lane, Leeds LS28 5NA