REGEN LONDON in Merton | Facilities, hours & reviews REGEN LONDON is a gym in Merton, offering gym and fitness facilities, strength and cardio training, membership enquiries. Address: 121 Streatham High Rd, London SW16 1HJOfficial website Things to do today Things to do tomorrow This weekend Free events Family events Kids activities in London Live music in London Live sports in London Cinemas in London Gyms in London All London events