PureGym Northolt in Harrow | Facilities, hours & reviews PureGym Northolt is a 24-hour gym in Harrow, offering gym and fitness facilities, strength and cardio training, membership enquiries. Address: 8 Rowdell Rd, Northolt UB5 6AGOfficial 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