Harrow Gymnastics in Harrow | Facilities, hours & reviews Harrow Gymnastics is a gym in Harrow, offering gym and fitness facilities, strength and cardio training, membership enquiries. Address: 186 Christchurch Ave, Harrow HA3 5BDOfficial 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