Barnet Copthall Leisure Centre in Barnet | Facilities,... Barnet Copthall Leisure Centre is a leisure centre in Barnet, offering gym and fitness facilities, strength and cardio training, membership enquiries. Address: Champions Way, London NW4 1PXOfficial 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