Buzz Gym Cannon Street in City of London | Facilities,... Buzz Gym Cannon Street is a 24-hour gym in City of London, offering gym and fitness facilities, strength and cardio training, membership enquiries. Address: 1 Suffolk Ln, London EC4R 0ANOfficial 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