The station is relatively modern by London Underground standards, opened as part of an extension to the Northern Line in 1926. This interchange serves the busy south London community of Balham and is just a stones throw from Clapham Common, one of the capital’s most famous parks, a great place to walk, run, have a picnic or just relax away from the bustle of city life. Balham is in Travelcard zone 3 between Tooting Bec and Clapham South stations.