Balham is an interchange station formed of a range of underground entrances for the London Underground ('tube') and a shared entrance with its National Rail station component. The station is in central Balham in the London Borough of Wandsworth, south London, England. The tube can be accessed on each side of the Balham High Road (A24); National Rail on the south side of the road leading east, where the track is on a mixture of light-brick high viaduct and earth embankment, quadruple track and on a brief east–west axis. On the National Rail network it is from . It is in Travelcard Zone 3. The conjoined stations are owned and operated separately with different ticket machines and gatelines. National Rail station The National Rail station is on the Brighton Main Line, four stops from London Victoria. On a north–south route, the tracks pass through Balham on an approximate east–west axis, with Victoria towards the west. The station is managed by Southern. The platforms are on embankment between bridges over Balham High Road and Bedford Hill. Access to the platforms is via an underpass beneath them. There are four tracks and four platforms. The station is between and either , or . The 05:27 to Milton Keynes Central also starts here. History The West End of London and Crystal Palace Railway opened a station named Balham Hill on 1 December 1856, at which time the line ran between Crystal Palace and Wandsworth Common. From the outset the line was worked by the London, Brighton and South Coast Railway, which purchased the line in 1859 after it had been extended to Pimlico. The original station was on the west side of Balham High Road; it was re-sited by the LB&SCR in 1863 as part of works to widen the line, and improve the route between East Croydon and Victoria. Further remodelling of the line was undertaken in 1890 and 1897 to increase capacity. It was named Balham then renamed Balham and Upper Tooting on 9 March 1927, reverting to Balham on 6 October 1969. The lines through the station to Crystal Palace were electrified in 1911, by means of the LB&SCR 'Elevated Electric' overhead system. Work on electrifying the remaining services through the station had begun in 1913 but was interrupted by the First World War and not completed until 1925. By this time the LB&SCR had been absorbed into the Southern