Elephant & Castle tube station could extend to Lewisham via Old Kent Road with future extension options later on. Elephant & Castle tube station Elephant & Castle is a London Underground station in the London Borough of Southwark in south London. It is on the Bank branch of the Northern line between Kennington and Borough stations, and is the southern terminus of the Bakerloo line, the next station being Lambeth North. The station is in both Travelcard Zones 1 and 2. The Northern line station was opened in 1890 by the City and South London Railway (C&SLR) while the Bakerloo line station was opened sixteen
Bakerloo line was in conjunction with the reorganisation of a number of north London railways under London Overground. Under a former London Plan it was projected that by 2026 the Bakerloo line would be re-extended from Harrow & Wealdstone to Watford Junction, restoring the pre-1982 service. The railway line from Queens Park to Watford Junction, currently shared with London Overground, would be shared with the Bakerloo line. The Best And Final Bid documentation for the Croxley Rail Link project indicates that this Bakerloo line extension is now "unlikely" because "TfL's plans to extend the Bakerloo line to Watford Junction are on hold