Blackfriars station is a London Underground and National Rail station complex situated in the Blackfriars district of the City of London, in London, England. The complex is in Travelcard Zone 1. The National Rail station has both through platforms and terminal platforms. The through platforms are served by Thameslink trains running north to south across London from Bedford and Luton in the north to Brighton in the south via London Bridge and the south west London suburbs around Sutton via Elephant & Castle. The terminal platforms are used by South Eastern Trains services to Orpington via Denmark Hill and occasional peak-only services via Herne Hill.