This is a list of the 357 heavy rail passenger stations in and around London, England that are accessible using Transport for London tickets and passes. United Kingdom railway stations are grouped into one of a number of categories, ranging from A—national hub to F—small unstaffed station. Many of the principal central London stations are managed by Network Rail and together form a London station group. Most other stations are managed by the train operating company that provides the majority of services at the station. The London Underground is the manager of some stations that are served by heavy rail services.