All the London railway stations :
National Rail : ThamesLink
Accessibility friendly : There is no step-free access to platforms from station entrance. Step-free cross-platform interchange between platform 2 (to Sutton/Wimbledon/East Croydon from Blackfriars) and platform 3 (to London Bridge). Step-free access to the Ticket Office. Boarding ramps are not available. Nearest step-free station is West Norwood.
General description : See wiki
More comment : National Rail Map & Guide.