All the London railway stations :
National Rail : ThamesLink
Accessibility friendly : Partial. Step-free access to Ticket Office from main entrance. Step-free access via rear entrance to platform 1 (to London Bridge/Croydon/Sutton). No step-free access to platform 2 (to Victoria) and platform 3 (used during engineering work only). Platform 4 is not used. Nearest step-free station is London Victoria. Therefore virtually inaccessible.
General description : See wiki
More comment : National Rail Map & Guide.