All the London railway stations :
Underground lines : District, Circle, National Rail South Eastern, National Rail Southern
AccessAble Access Guide :
Accessibility friendly : The Underground does not appear to be accessible to wheelchair users due to stairs between the platforms and street level.
The main line Victoria station is largely accessible, and ramps from train to platform are available on request - usually 24 hours notice is requested.
General description : See wiki
More comment : National Rail Map & Guide
Inclusive Britain Station Guide