All the London railway stations :
Underground lines : Circle, District, Piccadilly
AccessAble Access Guide :
Accessibility friendly : No entrance/exit. You can change between Circle line eastbound towards Liverpool Street (A step 177mm/gap 0mm), westbound towards High Street Kensington (A step 143mm/gap 33mm). District line eastbound towards Upminster (A step 147mm/gap 6mm), westbound towards Earl’s Court (A step 127mm/gap 70mm).
South Kensington is not accessible to wheelchair users due to
stairs or escalators between the platform and street level. it is also not
possible to interchange between the Piccadilly and the District / Circle
platforms for the same reason.
Level (same platform) interchange between Circle and District line trains running in the same direction.
General description :
More comment : Inclusive Britain Station Guide