All the London railway stations :
East Acton is on the Central underground, and is NOT accessible to wheelchair users due to stairs between street level and platforms. See pictures and further accessible transport in London detail from links below.
Underground lines : Central
AccessAble Access Guide :
Accessibility friendly : East Acton is not accessible to wheelchair users due to 41 or 37 stairs between the platforms and street level.
General description :
More comment : Inclusive Britain Station Guide