Search london history from Roman times to modern day
A bit out of date, but this interactive map of step free London is very good
All the London railway stations :
Underground lines : Circle, District
AccessAble Access Guide :
Accessibility friendly : St James's Park is not accessible to
wheelchair users due to stairs between the platform and street level.
There are a number of entrances, but all involve between 30 and 33 steps from street level to platforms.