All the London railway stations :
Underground lines : District
AccessAble Access Guide : None
Accessibility friendly : Hornchurch is not accessible to wheelchair users due to 26 stairs between the platforms and street level. It is also not possible to cross platforms unless you first climb these stairs. There are zero lifts available.
General description : The station is served by a considerable number of stairs.
More comment : Suggested use of the 193 bus to Romford mainline station. Or travel to Upminster where the lifts may be working, check this out first.
Inclusive Britain Station Guide