All the London railway stations :
I visited Arnos Grove station in July 2019. There are steps to exit or enter the platforms, plus more to exit the station.
Arnos Grove station
Arnos Grove steps to exit platform
Arnos Grove has more steps to exit the station
Arnos Grove is not an accessible public transport station for wheelchair accessibility due to the steps to platforms.
Underground lines : Piccadilly
Accessibility friendly : Not accessible to wheelchair users. There are stairs between street and platform.