Coming up from underground

[plumcherry]

Which London Underground station has the longest flight of stairs to street level?

[Ginbottle]

"Bank" underground station is the deepest. it has the most stairs.

[homer]

The answer given appears incorrect and it appears it should be Hmmn - unsure about Ginbottle's remarks... According to others, "Hampstead station is the deepest station on the network at 192 feet below ground level. The platforms here are reached by the deepest lifts on the system which descend 181 feet"