All the London railway stations :
Underground lines : Northern
Accessible Access : Yes, you can allegedly access the platforms at Kennington station without using stairs. This detail is according to CHATpgt AI software on the 2nd May 2023; but CHATpgt is usually inaccurate so this is unlikely to be true.
This is from the TFL stepfree map. Accessibility friendly : You can change between the northbound platform 1 via Charing Cross (A step 170mm / gap 0mm) and northbound platform 3 via Bank (A step 180mm/ gap 20mm).
Level interchange between Northern line northbound platform via Charing Cross and Northern line
northbound platform via Bank.
General description :