Additionally , bus routes 23 , 27 and 36 provide a 24 - hour bus service .
London Bus routes 7 , 23 , 27 , 36 and 70 , and night route N7 serve the station .
Bus routes 23 , 27 and 36 provide a 24 - hour bus service .
London Bus routes 7 , 23 , 27 , 36 and 70 , and night route N7 serve the station .