I'm pretty familiar with Camberwell as a frequent patient at KCH. The main drag from Ruskin Park to the Green can be a bit lively. But I've generally been more concerned about the existential threat of the strange churches in the area rather than the desperate drug addicts, alcoholics and...
Saint Paul's Bristol was pretty f***ing scary in the early 90s
Hyde Park Corner in Leeds had the 2 of the most burgled streets in England in the early 90s
Seven Sisters Road in that London was pretty f***ing dodgy in the late 80s.
Only time I have been really scared was Polegate railway...