Pollsters at YouGov asked 1,294 Londoners what they thought of its many neighbourhoods and this is what they said:
The words most associated with North London were "cosmopolitan" and "suburban".
West London is "posh" according to 35% of respondents.
South London is "rough" according to 30% of people and "dirty" according to 20%.
Bad news for East London - it can't shake off its grimy reputation and 40% of people who answered YouGov's survey said it was "rough" `and 37% said "poor".
YouGov says: "Of course, London is a city that is also constantly changing. There are already several major developments, like the CrossRail, new cycle lanes and a 24-hour Underground service, likely to transform the regional make-up of the city in the coming years. "