http://www.standard.co.uk/news/london/new-map-plots-happiest-areas-based-on-acts-or-kindness-or-aggression-on-londons-streets-10341466.html Here are the most and least happy postcodes, according to the study Happiest: SW6 ? Fulham, Parson's Green SE19 ? Upper Norwood, Crystal Palace, Norwood New Town SE21 ? Dulwich Village, West Dulwich SW13 ? Barnes, Castelnau SE22 ? East Dulwich ?Least Happy': SW17 ? Tooting E1 ? Aldgate, Whitechapel, Mile End SW8 ? Nine Elms, Vauxhall, South Lambeth WC1 ? Bloomsbury, Gray?s Inn SE17 ? Walworth, Elephant and Castle