Someone on this forum has devised a formula for taking into account postal votes which gives the following results for the 10 parliament constituencies:
Vauxhall 681 (2.3%)
Streatham 586 (2.0%)
Camberwell & Peckham 604 (1.8%)
Dulwich & W, Norwood 592 (1.8%)
Bermondsey & Old Southwark 475 (1.5%)
Mitcham & Morden 331 (1.2%)
Battersea 293 (0.9%)
Tooting 288 (0.8%)
Wimbledon 247 (0.8%)
Putney 184 (0.7%)