B Barkingside Barnet Bromley C Coulsdon Croydon E Enfield Erith G Greenford H Hampton Harold Wood Harrow Hayes High Barnet Hounslow I Ilford K Kenley Kingston upon Thames L London O Orpington P Pinner R Richmond Romford Ruislip S Sidcup Southall Surbiton Sutton T Twickenham U Upminster Uxbridge W Wembley West Wickham Woodford Green