B Barking Beckenham Brentford Bromley C Carshalton Chessington Chipstead Coulsdon Croydon D Dagenham Denham E Edgware Enfield F Feltham G Greenford H Harrow Hayes Hounslow I Ilford K Kenley Kingston upon Thames L London M Mitcham O Orpington R Rainham Richmond Romford Ruislip S Sidcup Southall Stanmore Sunbury-on-thames Sutton T Thornton Heath Twickenham U Upminster Uxbridge W Wallington Wembley West Wickham Woodford Green Worcester Park