Barking and Dagenham, Bexley, Brent, Bromley, Camden, City of London, Croydon, Ealing, Enfield, Greenwich, Hackney, Hammersmith and Fulham, Harringey, Harrow, Havering, Hillingdon, Hounslow, Islington, Kensington and Chelsea, Lambeth, Lewisham, Merton, Newham, Redbridge, Richmond Upon Thames, Southwark, Sutton, Tower Hamlets, Waltham Forrest, Wandsworth and Westminister
Middlesex
Brentford, Eastcote, Edgware, Enfield, Feltham, Hanworth, Harefield, Harrow, Hayes, Hounslow, Islesworth, Northwood, Perivale, Ruislip, Ruislip Manor, Southall, Twickenham, Uxbridge, Wembley and West Drayton
Herfordshire
Ashwell, Baldock, Barnet, Berkhampstead, Bishops Stortford, Borehamwood, Bovingdon, Buntingford, Cheshunt, Chorleywood, Codicote, Cottered, Harpenden, Hatfield, Hemel Hempstead, Hertford, Hitchin, Hoddesdon, Kimpton, Knebworth, Letchworth, London Colney, Nasty, Pirton, Potters Bar, Redbourn, Rickmansworth, Royston, Sawbridgeworth, Shenley, St Albans, Stevenage, Tring, Ware, Watford, Watton-at-Stone and Welwyn Garden City