The areas covered are in and around London and the home counties ie. Greater London, Middlesex, Uxbridge, Heathrow, Hillingdon, Northwood, Stanmore, Harrow, Wembley, Ealing, Richmond, Twickenham. Buckinghamshire, High Wycombe, Gerrards Cross, Beaconsfield, Burnham, Chalfont St Peter, Chalfont St Giles, Marlow, Aylesbury. Berkshire, Windsor, Ascot, Bracknell, Maidenhead, Wokingham, Reading. Hertfordshire, Rickmansworth, Watford, St Albans Hemel Hempstead. Oxfordshire, Henley upon Thames. Surrey, Staines, Egham, Camberley, Woking, Guildford, Bagshot. South East England. South West England, the West Country and beyond.