England
47 areas, 705 towns listed.
BedfordshireBerkshireBristolBuckinghamshireCambridgeshireCheshireCornwallCumbriaDerbyshireDevonDorsetCounty DurhamEast Riding of YorkshireEast SussexEssexGloucestershireGreater LondonGreater ManchesterHampshireHerefordshireHertfordshireIsle of WightKentLancashireLeicestershireLincolnshireMerseysideNorfolkNorth YorkshireNorthamptonshireNorthumberlandNottinghamshireOxfordshireRutlandShropshireSomersetSouth YorkshireStaffordshireSuffolkSurreyTyne and WearWarwickshireWest MidlandsWest SussexWest YorkshireWiltshireWorcestershire
Wales
8 areas, 82 towns listed.
Scotland
14 areas, 135 towns listed. Scottish islands are covered by arrangement.
Aberdeenshire and MorayAngus and DundeeArgyll and ButeAyrshireDumfries and GallowayEdinburgh and the LothiansFifeStirling, Falkirk and ClackmannanshireGlasgow and DunbartonshireHighlands and IslandsLanarkshirePerth and KinrossRenfrewshire and InverclydeScottish Borders
Northern Ireland
6 areas, 46 towns listed. Work in Northern Ireland is by arrangement.