- Caddington, Bedfordshire@
- Caernarfon, Gwynedd@
- Caerphilly County@
- Caistor, Lincolnshire@
- Caithness and Sutherland, Highland@
- Calderdale, West Yorkshire@
- Caldicot, Monmouthshire@
- Callington, Cornwall@
- Calne, Wiltshire@
- Camberley, Surrey@
- Camborne, Cornwall@
- Cambridge, Cambridgeshire@
- Cambridgeshire@
- Camden, London@
- Camelford, Cornwall@
- Campbeltown, Argyll and Bute@
- Cannock Chase, Staffordshire@
- Canterbury, Kent@
- Canvey Island, Essex@
- Carbrooke, Norfolk@
- Cardiff County@
- Cardigan, Ceredigion@
- Carlisle, Cumbria@
- Carmarthen, Carmarthenshire@
- Carmarthenshire@
- Carnforth, Lancashire@
- Carrickfergus, Co. Antrim@
- Carron, Moray@
- Carryduff, Down@
- Castle Cary, Somerset@
- Castle Combe, Wiltshire@
- Castle Donington, Derbyshire@
- Castleford, West Yorkshire@
- Castleside, County Durham@
- Caterham, Surrey@
- Cemaes Bay, Isle of Anglesey@
- Ceredigion@
- Chalfont St. Peter, Buckinghamshire@
- Chandler's Ford, Hampshire@
- Chard, Somerset@
- Charnwood, Leicestershire@
- Chatham, Kent@
- Chatteris, Cambridgeshire@
- Cheadle, Cheshire@
- Chelmsford, Essex@
- Chelsea, London@
- Cheltenham, Gloucestershire@
- Chepstow, Monmouthshire@
- Chertsey, Surrey@
- Cherwell, Oxfordshire@
- Chesham, Buckinghamshire@
- Cheshire@
- Chester, Cheshire@
- Chester-Le-Street, County Durham@
- Chesterfield, Derbyshire@
- Chichester, West Sussex@
- Chigwell, Essex@
- Chilcote, Leicestershire@
- Chinnor, Oxfordshire@
- Chippenham, Wiltshire@
- Chipping Campden, Gloucestershire@
- Chipping Norton, Oxfordshire@
- Chipping Sodbury, Gloucestershire@
- Chirk, Wrexham@
- Chislehurst, Kent@
- Chobham, Surrey@
- Chorley, Lancashire@
- Christchurch, Cambridgeshire@
| - Christchurch, Dorset@
- Chudleigh, Devon@
- Church Stretton, Shropshire@
- Cinderford, Gloucestershire@
- Cirencester, Gloucestershire@
- City of London, London@
- Clackmannanshire@
- Clacton-on-Sea, Essex@
- Clapham, North Yorkshire@
- Clavering, Essex@
- Cleethorpes, Lincolnshire@
- Clevedon, Somerset@
- Cleveland@
- Coalville, Leicestershire@
- Cobham, Surrey@
- Cockermouth, Cumbria@
- Coggeshall, Essex@
- Colchester, Essex@
- Coleshill, Warwickshire@
- Colne Valley, Essex@
- Colwyn Bay, Conwy@
- Combe Martin, Devon@
- Congleton, Cheshire@
- Coniston, Cumbria@
- Consett, County Durham@
- Conwy County@
- Conwy, Conwy@
- Cookstown, Tyrone@
- Corby, Northamptonshire@
- Cornwall@
- Corsham, Wiltshire@
- Cotmanhay, Derbyshire@
- Cottenham Cambridgeshire@
- Cottingham, East Riding of Yorkshire@
- County Durham@
- Coupar Angus, Perth and Kinross@
- Coventry, West Midlands@
- Cowbridge, Vale of Glamorgan@
- Craigellachie, Moray@
- Cramlington, Northumberland@
- Cranfield, Bedfordshire@
- Cranleigh, Surrey@
- Craven, Yorkshire@
- Crawley, West Sussex@
- Crediton, Devon@
- Crewe, Cheshire@
- Crewkerne, Somerset@
- Criccieth, Gwynedd@
- Crickhowell, Powys@
- Crieff, Perth and Kinross@
- Crinan, Argyll and Bute@
- Croft on Tees, North Yorkshire@
- Croft, Leicestershire@
- Cromarty, Ross and Cromarty@
- Cromer, Norfolk@
- Crook, County Durham@
- Cropston, Leicestershire@
- Crosby, Merseyside@
- Crowborough, East Sussex@
- Crowland, Lincolnshire@
- Crowthorne, Berkshire@
- Croyde, Devon@
- Croydon, London@
- Cullen, Moray@
- Cullingworth, West Yorkshire@
- Cullompton, Devon@
- Cumbria@
- Cwmbran, Torfaen@
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