M25 Fringe
C
- Caldecote, Hertsmere
- Calvert
- Camer
- Canes
- Cannon's Green
- Carneles Green
- Carpenders Park
- Chaddleworth
- Chafford Hundred
- Chandler's Cross, M25 Fringe (WD3)
- Chandler's Cross, M25 Fringe
- Chapel Croft
- Charcott
- Charlton, Spelthorne
- Charndon
- Chenies
- Cheshunt Park
- Chiddingfold
- Chiddingstone
- Chiddingstone Causeway
- Chiddingstone Hoath
- Chigwell Row
- Chipperfield
- Chipperfield Common
- Chipping Ongar
- Chorleywood
- Chorleywood Bottom
- Chorleywood West
- Christian Fields
- Church End, Three Rivers
- Church Langley
- Churchgate
- Clapgate, M25 Fringe
- Claydon's Green
- Claygate, M25 Fringe
- Clement Street
- Cobham, Gravesham
- Colliers Hatch
- Colnbrook
- Colney Street
- Colney, Broad
- Combe Common
- Commonleys
- Commonwood, Three Rivers
- Coopersale
- Coopersale Common
- Coopersale Street
- Craylands
- Creslow
- Crockenhill
- Crondon
- Crossways, M25 Fringe
- Crow Green
- Croxley Green
- Cuffley
- Cuffley Hills
- Culmer
- Culmer Hill
- Culverstone Green