| House Prices in Comet Road, Hatfield AL10 | £342,850 | 40 | 7 |
| House Prices in Comet Way, Hatfield AL10 | £57,000 | 1 | 2 |
| House Prices in Coney Close, Hatfield AL10 | £340,929 | 16 | - |
| House Prices in Coneydale, Welwyn Garden City AL8 | £993,889 | 27 | - |
| House Prices in Coningsby Close, Welham Green, Hatfield AL9 | £529,833 | 15 | - |
| House Prices in Cooks Way, Hatfield AL10 | £359,333 | 37 | - |
| House Prices in Coombe Close, Hatfield AL10 | £444,500 | 4 | - |
| House Prices in Coopers Green Lane, Hatfield AL10 | £397,800 | 8 | 34 |
| House Prices in Coopers Lane, Northaw, Potters Bar EN6 | £1,434,760 | 42 | 6 |
| House Prices in Coopers Lane, Potters Bar EN6 | £1,475,600 | 42 | 6 |
| House Prices in Coopers Lane Road, Northaw, Potters Bar EN6 | £1,478,333 | 6 | 1 |
| House Prices in Coopers Lane Road, Potters Bar EN6 | £1,540,333 | 6 | 1 |
| House Prices in Copper Beeches, Welwyn AL6 | £747,909 | 11 | - |
| House Prices in Copperfields, Welwyn Garden City AL7 | £487,200 | 7 | - |
| House Prices in Coppice Close, Hatfield AL10 | £348,750 | 19 | - |
| House Prices in Copse Hill, Welwyn AL6 | £941,667 | 12 | 1 |
| House Prices in Corals Mead, Welwyn Garden City AL7 | - | 26 | - |
| House Prices in Corncroft, Hatfield AL10 | £277,250 | 9 | - |
| House Prices in Cornerfield, Hatfield AL10 | £323,429 | 19 | 12 |
| House Prices in Corners, Welwyn Garden City AL7 | £244,793 | 22 | 33 |
| House Prices in Corner View, Welham Green, Hatfield AL9 | £421,333 | 3 | 1 |
| House Prices in Cornflower Way, Hatfield AL10 | £448,980 | 39 | 18 |
| House Prices in Cornmead, Welwyn Garden City AL8 | £463,333 | 12 | - |
| House Prices in Cotswolds, Hatfield AL10 | £414,500 | 24 | - |
| House Prices in Cotters Croft, Welwyn Garden City AL7 | £515,600 | 5 | - |
| House Prices in Cotton Field, Hatfield AL10 | £275,900 | 54 | - |
| House Prices in Coulter Close, Cuffley, Potters Bar EN6 | £985,688 | 21 | - |
| House Prices in Cowper Road, Welwyn Garden City AL7 | £424,133 | 46 | 2 |
| House Prices in Cowpers Way, Tewin, Welwyn AL6 | £1,612,750 | 14 | 1 |
| House Prices in Cowslips, Welwyn Garden City AL7 | £226,267 | 10 | 6 |
| House Prices in Cranborne Gardens, Welwyn Garden City AL7 | £361,222 | 39 | - |
| House Prices in Cranborne Road, Hatfield AL10 | £771,188 | 18 | 2 |
| House Prices in Cranfield Crescent, Cuffley, Potters Bar EN6 | £690,185 | 72 | - |
| House Prices in Crawford Road, Hatfield AL10 | £401,151 | 185 | 14 |
| House Prices in Crescent Gardens, St Albans AL4 | £579,333 | 8 | - |
| House Prices in Creswick Court, Welwyn Garden City AL7 | £374,333 | 21 | 4 |
| House Prices in Croft Field, Hatfield AL10 | £346,375 | 16 | - |
| House Prices in Cromer Hyde Lane, Lemsford, Welwyn Garden City AL8 | £1,111,875 | 9 | - |
| House Prices in Crookhams, Welwyn Garden City AL7 | £465,222 | 48 | - |
| House Prices in Crop Common, Hatfield AL10 | £296,176 | 52 | 2 |
| House Prices in Crossbrook, Hatfield AL10 | £277,150 | 24 | 15 |
| House Prices in Crossway, Welwyn Garden City AL8 | £688,226 | 52 | 1 |
| House Prices in Cubitts Close, Welwyn AL6 | £678,765 | 32 | 1 |
| House Prices in Cucumber Lane, Essendon, Hatfield AL9 | £2,302,143 | 13 | 3 |
| House Prices in Cuffley, Potters Bar EN6 | - | - | 40 |
| House Prices in Culpit House, Town Centre, Hatfield AL10 | £212,400 | - | 5 |
| House Prices in Cunningham Avenue, Hatfield AL10 | £413,198 | 82 | 53 |
| House Prices in Cutmore Drive, Colney Heath, St Albans AL4 | £385,111 | 29 | 14 |
| House Prices in Cylers Thicket, Welwyn AL6 | £933,500 | 7 | - |
| House Prices in Cypress Avenue, Welwyn Garden City AL7 | £683,841 | 45 | 8 |
| House Prices in Daffodil Close, Hatfield AL10 | £681,921 | 38 | - |
| House Prices in Dairy Lodge, Hatfield AL9 | - | 1 | 1 |
| House Prices in Daisy Drive, Hatfield AL10 | £456,130 | 51 | 22 |
| House Prices in Dakota House, Bessemer Road, Welwyn Garden City AL7 | £232,450 | - | 60 |
| House Prices in Dalewood, Welwyn Garden City AL7 | £329,257 | 61 | 12 |
| House Prices in Danesbury Cottages, Welwyn AL6 | £1,065,000 | 2 | - |
| House Prices in Danesbury Lane, Welwyn AL6 | £1,837,667 | 9 | 2 |
| House Prices in Danesbury Park, Potters Heath, Welwyn AL6 | £757,619 | 35 | 64 |
| House Prices in Danesbury Park Road, Potters Heath, Welwyn AL6 | £1,477,857 | 21 | - |
| House Prices in Danesbury Park Road, Welwyn AL6 | £1,449,095 | 21 | - |
| House Prices in Danesbury Park, Welwyn AL6 | £824,190 | 35 | 64 |
| House Prices in Daniells, Welwyn Garden City AL7 | £405,374 | 184 | 1 |
| House Prices in Darby Drive, Welwyn AL6 | £1,094,500 | 4 | 2 |
| House Prices in Dawley, Welwyn Garden City AL7 | £345,273 | 87 | 12 |
| House Prices in Daye Mead, Welwyn Garden City AL7 | £412,571 | 18 | - |
| House Prices in Days Close, Hatfield AL10 | £341,286 | 19 | - |
| House Prices in Days Mead, Hatfield AL10 | £330,895 | 22 | 9 |
| House Prices in Deerswood Avenue, Hatfield AL10 | £318,175 | 90 | 39 |
| House Prices in De Havilland Close, Hatfield AL10 | £334,548 | 61 | 15 |
| House Prices in Dellcott Close, Welwyn Garden City AL8 | £825,423 | 28 | 2 |
| House Prices in Dellfield Road, Hatfield AL10 | £364,231 | 42 | 6 |
| House Prices in Dellsome Lane, Welham Green, Hatfield AL9 | £397,633 | 76 | 70 |
| House Prices in Denmark House, Parkway, Welwyn Garden City AL8 | £293,312 | - | 19 |
| House Prices in Densley Close, Welwyn Garden City AL8 | £1,186,500 | 9 | - |
| House Prices in Derry Leys, Hatfield AL10 | £534,500 | 4 | - |
| House Prices in Desborough Close, Welwyn Garden City AL7 | - | 12 | - |
| House Prices in Desborough Drive, Tewin, Welwyn AL6 | £1,526,214 | 19 | 2 |
| House Prices in De Soissons Close, Welwyn Garden City AL8 | £370,350 | 6 | 14 |
| House Prices in Devon Mead, Hatfield AL10 | £568,000 | 5 | - |
| House Prices in Dewars Close, Welwyn AL6 | £871,400 | 6 | - |
| House Prices in Dickens Court, Stonecross Road, Hatfield AL10 | £240,333 | - | 9 |
| House Prices in Dicket Mead, Welwyn AL6 | £567,176 | 18 | - |
| House Prices in Digswell Court, Digswell Rise, Welwyn Garden City AL8 | £286,667 | - | 10 |
| House Prices in Digswell Hill, Welwyn AL6 | £866,500 | 6 | 4 |
| House Prices in Digswell House Mews, Welwyn Garden City AL8 | £480,571 | 7 | - |
| House Prices in Digswell House, Welwyn Garden City AL8 | £932,636 | 12 | 4 |
| House Prices in Digswell Lane, Welwyn AL6 | £1,381,214 | 19 | 1 |
| House Prices in Digswell Lodge, Digswell Rise, Welwyn Garden City AL8 | £739,727 | 14 | - |
| House Prices in Digswell Park Cottages, Welwyn Garden City AL8 | £610,000 | 2 | - |
| House Prices in Digswell Park Lodge, Digswell Park Road, Welwyn AL6 | £1,084,000 | 1 | 1 |
| House Prices in Digswell Park Road, Welwyn AL6 | £1,084,000 | 1 | 1 |
| House Prices in Digswell Park Road, Welwyn Garden City AL8 | £858,118 | 52 | 1 |
| House Prices in Digswell Place, Welwyn Garden City AL8 | £721,800 | 17 | 2 |
| House Prices in Digswell Rise, Welwyn Garden City AL8 | £628,606 | 34 | 10 |
| House Prices in Digswell Road, Welwyn Garden City AL8 | £899,667 | 30 | - |
| House Prices in Dixons Hill Close, Brookmans Park, Hatfield AL9 | £778,333 | 33 | 1 |
| House Prices in Dixons Hill Close, Welham Green, Hatfield AL9 | £766,905 | 33 | 1 |
| House Prices in Dixons Hill Road, Brookmans Park, Hatfield AL9 | £434,872 | 47 | 21 |
| House Prices in Dixons Hill Road, Welham Green, Hatfield AL9 | £456,766 | 47 | 21 |
| House Prices in Dodwood, Welwyn Garden City AL7 | £349,600 | 20 | - |
