| 9, The Dene, Dalton-Le-Dale, Seaham | Freehold | 94 m² | £249,000 (2014) |
| Bel-Air, The Dene, Dalton-Le-Dale, Seaham | Freehold | 103 m² | £215,000 (2015) |
| Briar Dene, The Dene, Dalton-Le-Dale, Seaham | Freehold | 135 m² | £303,000 (2025) |
| Brookside, The Dene, Dalton-Le-Dale, Seaham | - | 92 m² | - |
| Castledene, The Dene, Dalton-Le-Dale, Seaham | Freehold | 239 m² | £153,000 (2001) |
| Devon House, The Dene, Dalton-Le-Dale, Seaham | Freehold | 98 m² | £215,000 (2005) |
| Eureka, The Dene, Dalton-Le-Dale, Seaham | Freehold | 103 m² | £180,000 (2011) |
| Fairlawns, The Dene, Dalton-Le-Dale, Seaham | - | 106 m² | - |
| Four Winds, The Dene, Dalton-Le-Dale, Seaham | Freehold | 150 m² | £227,000 (2018) |
| Glenameade, The Dene, Dalton-Le-Dale, Seaham | - | 138 m² | - |
| Gloucester House, The Dene, Dalton-Le-Dale, Seaham | Freehold | 152 m² | £299,950 (2023) |
| Haytor House, The Dene, Seaham | Freehold | 154 m² | £77,000 (1999) |
| Joylynn, The Dene, Dalton-Le-Dale, Seaham | - | 108 m² | - |
| Lyndale, The Dene, Dalton-Le-Dale, Seaham | Freehold | 70 m² | £140,000 (2018) |
| Sylvadale, The Dene, Dalton-Le-Dale, Seaham | Freehold | 176 m² | £275,000 (2013) |
| Woodlands, The Dene, Dalton-Le-Dale, Seaham | Freehold | 47 m² | £205,000 (2018) |
