| 31, Grantham Avenue, Seaham SR7 8LZ | Terracedd | - | £83,000 | 2025-12-17 |
| 21, Milton Close, Seaham SR7 8AP | Terracedd | 3 | £138,000 | 2025-12-08 |
| 19, Queens Avenue, Seaham SR7 8EX | Terracedd | 2 | £115,000 | 2025-12-05 |
| 16, Bethune Avenue, Seaham SR7 8AE | Terracedd | - | £93,500 | 2025-11-21 |
| 7, Walpole Avenue, Seaham SR7 8JA | Semi_Detached | 3 | £160,000 | 2025-11-14 |
| 86, Bethune Avenue, Seaham SR7 8AF | Terracedd | 2 | £110,000 | 2025-10-01 |
| 20, Wordsworth Avenue, Seaham SR7 8JP | Semi_Detached | 3 | £125,000 | 2025-09-03 |
| 45, Dalton Heights, Seaham SR7 8LB | Detached | 4 | £485,000 | 2025-08-21 |
| 32, Bowes Avenue, Seaham SR7 8JY | Semi_Detached | 2 | £155,000 | 2025-08-15 |
| 4, Queens Avenue, Seaham SR7 8EX | Terracedd | 3 | £135,000 | 2025-08-12 |
| 38, Bowes Avenue, Seaham SR7 8JY | Semi_Detached | 3 | £189,950 | 2025-08-08 |
| 38, Watling Avenue, Seaham SR7 8HZ | Semi_Detached | 3 | £105,000 | 2025-08-01 |
| 49, Warkworth Crescent, Seaham SR7 8JT | Semi_Detached | 3 | £137,500 | 2025-07-31 |
| 59, Dalton Heights, Dalton-le-dale, Seaham SR7 8LB | Detached | 4 | £328,000 | 2025-07-17 |
| 10, Carrhouse Walk, Seaham SR7 8LE | Detached | - | £380,000 | 2025-07-11 |