| 6, Byron Lodge Estate, Seaham SR7 0JY | Terracedd | 3 | £137,000 | 2026-03-20 |
| 15, Woodlands, Seaham SR7 0ER | Semi_Detached | - | £100,000 | 2026-03-13 |
| 10, Sutherland Street, Seaham SR7 0AX | Terracedd | - | £100,000 | 2026-03-12 |
| 12, St Aldwyn Road, Seaham SR7 0AN | Terracedd | - | £110,000 | 2026-03-04 |
| 16, Rutherford Avenue, Seaham SR7 0JX | Semi_Detached | 3 | £138,000 | 2026-02-27 |
| 5, Swallow Street, Seaham SR7 0AL | Terracedd | 3 | £130,000 | 2026-02-26 |
| 1, Durham Street, Seaham SR7 0DW | Terracedd | 3 | £160,000 | 2026-02-23 |
| 12, Seaton Grove, Seaham SR7 0LU | Semi_Detached | - | £265,000 | 2026-02-23 |
| 8, Cheviot Gardens, Seaham SR7 0BY | Detached | - | £195,000 | 2026-02-13 |
| 29, Oliver Street, Seaham SR7 0AZ | Terracedd | 3 | £102,000 | 2026-01-19 |
| 42, Newark Crescent, Seaham SR7 0ED | Semi_Detached | 2 | £147,600 | 2025-12-19 |
| 52, Neasham Road, Seaham SR7 0EH | Terracedd | 3 | £167,000 | 2025-12-12 |
| 27, Byron Terrace, Seaham SR7 0HX | Terracedd | 2 | £80,000 | 2025-12-05 |
| 83, Melrose Crescent, Seaham SR7 0JZ | Terracedd | 2 | £120,000 | 2025-11-21 |
| 9, Rutland Street, Seaham SR7 0AR | Terracedd | 2 | £140,000 | 2025-11-20 |