| 51, Wynyard Street, Seaham SR7 7LX | Terracedd | - | £100,000 | 2026-03-13 |
| 22, Hill Street, Seaham SR7 7QN | Terracedd | - | £78,000 | 2026-03-11 |
| 1, Rainton Street, Seaham SR7 7QS | Terracedd | 2 | £105,000 | 2026-03-11 |
| 6, Park Street, Seaham SR7 7TG | Terracedd | 2 | £105,000 | 2026-03-06 |
| 23, Church Street, Seaham SR7 7HQ | Semi_Detached | - | £140,000 | 2026-03-05 |
| 52, Mariners Way, Seaham SR7 7EB | Terracedd | - | £231,000 | 2026-03-05 |
| 19, Caister Close, Seaham SR7 7WP | Semi_Detached | 3 | £215,000 | 2026-02-25 |
| 12, Maglona Street, Seaham SR7 7RF | Terracedd | 3 | £65,000 | 2026-02-20 |
| 36, Stavordale Street West, Seaham SR7 7RA | Terracedd | 2 | £65,000 | 2026-02-12 |
| 15, Victoria Street, Seaham SR7 7ST | Terracedd | 3 | £150,000 | 2026-02-06 |
| 7, Cherry Grove, Seaham SR7 7RR | Detached | 3 | £185,000 | 2026-01-30 |
| 3, Hazel Dene Way, Seaham SR7 7PT | Semi_Detached | 2 | £153,000 | 2026-01-16 |
| 21, Mulberry Way, Seaham SR7 7DZ | Semi_Detached | 3 | £161,000 | 2026-01-16 |
| 42, Grants Crescent, Seaham SR7 7TL | Semi_Detached | - | £162,000 | 2026-01-16 |
| 111, Princess Road, Seaham SR7 7TB | Terracedd | 3 | £113,000 | 2026-01-14 |