| 1, Ilchester Street, Seaham | Freehold | 71 m² | £60,000 (2006) |
| 2 Ilchester Street, Seaham | Freehold | 73 m² | £39,950 (2019) |
| 4, Ilchester Street, Seaham | Freehold | 71 m² | £55,000 (2007) |
| 5 Ilchester Street, Seaham | Freehold | 108 m² | £46,250 (2024) |
| 6, Ilchester Street, Seaham | Freehold | 72 m² | £39,000 (2022) |
| 7 Ilchester Street, Seaham | Freehold | 63 m² | £40,000 (2023) |
| 8 Ilchester Street, Seaham | - | 42 m² | - |
| 8A, Ilchester Street, Seaham | - | 51 m² | - |
| 9 Ilchester Street, Seaham | - | 49 m² | - |
| 9A, Ilchester Street, Seaham | - | 51 m² | - |
| 10 Ilchester Street, Seaham | - | 51 m² | - |
| 10A, Ilchester Street, Seaham | Leasehold | 52 m² | £25,000 (2022) |
| 11 Ilchester Street, Seaham | Leasehold | 45 m² | £29,000 (2024) |
| 11A, Ilchester Street, Seaham | Leasehold | 53 m² | £27,000 (2024) |
| 12, Ilchester Street, Seaham | - | 44 m² | - |
| 12A Ilchester Street, Seaham | - | 46 m² | - |
| 15, Ilchester Street, Seaham | Freehold | 72 m² | £27,000 (2018) |
| 16 Ilchester Street, Seaham | Freehold | 74 m² | £34,000 (2004) |
| 17 Ilchester Street, Seaham | Freehold | 73 m² | £20,000 (2016) |
| 18, Ilchester Street, Seaham | Freehold | 81 m² | £47,000 (2010) |
| 19, Ilchester Street, Seaham | Freehold | 42 m² | £29,500 (2015) |
| 20 Ilchester Street, Seaham | Freehold | 72 m² | £28,250 (2015) |
| 21, Ilchester Street, Seaham | Freehold | 73 m² | £21,500 (2014) |
| 22, Ilchester Street, Seaham | Freehold | 84 m² | £16,000 (2004) |
| 23, Ilchester Street, Seaham | Leasehold | 119 m² | £47,000 (2014) |
| 23A, Ilchester Street, Seaham | Leasehold | 55 m² | £47,000 (2014) |
| 24 Ilchester Street, Seaham | Freehold | 73 m² | £25,500 (2016) |
| 26 Ilchester Street, Seaham | Freehold | 66 m² | £46,000 (2006) |
| 27 Ilchester Street, Seaham | Freehold | 72 m² | £36,250 (2015) |
| 28, Ilchester Street, Seaham | Freehold | 70 m² | £42,500 (2025) |
| 29 Ilchester Street, Seaham | Freehold | 74 m² | £38,000 (2015) |
| 30, Ilchester Street, Seaham | Freehold | 73 m² | £51,000 (2021) |
| 31, Ilchester Street, Seaham | Freehold | 72 m² | £25,500 (2017) |
| 32 Ilchester Street, Seaham | Freehold | 66 m² | £39,999 (2023) |
| 33 Ilchester Street, Seaham | Freehold | 70 m² | £20,000 (2016) |
| 34 Ilchester Street, Dawdon, Dawdon | Freehold | 71 m² | £40,000 (2006) |
| 35, Ilchester Street, Seaham | Freehold | 73 m² | £49,000 (2024) |
| 36, Ilchester Street, Seaham | Freehold | 72 m² | £39,995 (2022) |
| 37 Ilchester Street, Seaham | Freehold | 69 m² | £32,000 (2015) |
| 38 Ilchester Street, Seaham | Freehold | 72 m² | £57,000 (2007) |
| 39, Ilchester Street, Seaham | Freehold | 71 m² | £25,300 (2016) |
| 41 Ilchester Street, Seaham | Freehold | 74 m² | £49,950 (2005) |
| 43, Ilchester Street, Seaham | - | 74 m² | - |
| 44 Ilchester Street, Seaham | Freehold | 73 m² | £52,500 (2006) |
| 45 Ilchester Street, Seaham | Freehold | 80 m² | £39,995 (2023) |
| 46, Ilchester Street, Seaham | Freehold | 72 m² | £26,000 (2016) |
| 47, Ilchester Street, Seaham | Freehold | 72 m² | £24,000 (2017) |
| 48 Ilchester Street, Seaham | Freehold | 102 m² | £98,825 (2025) |