| 1 Frederick Street, Seaham | - | 61 m² | - |
| 1A, Frederick Street, Seaham | - | 69 m² | - |
| 1B Frederick Street, Seaham, Seaham | - | 54 m² | - |
| 1C, Frederick Street, Seaham | - | 51 m² | - |
| 2 Frederick Street, Seaham, Seaham | Freehold | 42 m² | £86,000 (2021) |
| 2A Frederick Street, Seaham, Seaham | - | 66 m² | - |
| 4, Frederick Street, Seaham | Freehold | 127 m² | £47,000 (2018) |
| 6, Frederick Street, Seaham | Freehold | 126 m² | £39,000 (2018) |
| 13, Frederick Street, Seaham | Leasehold | 60 m² | £47,000 (2023) |
| 13A Frederick Street, Seaham | - | 96 m² | - |
| 14, Frederick Street, Seaham | - | 48 m² | - |
| 14A, Frederick Street, Seaham | - | 67 m² | - |
| 15, Frederick Street, Seaham | Freehold | 132 m² | £95,000 (2023) |
| 16, Frederick Street, Seaham | - | 157 m² | - |
| 17, Frederick Street, Seaham | - | 60 m² | - |
| 17A Frederick Street, Seaham | Leasehold | 68 m² | £39,000 (2023) |
| 18, Frederick Street, Seaham | Freehold | 51 m² | £54,000 (2018) |
| 18A, Frederick Street, Seaham | - | 73 m² | - |
| 19, Frederick Street, Seaham | Freehold | 139 m² | £85,000 (2016) |
| 20 Frederick Street, Seaham | - | 50 m² | - |
| 20A Frederick Street, Seaham | - | 74 m² | - |
| 21 Frederick Street, Seaham | Freehold | 126 m² | £71,000 (2025) |
| 22, Frederick Street, Seaham | Freehold | 174 m² | £120,000 (2023) |
| 23 Frederick Street, Seaham, Seaham | Freehold | 51 m² | £100,000 (2026) |
| 23A Frederick Street, Seaham | Leasehold | 62 m² | £14,500 (1995) |
| 24 Frederick Street, Seaham | Freehold | 130 m² | £16,000 (2000) |
| 29, Frederick Street, Seaham | Freehold | 134 m² | £75,000 (2019) |
| 31 Frederick Street, Seaham | - | 51 m² | - |
| 31A Frederick Street, Seaham | - | 74 m² | - |
| 32 Frederick Street, Seaham | Leasehold | 62 m² | £50,000 (2008) |
| 32A, Frederick Street, Seaham | Leasehold | 90 m² | £30,000 (2011) |
| 33 Frederick Street, Seaham | Leasehold | 86 m² | £40,000 (2008) |
| 34 Frederick Street, Seaham | - | 50 m² | - |
| 34A Frederick Street, Seaham | - | 52 m² | - |
| 35 Frederick Street, Seaham | Freehold | 125 m² | £85,000 (2007) |
| 37 Frederick Street, Seaham | - | 52 m² | - |
| 37A Frederick Street, Seaham | - | 77 m² | - |
| 38 Frederick Street, Seaham | - | 52 m² | - |
| 38A, Frederick Street, Seaham | - | 67 m² | - |
| 39 Frederick Street, Seaham | Freehold | 124 m² | £63,000 (2011) |
| 40 Frederick Street, Seaham | - | 138 m² | - |
| 41, Frederick Street, Seaham | Freehold | 136 m² | £68,000 (2020) |
| 42 Frederick Street, Seaham | Freehold | 134 m² | £65,000 (2025) |
| 43, Frederick Street, Seaham | Freehold | 132 m² | £75,000 (2011) |
| 44 Frederick Street, Seaham | Freehold | 81 m² | £770,000 (2026) |