| 1, Mount Stewart Street, Seaham | - | 94 m² | - |
| 2 Mount Stewart Street, Seaham | Freehold | 100 m² | £104,000 (2025) |
| 3, Mount Stewart Street, Seaham | Freehold | 94 m² | £60,000 (2019) |
| 4 Mount Stewart Street, Seaham | Freehold | 91 m² | £95,000 (2022) |
| 6, Mount Stewart Street, Seaham | Freehold | 120 m² | £90,000 (2024) |
| 7 Mount Stewart Street, Seaham | Freehold | 93 m² | £35,000 (2012) |
| 8 Mount Stewart Street, Seaham | Freehold | 129 m² | £99,950 (2022) |
| 11 Mount Stewart Street, Seaham | Freehold | 93 m² | £40,000 (2015) |
| 12 Mount Stewart Street, Seaham | Freehold | 94 m² | £58,000 (2026) |
| 15, Mount Stewart Street, Seaham | Freehold | 77 m² | £12,000 (1995) |
| 17 Mount Stewart Street, Seaham | Freehold | 117 m² | £24,750 (1995) |
| 18, Mount Stewart Street, Seaham | Freehold | 91 m² | £79,950 (2020) |
| 19, Mount Stewart Street, Seaham | Freehold | 92 m² | £43,000 (2020) |
| 21, Mount Stewart Street, Seaham | Freehold | 90 m² | £23,000 (2002) |
| 42 Mount Stewart Street, Seaham | - | 101 m² | - |
| 43, Mount Stewart Street, Seaham | Freehold | 97 m² | £60,000 (2016) |
| 45 Mount Stewart Street, Seaham | Freehold | 95 m² | £39,995 (2016) |
| 47 Mount Stewart Street, Seaham | Freehold | 97 m² | £60,000 (2024) |
| 49 Mount Stewart Street, Seaham | Freehold | 99 m² | £50,000 (2025) |
| 51, Mount Stewart Street, Seaham | Freehold | 90 m² | £45,000 (2017) |
| 51A Mount Stewart Street, Seaham | Freehold | 105 m² | £10,250 (1996) |
| 55 Mount Stewart Street, Seaham | Freehold | 86 m² | £30,000 (2022) |
| 56 Mount Stewart Street, Seaham | Freehold | 90 m² | £50,000 (2014) |
| 57, Mount Stewart Street, Seaham | Freehold | 80 m² | £29,000 (2014) |
| 58, Mount Stewart Street, Seaham | Freehold | 82 m² | £80,000 (2026) |
| 59, Mount Stewart Street, Seaham | Freehold | 88 m² | £60,400 (2017) |