| 35 Bethune Avenue, Seaham | Freehold | 55 m² | £96,000 (2024) |
| 36 Bethune Avenue, Seaham | Freehold | 51 m² | £80,000 (2023) |
| 38 Bethune Avenue, Seaham | - | 50 m² | - |
| 39, Bethune Avenue, Seaham | Freehold | 55 m² | £40,000 (2015) |
| 40 Bethune Avenue, Seaham | - | 53 m² | - |
| 41 Bethune Avenue, Seaham | - | 52 m² | - |
| 42, Bethune Avenue, Seaham | Freehold | 56 m² | £65,000 (2017) |
| 43, Bethune Avenue, Seaham | Freehold | 52 m² | £76,000 (2005) |
| 44 Bethune Avenue, Seaham | - | 57 m² | - |
| 45 Bethune Avenue, Seaham | - | 55 m² | - |
| 46 Bethune Avenue, Seaham | - | 68 m² | - |
| 47 Bethune Avenue, Seaham | Freehold | 57 m² | £135,000 (2024) |
| 50 Bethune Avenue, Seaham | - | 55 m² | - |
| 51, Bethune Avenue, Seaham | Freehold | 48 m² | £76,000 (2008) |
| 52 Bethune Avenue, Seaham | - | 55 m² | - |
| 53 Bethune Avenue, Seaham | - | 55 m² | - |
| 54 Bethune Avenue, Seaham | - | 52 m² | - |
| 55 Bethune Avenue, Seaham | Freehold | 69 m² | £120,000 (2023) |
| 56, Bethune Avenue, Seaham | - | 56 m² | - |
| 57, Bethune Avenue, Seaham | - | 55 m² | - |
| 58 Bethune Avenue, Seaham | Freehold | 35 m² | £84,000 (2021) |
| 59 Bethune Avenue, Seaham | - | 54 m² | - |
| 60 Bethune Avenue, Seaham | Freehold | 48 m² | £40,000 (2024) |
| 61 Bethune Avenue, Seaham | - | 61 m² | - |
| 62 Bethune Avenue, Seaham | - | 53 m² | - |
| 63 Bethune Avenue, Seaham | Freehold | 52 m² | £78,000 (2012) |
| 64 Bethune Avenue, Seaham | Freehold | 55 m² | £129,000 (2025) |
| 65 Bethune Avenue, Seaham | Freehold | 55 m² | £95,000 (2024) |
| 67, Bethune Avenue, Seaham | - | 55 m² | - |
| 68 Bethune Avenue, Seaham | - | 54 m² | - |
| 70, Bethune Avenue, Seaham | Freehold | 57 m² | £100,000 (2022) |
| 72 Bethune Avenue, Seaham | Freehold | 55 m² | £60,000 (2026) |
| 73 Bethune Avenue, Seaham | - | 50 m² | - |
| 74, Bethune Avenue, Seaham | Freehold | 53 m² | £70,000 (2015) |
| 75 Bethune Avenue, Seaham | Freehold | 53 m² | £78,500 (2023) |
| 76 Bethune Avenue, Seaham | - | 62 m² | - |
| 77 Bethune Avenue, Seaham | - | 54 m² | - |
| 78 Bethune Avenue, Seaham | Freehold | 55 m² | £62,500 (2018) |
| 79, Bethune Avenue, Seaham | Freehold | 56 m² | £70,000 (2015) |
| 80 Bethune Avenue, Seaham | Freehold | 62 m² | £89,950 (2021) |
| 81 Bethune Avenue, Seaham | - | 56 m² | - |
| 82 Bethune Avenue, Seaham | Freehold | 61 m² | £75,000 (2023) |
| 83, Bethune Avenue, Seaham | - | 57 m² | - |
| 84 Bethune Avenue, Seaham | - | 48 m² | - |
| 85, Bethune Avenue, Seaham | - | 57 m² | - |
| 86 Bethune Avenue, Seaham | Freehold | 72 m² | £110,000 (2025) |
| 88 Bethune Avenue, Seaham | - | 57 m² | - |
| 89 Bethune Avenue, Seaham | - | 50 m² | - |
| 90 Bethune Avenue, Seaham | - | 54 m² | - |
| 91 Bethune Avenue, Seaham | - | 54 m² | - |
| 93 Bethune Avenue, Seaham | - | 50 m² | - |
| 94 Bethune Avenue, Seaham | - | 51 m² | - |
| 95 Bethune Avenue, Seaham | - | 57 m² | - |
| 96 Bethune Avenue, Seaham | Freehold | 51 m² | £135,000 (2023) |
