| 97, Bethune Avenue, Seaham | - | 48 m² | - |
| 98, Bethune Avenue, Seaham | Freehold | 52 m² | £60,000 (2015) |
| 100, Bethune Avenue, Seaham | Freehold | 55 m² | £105,000 (2022) |
| 102, Bethune Avenue, Seaham | Freehold | 51 m² | £45,000 (2013) |
| 103, Bethune Avenue, Seaham | - | 55 m² | - |
| 104 Bethune Avenue, Seaham | - | 55 m² | - |
| 105 Bethune Avenue, Seaham | - | 55 m² | - |
| 106 Bethune Avenue, Seaham | - | 51 m² | - |
| 107 Bethune Avenue, Seaham | Freehold | 50 m² | £50,000 (2024) |
| 108 Bethune Avenue, Seaham | - | 47 m² | - |
| 109 Bethune Avenue, Seaham | Freehold | 50 m² | £60,000 (2018) |
| 110 Bethune Avenue, Seaham | - | 56 m² | - |
| 111 Bethune Avenue, Seaham | - | 52 m² | - |
| 112 Bethune Avenue, Seaham | - | 58 m² | - |
| 114 Bethune Avenue, Seaham | - | 63 m² | - |
| 116 Bethune Avenue, Seaham | - | 63 m² | - |
| 117 Bethune Avenue | - | 63 m² | - |
| 118 Bethune Avenue, Seaham | - | 61 m² | - |
| 119 Bethune Avenue, Seaham | - | 65 m² | - |
| 120 Bethune Avenue, Seaham | - | 61 m² | - |
| 121, Bethune Avenue, Seaham | - | 65 m² | - |
| 122 Bethune Avenue, Seaham | - | 62 m² | - |
| 123 Bethune Avenue, Seaham | Freehold | 74 m² | £79,000 (2007) |
| 124 Bethune Avenue, Seaham | - | 62 m² | - |
| 125, Bethune Avenue, Seaham | - | 66 m² | - |
| 126, Bethune Avenue, Seaham | - | 66 m² | - |
| 127 Bethune Avenue, Seaham | - | 63 m² | - |
| 128 Bethune Avenue, Seaham | - | 65 m² | - |
| 131 Bethune Avenue, Seaham | - | 62 m² | - |
| 132 Bethune Avenue, Seaham | - | 65 m² | - |
| 133 Bethune Avenue, Seaham | - | 59 m² | - |
| 134 Bethune Avenue, Seaham | - | 65 m² | - |
| 135 Bethune Avenue, Seaham | - | 67 m² | - |
| 136 Bethune Avenue, Seaham | - | 62 m² | - |
| 137 Bethune Avenue, Seaham | - | 62 m² | - |
| 138, Bethune Avenue, Seaham | - | 66 m² | - |
| 139 Bethune Avenue, Seaham | - | 65 m² | - |
