| 42, Observatory Avenue, Hakin, Milford Haven | - | 60 m² | - |
| 44, Observatory Avenue, Hakin, Milford Haven | - | 60 m² | - |
| 46, Observatory Avenue, Hakin, Milford Haven | - | 60 m² | - |
| 48, Observatory Avenue, Hakin, Milford Haven | - | 60 m² | - |
| 50, Observatory Avenue, Hakin, Milford Haven | - | 60 m² | - |
| 52 Observatory Avenue, Hakin, Milford Haven | - | 50 m² | - |
| 54 Observatory Avenue, Hakin, Milford Haven | - | 69 m² | - |
| 56, Observatory Avenue, Hakin, Milford Haven | - | 72 m² | - |
| 58, Observatory Avenue, Hakin, Milford Haven | - | 72 m² | - |
| 60, Observatory Avenue, Hakin, Milford Haven | - | 72 m² | - |
| 88, Observatory Avenue, Hakin, Milford Haven | Freehold | 85 m² | £80,000 (2011) |
| 90, Observatory Avenue, Hakin, Milford Haven | - | 121 m² | - |
| 94 Observatory Avenue, Hakin, Milford Haven | Freehold | 87 m² | £135,000 (2024) |
| 102 Observatory Avenue, Hakin, Milford Haven | Freehold | 85 m² | £26,000 (2000) |
| 104 Observatory Avenue, Hakin, Milford Haven | Freehold | 87 m² | £135,000 (2021) |
| 106, Observatory Avenue, Hakin, Milford Haven | Freehold | 85 m² | £82,000 (2018) |
| 110 Observatory Avenue, Hakin, Milford Haven | Freehold | 85 m² | £105,000 (2025) |
| 112, Observatory Avenue, Hakin, Milford Haven | Freehold | 87 m² | £75,000 (2016) |
| 114, Observatory Avenue, Hakin, Milford Haven | Freehold | 89 m² | £136,000 (2022) |
| 116 Observatory Avenue, Hakin, Milford Haven | Freehold | 85 m² | £137,500 (2025) |
| 118 Observatory Avenue, Hakin, Milford Haven | Freehold | 149 m² | £90,000 (2023) |
| 120 Observatory Avenue, Hakin, Milford Haven | - | 26 m² | - |
| 122 Observatory Avenue, Hakin, Milford Haven | Freehold | 88 m² | £120,000 (2026) |
| 124 Observatory Avenue, Hakin, Milford Haven | Freehold | 107 m² | £120,000 (2025) |
| 126, Observatory Avenue, Hakin, Milford Haven | Freehold | 86 m² | £113,500 (2021) |
| 132, Observatory Avenue, Hakin, Milford Haven | Freehold | 86 m² | £95,000 (2006) |
| 134, Observatory Avenue, Hakin, Milford Haven | Freehold | 87 m² | £85,000 (2018) |
| 138, Observatory Avenue, Hakin, Milford Haven | Freehold | 75 m² | £85,000 (2012) |
| 142 Observatory Avenue, Hakin, Milford Haven | Freehold | 84 m² | £118,000 (2023) |
| 144, Observatory Avenue, Hakin, Milford Haven | Freehold | 88 m² | £120,000 (2023) |
| 148, Observatory Avenue, Hakin, Milford Haven | - | 84 m² | - |
| 150, Observatory Avenue, Hakin, Milford Haven | - | 88 m² | - |
| 152, Observatory Avenue, Hakin, Milford Haven | - | 86 m² | - |
| 154, Observatory Avenue, Hakin, Milford Haven | - | 32 m² | - |
| 156, Observatory Avenue, Hakin, Milford Haven | - | 29 m² | - |
| 162, Observatory Avenue, Hakin, Milford Haven | - | 44 m² | - |
| 168 Observatory Avenue, Hakin, Milford Haven | - | 30 m² | - |
| 170, Observatory Avenue, Hakin, Milford Haven | - | 31 m² | - |
| 172 Observatory Avenue, Hakin, Milford Haven | - | 31 m² | - |
| 174, Observatory Avenue, Hakin, Milford Haven | - | 30 m² | - |
