| 1 Hamilton Street, Mountain Ash | Freehold | 97 m² | £137,500 (2024) |
| 2, Hamilton Street, Mountain Ash | Freehold | 96 m² | £94,000 (2020) |
| 3 Hamilton Street, Mountain Ash | Freehold | 96 m² | £85,000 (2021) |
| 5, Hamilton Street, Mountain Ash | Freehold | 83 m² | £63,000 (2020) |
| 6 Hamilton Street, Mountain Ash | Freehold | 92 m² | £118,000 (2025) |
| 8 Hamilton Street, Mountain Ash | Freehold | 106 m² | £177,500 (2026) |
| 9, Hamilton Street, Mountain Ash | Freehold | 86 m² | £72,500 (2019) |
| 10, Hamilton Street, Mountain Ash | Freehold | 109 m² | £50,000 (2003) |
| 12 Hamilton Street, Mountain Ash | Freehold | 74 m² | £70,000 (2021) |
| 13, Hamilton Street, Mountain Ash | Freehold | 216 m² | £150,000 (2017) |
| 14, Hamilton Street, Mountain Ash | Freehold | 87 m² | £85,000 (2020) |
| 16, Hamilton Street, Mountain Ash | Freehold | 102 m² | £51,000 (2014) |
| 17, Hamilton Street, Mountain Ash | Freehold | 109 m² | £85,000 (2004) |
| Alltfelen, Hamilton Street, Mountain Ash | Freehold | 118 m² | £143,000 (2021) |
| Lavonty Villa, Hamilton Street, Mountain Ash | Freehold | 134 m² | £133,000 (2020) |
| Llysdarran, Hamilton Street, Mountain Ash, Mountain Ash | Freehold | 104 m² | £124,995 (2021) |
| Llyswerfa, Hamilton Street, Mountain Ash | Freehold | 100 m² | £195,000 (2024) |
| Pennant House, Hamilton Street, Mountain Ash | Freehold | 133 m² | £82,000 (2014) |
| Wernllwyd Cottage, Hamilton Street, Mountain Ash | - | 78 m² | - |
