| 1, Cardiff Street, Treorchy | Freehold | 65 m² | £46,000 (2026) |
| 2, Cardiff Street, Treorchy | Freehold | 80 m² | £110,000 (2018) |
| 3, Cardiff Street, Treorchy | - | 79 m² | - |
| 4, Cardiff Street, Treorchy | - | 80 m² | - |
| 5 Cardiff Street, Treorchy | Freehold | 96 m² | £116,500 (2016) |
| 7, Cardiff Street, Treorchy | - | 61 m² | - |
| 10, Cardiff Street, Treorchy | Freehold | 89 m² | £80,000 (2020) |
| 11 Cardiff Street, Treorchy | Freehold | 89 m² | £176,000 (2022) |
| 13, Cardiff Street, Treorchy | - | 74 m² | - |
| 14, Cardiff Street, Treorchy | - | 81 m² | - |
| 15, Cardiff Street, Treorchy | - | 59 m² | - |
| 16, Cardiff Street, Treorchy | - | 85 m² | - |
| 18 Cardiff Street, Treorchy | Freehold | 98 m² | £133,500 (2025) |
| 20 Cardiff Street, Treorchy | Freehold | 92 m² | £69,000 (2012) |
| 24, Cardiff Street, Treorchy | - | 96 m² | - |
| 26 Cardiff Street, Treorchy | - | 64 m² | - |
| 27, Cardiff Street, Treorchy | Freehold | 88 m² | £85,000 (2014) |
| 31 Cardiff Street, Treorchy | Freehold | 91 m² | £165,000 (2021) |
| 33, Cardiff Street, Treorchy | - | 74 m² | - |
| 34, Cardiff Street, Treorchy | Freehold | 78 m² | £123,000 (2017) |
| 35, Cardiff Street, Treorchy | - | 80 m² | - |
| 36, Cardiff Street, Treorchy | Freehold | 80 m² | £110,000 (2014) |
| 38, Cardiff Street, Treorchy | - | 80 m² | - |
| 41, Cardiff Street, Treorchy | Freehold | 94 m² | £19,000 (1999) |
| 43 Cardiff Street, Treorchy | Freehold | 89 m² | £39,500 (2002) |
| 46 Cardiff Street, Treorchy | Freehold | 96 m² | £14,000 (1999) |
| 47, Cardiff Street, Treorchy | Freehold | 95 m² | £105,000 (2017) |
| 48 Cardiff Street, Treorchy | - | 93 m² | - |
| 50 Cardiff Street, Treorchy | - | 88 m² | - |
| 52, Cardiff Street, Treorchy | - | 85 m² | - |