| 1, Howard Street, Treorchy | Freehold | 69 m² | £79,500 (2023) |
| 2 Howard Street, Treorchy | Freehold | 65 m² | £56,000 (2019) |
| 3, Howard Street, Treorchy | Freehold | 117 m² | £38,000 (1997) |
| 5, Howard Street, Treorchy | - | 100 m² | - |
| 6 Howard Street, Treorchy | Freehold | 93 m² | £105,000 (2023) |
| 7, Howard Street, Treorchy | - | 76 m² | - |
| 8, Howard Street, Treorchy | Freehold | 90 m² | £66,000 (2010) |
| 10, Howard Street, Treorchy | Freehold | 104 m² | £15,000 (1998) |
| 11, Howard Street, Treorchy | Freehold | 77 m² | £51,000 (2013) |
| 12 Howard Street, Treorchy | Freehold | 84 m² | £160,000 (2025) |
| 13, Howard Street, Treorchy | Freehold | 107 m² | £145,000 (2024) |
| 14, Howard Street, Treorchy | Freehold | 64 m² | £50,000 (2010) |
| 15 Howard Street, Treorchy | Freehold | 67 m² | £107,500 (2021) |
| 16, Howard Street, Treorchy | - | 75 m² | - |
| 19 Howard Street, Treorchy | - | 84 m² | - |
| 20 Howard Street, Treorchy | Freehold | 68 m² | £184,995 (2024) |
| 21, Howard Street, Treorchy | Freehold | 81 m² | £109,000 (2008) |
| 22, Howard Street, Treorchy | Freehold | 96 m² | £109,950 (2019) |
| 23, Howard Street, Treorchy | Freehold | 73 m² | £94,000 (2016) |
| 24, Howard Street, Treorchy | Freehold | 85 m² | £114,000 (2024) |
| 25, Howard Street, Treorchy | Freehold | 74 m² | £127,000 (2025) |
| 26 Howard Street, Treorchy | Freehold | 80 m² | £63,000 (2012) |