| 1 The Stables, John Street, Treharris | Freehold | 108 m² | £129,950 (2010) |
| 1, John Street, Treharris | Freehold | 101 m² | £100,000 (2021) |
| 2 John Street, Treharris | Freehold | 76 m² | £110,000 (2022) |
| 2 The Stables, John Street, Treharris | Freehold | 106 m² | £175,000 (2020) |
| 8, John Street, Treharris | Freehold | 70 m² | £74,000 (2019) |
| 9, John Street, Treharris | Freehold | 70 m² | £64,000 (2019) |
| 10 John Street, Treharris | Freehold | 63 m² | £117,500 (2025) |
| 12, John Street, Treharris | - | 79 m² | - |
| 13, John Street, Treharris | Freehold | 76 m² | £85,000 (2007) |
| 14, John Street, Treharris | Freehold | 91 m² | £58,100 (2009) |
| 16, John Street, Treharris | Freehold | 222 m² | £110,000 (2011) |
| 17, John Street, Treharris | Freehold | 144 m² | £71,000 (2012) |
| 18 John Street, Treharris | Freehold | 129 m² | £100,000 (2023) |
| 22, John Street, Treharris | Freehold | 71 m² | £33,950 (1999) |
| 23, John Street, Treharris | Freehold | 78 m² | £59,000 (2007) |
| 24, John Street, Treharris | Freehold | 85 m² | £43,000 (2017) |
| 25, John Street, Treharris | - | 68 m² | - |
| 26, John Street, Treharris | Freehold | 62 m² | £79,950 (2006) |
| 27, John Street, Treharris | Freehold | 73 m² | £90,000 (2016) |
| 28 John Street, Treharris | - | 82 m² | - |
| 29, John Street, Treharris | - | 80 m² | - |
| 33 John Street, Treharris | Freehold | 72 m² | £67,000 (2004) |
| Elim House, John Street, Treharris | Freehold | 218 m² | £175,000 (2004) |