| 20A Trevethick Street, Merthyr Tydfil | - | 93 m² | - |
| 22, Trevethick Street, Merthyr Tydfil | - | 62 m² | - |
| 23, Trevethick Street, Merthyr Tydfil | Freehold | 68 m² | £66,000 (2016) |
| 24, Trevethick Street, Merthyr Tydfil | Freehold | 75 m² | £33,000 (2003) |
| 25, Trevethick Street, Merthyr Tydfil | Freehold | 86 m² | £90,000 (2023) |
| 26, Trevethick Street, Merthyr Tydfil | Freehold | 81 m² | £56,000 (2004) |
| 27, Trevethick Street, Merthyr Tydfil | Freehold | 75 m² | £84,000 (2012) |
| 28 Trevethick Street, Merthyr Tydfil | - | 78 m² | - |
| 29, Trevethick Street, Merthyr Tydfil | Freehold | 74 m² | £52,500 (2009) |
| 36, Trevethick Street, Merthyr Tydfil | - | 82 m² | - |
| 38 Trevethick Street, Merthyr Tydfil | Freehold | 71 m² | £45,500 (2004) |
| 42 Trevethick Street, Merthyr Tydfil | Freehold | 63 m² | £18,000 (2002) |
| 46 Trevethick Street, Merthyr Tydfil | Freehold | 100 m² | £105,000 (2023) |
| 50, Trevethick Street, Merthyr Tydfil | Freehold | 78 m² | £46,000 (2018) |
| 52 Trevethick Street, Merthyr Tydfil | Freehold | 85 m² | £43,500 (2017) |
| 54 Trevethick Street, Merthyr Tydfil | Freehold | 70 m² | £108,000 (2025) |
| 56, Trevethick Street, Merthyr Tydfil | Freehold | 69 m² | £32,500 (2000) |
| 62, Trevethick Street, Merthyr Tydfil | Freehold | 69 m² | £101,000 (2024) |
| 64 Trevethick Street, Merthyr Tydfil | Freehold | 96 m² | £120,000 (2022) |
| 66 Trevethick Street, Merthyr Tydfil | Freehold | 89 m² | £92,000 (2021) |
| 68 Trevethick Street, Merthyr Tydfil | Freehold | 53 m² | £33,000 (2021) |
| 70, Trevethick Street, Merthyr Tydfil | - | 65 m² | - |
| 72 Trevethick Street, Merthyr Tydfil, Merthyr Tydfil | Freehold | 67 m² | £54,000 (2020) |
| 74 Trevethick Street, Merthyr Tydfil | Freehold | 68 m² | £28,000 (2003) |
| 76, Trevethick Street, Merthyr Tydfil | Freehold | 76 m² | £35,000 (2018) |
| 82 Trevethick Street, Merthyr Tydfil, Merthyr Tydfil | Freehold | 86 m² | £60,000 (2016) |
| 84 Trevethick Street, Merthyr Tydfil | Freehold | 87 m² | £99,000 (2022) |
| 88, Trevethick Street, Merthyr Tydfil | - | 73 m² | - |
| 90, Trevethick Street, Merthyr Tydfil | Freehold | 78 m² | £132,000 (2023) |
| 94, Trevethick Street, Merthyr Tydfil | Freehold | 79 m² | £64,000 (2019) |
| 100 Trevethick Street, Merthyr Tydfil | Freehold | 90 m² | £102,000 (2026) |
| 102 Trevethick Street, Merthyr Tydfil | Freehold | 102 m² | £120,000 (2022) |
| 104 Trevethick Street, Merthyr Tydfil | Freehold | 76 m² | £82,500 (2022) |
| Enfield House, Trevethick Street, Merthyr Tydfil | Freehold | 137 m² | £110,000 (2004) |
| Flat 1, 29 Trevethick Street, Merthyr Tydfil | - | 44 m² | - |
| Flat 2, 29 Trevethick Street, Merthyr Tydfil | - | 30 m² | - |