| 30, Upper Thomas Street, Merthyr Tydfil | Freehold | 119 m² | £74,425 (2003) |
| 31 Upper Thomas Street, Merthyr Tydfil, Merthyr Tydfil | Freehold | 87 m² | £90,000 (2018) |
| 32, Upper Thomas Street, Merthyr Tydfil | Freehold | 166 m² | £30,000 (1999) |
| 33, Upper Thomas Street, Merthyr Tydfil | Freehold | 115 m² | £70,000 (2009) |
| 34, Upper Thomas Street, Merthyr Tydfil | Freehold | 152 m² | £31,500 (1997) |
| 35, Upper Thomas Street, Merthyr Tydfil | Freehold | 145 m² | £78,950 (2003) |
| 36, Upper Thomas Street, Merthyr Tydfil | Freehold | 232 m² | £184,000 (2008) |
| 38 Upper Thomas Street, Merthyr Tydfil | - | 138 m² | - |
| 40 Upper Thomas Street, Merthyr Tydfil | Freehold | 118 m² | £68,000 (2023) |
| 41, Upper Thomas Street, Merthyr Tydfil | Freehold | 98 m² | £36,000 (1996) |
| 42, Upper Thomas Street, Merthyr Tydfil | - | 125 m² | - |
| 43, Upper Thomas Street, Merthyr Tydfil | Freehold | 117 m² | £90,000 (2010) |
| 48, Upper Thomas Street, Merthyr Tydfil | - | 114 m² | - |
| 50, Upper Thomas Street, Merthyr Tydfil | Freehold | 183 m² | £160,000 (2021) |
| 52, Upper Thomas Street, Merthyr Tydfil | - | 146 m² | - |
| 53 Upper Thomas Street, Merthyr Tydfil | Freehold | 167 m² | £230,000 (2026) |
| Basement Flat, 37 Upper Thomas Street, Merthyr Tydfil | - | 56 m² | - |
| First Floor Flat, 37 Upper Thomas Street, Merthyr Tydfil | - | 56 m² | - |
| Flat 1, Campsie House, 44 Upper Thomas Street, Merthyr Tydfil | - | 89 m² | - |
| Flat 2 Campsie House, 44, Upper Thomas Street, Merthyr Tydfil | - | 67 m² | - |
| Flat 3, Campsie House, 44 Upper Thomas Street, Merthyr Tydfil | - | 89 m² | - |
| Flat 4 Campsie House, 44, Upper Thomas Street, Merthyr Tydfil | - | 35 m² | - |
| Ground Floor Flat, 37 Upper Thomas Street, Merthyr Tydfil | - | 47 m² | - |