| 2, Merthyr Street, Cathays, Cardiff | Freehold | 81 m² | £126,000 (2009) |
| 4 Merthyr Street, Cathays, Cardiff | Freehold | 79 m² | £162,000 (2014) |
| 6, Merthyr Street, Cathays, Cardiff | Freehold | 63 m² | £128,000 (2012) |
| 6C Merthyr Street, Cathays, Cardiff | Freehold | 89 m² | £260,000 (2023) |
| 8, Merthyr Street, Cathays, Cardiff | Freehold | 81 m² | £255,000 (2024) |
| 10, Merthyr Street, Cathays, Cardiff | Freehold | 86 m² | £124,950 (2003) |
| 12 Merthyr Street, Cathays, Cardiff | Freehold | 82 m² | £222,000 (2022) |
| 14 Merthyr Street, Cathays, Cardiff | Freehold | 91 m² | £223,000 (2021) |
| 16 Merthyr Street, Cathays, Cardiff | Freehold | 73 m² | £227,500 (2023) |
| 16A, Merthyr Street, Cathays, Cardiff | Freehold | 61 m² | £124,000 (2014) |
| 18, Merthyr Street, Cathays, Cardiff | - | 78 m² | - |
| 18A Merthyr Street, Cathays, Cardiff | - | 95 m² | - |
| 18B Merthyr Street, Cathays, Cardiff | - | 118 m² | - |
| 20 Merthyr Street, Cathays, Cardiff | Freehold | 80 m² | £241,000 (2025) |
| 24 Merthyr Street, Cathays, Cardiff | - | 77 m² | - |
| 26, Merthyr Street, Cathays, Cardiff | Freehold | 69 m² | £158,000 (2016) |
| 28 Merthyr Street, Cathays, Cardiff | Freehold | 69 m² | £145,000 (2014) |
| 28A, Merthyr Street, Cathays, Cardiff | Freehold | 60 m² | £160,000 (2021) |
| 28B, Merthyr Street, Cathays, Cardiff | Freehold | 55 m² | £120,000 (2009) |
| 30 Merthyr Street, Cathays, Cardiff | Freehold | 51 m² | £80,000 (2011) |
| 32, Merthyr Street, Cathays, Cardiff | Freehold | 55 m² | £12,750 (2024) |
| 32, Merthyr Street, Cathays, Cardiff | - | 51 m² | - |
| 32B Merthyr Street, Cathays, Cardiff | Leasehold | 107 m² | £110,000 (2023) |
| 32C Merthyr Street, Cathays, Cardiff | Leasehold | 142 m² | £107,192 (2023) |
| First Floor Flat, 6B Merthyr Street, Cathays, Cardiff | - | 32 m² | - |
| Ground Floor Flat, 6B Merthyr Street, Cathays, Cardiff | - | 18 m² | - |