| 1A Merthyr Street, Cardiff | Freehold | 68 m² | £65,000 (2000) |
| 3, Merthyr Street, Cathays, Cardiff | Freehold | 89 m² | £59,980 (2001) |
| 5, Merthyr Street, Cathays, Cardiff | - | 117 m² | - |
| 7 Merthyr Street, Cathays, Cardiff | Freehold | 80 m² | £129,950 (2003) |
| 9 Merthyr Street, Cathays, Cardiff | Freehold | 90 m² | £125,000 (2012) |
| 11 Merthyr Street, Cathays, Cardiff | Freehold | 77 m² | £251,000 (2025) |
| 13, Merthyr Street, Cathays, Cardiff | - | 94 m² | - |
| 15, Merthyr Street, Cathays, Cardiff | Freehold | 82 m² | £45,000 (1997) |
| 17, Merthyr Street, Cathays, Cardiff | Freehold | 78 m² | £46,000 (1996) |
| 19 Merthyr Street, Cathays, Cardiff | Freehold | 130 m² | £460,000 (2022) |
| 21 Merthyr Street, Cathays, Cardiff | Freehold | 125 m² | £460,000 (2022) |
| 23 Merthyr Street, Cathays, Cardiff | Freehold | 125 m² | £178,500 (2018) |
| 25 Merthyr Street, Cathays, Cardiff | Freehold | 135 m² | £460,000 (2022) |
| 27 Merthyr Street, Cathays, Cardiff | Freehold | 102 m² | £195,000 (2016) |
| 29 Merthyr Street, Cathays, Cardiff, Cardiff | Freehold | 135 m² | £460,000 (2022) |
| 31, Merthyr Street, Cathays, Cardiff | Freehold | 104 m² | £187,000 (2018) |
| 33 Merthyr Street, Cathays, Cardiff | Freehold | 85 m² | £145,000 (2005) |
| 35 Merthyr Street, Cathays, Cardiff | Freehold | 111 m² | £142,000 (2006) |
| 37 Merthyr Street, Cathays, Cardiff | Freehold | 106 m² | £250,000 (2009) |
| 39, Merthyr Street, Cathays, Cardiff | Freehold | 86 m² | £85,000 (2002) |
| 41 Merthyr Street, Cathays, Cardiff | Freehold | 126 m² | £144,950 (2014) |
| 43 Merthyr Street, Cathays, Cardiff | Freehold | 91 m² | £148,000 (2005) |
| 45 Merthyr Street, Cathays, Cardiff | Freehold | 125 m² | £400,000 (2022) |
| 47, Merthyr Street, Cathays, Cardiff | - | 83 m² | - |
| 49 Merthyr Street, Cathays, Cardiff | Freehold | 79 m² | £150,000 (2005) |
| 51, Merthyr Street, Cathays, Cardiff | Freehold | 88 m² | £280,000 (2024) |
| 53, Merthyr Street, Cathays, Cardiff | Freehold | 83 m² | £285,000 (2025) |
| 55, Merthyr Street, Cathays, Cardiff | Freehold | 65 m² | £235,000 (2022) |
| 57 Merthyr Street, Cathays, Cardiff | Freehold | 81 m² | £66,000 (2000) |
| 59, Merthyr Street, Cathays, Cardiff | Freehold | 85 m² | £52,250 (1998) |
| 61, Merthyr Street, Cathays, Cardiff | Freehold | 131 m² | £400,000 (2022) |
| 63 Merthyr Street, Cathays, Cardiff | Freehold | 112 m² | £400,000 (2022) |
| 65 Merthyr Street, Cathays, Cardiff | Freehold | 106 m² | £250,000 (2004) |
| 69 Merthyr Street, Cathays, Cardiff | Freehold | 130 m² | £400,000 (2022) |
| 71, Merthyr Street, Cathays, Cardiff | Freehold | 95 m² | £200,000 (2018) |
| 73, Merthyr Street, Cathays, Cardiff | - | 81 m² | - |
| Flat 1, 49 Merthyr Street, Cardiff | - | 42 m² | - |
| Flat 2, 49 Merthyr Street, Cardiff | - | 25 m² | - |
| Flat 3, 49 Merthyr Street, Cardiff | - | 33 m² | - |