| 1, Plas Y Ddol, Johnstown, Carmarthen | - | 54 m² | - |
| 2 Plas Y Ddol, Johnstown, Carmarthen | Freehold | 98 m² | £290,000 (2025) |
| 3 Plas Y Ddol, Johnstown, Carmarthen | Freehold | 54 m² | £140,000 (2023) |
| 4, Plas Y Ddol, Johnstown, Carmarthen | Freehold | 128 m² | £210,000 (2014) |
| 5 Plas Y Ddol, Johnstown, Carmarthen | Freehold | 53 m² | £154,950 (2023) |
| 6, Plas Y Ddol, Johnstown, Carmarthen | Freehold | 100 m² | £170,000 (2014) |
| 7 Plas Y Ddol, Johnstown, Carmarthen | Freehold | 54 m² | £45,000 (1999) |
| 8 Plas Y Ddol, Johnstown, Carmarthen | - | 116 m² | - |
| 9 Plas Y Ddol, Johnstown, Carmarthen, Carmarthen | Freehold | 53 m² | £145,000 (2021) |
| 11, Plas Y Ddol, Johnstown, Carmarthen | - | 55 m² | - |
| 12, Plas Y Ddol, Johnstown, Carmarthen | Freehold | 91 m² | £146,000 (2012) |
| 13 Plas Y Ddol, Johnstown, Carmarthen | Freehold | 80 m² | £232,000 (2025) |
| 15, Plas Y Ddol, Johnstown, Carmarthen | Freehold | 116 m² | £167,000 (2009) |
| 16, Plas Y Ddol, Johnstown, Carmarthen | Freehold | 89 m² | £172,500 (2017) |
| 17, Plas Y Ddol, Johnstown, Carmarthen | Freehold | 117 m² | £202,000 (2018) |
| 18 Plas Y Ddol, Johnstown, Carmarthen | Freehold | 111 m² | £156,000 (2015) |
| 21, Plas Y Ddol, Johnstown, Carmarthen | Freehold | 120 m² | £200,000 (2019) |
