| 1, Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 79 m² | £183,000 (2021) |
| 3 Heol Morfa Brenin, Johnstown, Carmarthen | - | 94 m² | - |
| 5 Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 96 m² | £249,500 (2022) |
| 6 Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 99 m² | £280,000 (2026) |
| 8, Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 112 m² | £175,000 (2015) |
| 9 Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 89 m² | £208,000 (2022) |
| 12 Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 60 m² | £65,000 (2014) |
| 16, Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 81 m² | £115,000 (2012) |
| 22 Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 113 m² | £41,500 (1996) |
| 23, Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 63 m² | £128,500 (2015) |
| 24 Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 103 m² | £215,000 (2023) |
| 25 Heol Morfa Brenin, Johnstown, Carmarthen, Carmarthen | Freehold | 103 m² | £240,000 (2020) |
| 26 Heol Morfa Brenin, Johnstown, Carmarthen | - | 82 m² | - |
| 27, Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 60 m² | £100,000 (2020) |
| 28, Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 158 m² | £193,500 (2012) |
| 30, Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 83 m² | £159,000 (2013) |
| 34, Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 85 m² | £157,000 (2018) |
| 35 Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 84 m² | £190,000 (2020) |
| 36 Heol Morfa Brenin, Johnstown, Carmarthen | Freehold | 95 m² | £227,000 (2022) |