| 17 Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Aug 2026 | £430,000 | Detached | Freehold |
| 16 Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Feb 2025 | £390,000 | Detached | Freehold |
| Gwelfor Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Feb 2023 | £480,000 | Detached | Freehold |
| 15A Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Dec 2022 | £557,589 | Detached | Freehold |
| Graigog Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Nov 2022 | £105,000 | Detached | Freehold |
| 21 Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Oct 2022 | £400,000 | Detached | Freehold |
| Penrhiw Cottage Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Sep 2018 | £150,000 | Detached | Freehold |
| 19 Trimsaran Road, Pen Y Mynydd, Llanelli, SA15 4RN | Mar 2018 | £167,000 | Detached | Freehold |
| Blaen-Y-Cwm Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Feb 2018 | £179,000 | Other property | Freehold |
| Ael Y Bryn Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Dec 2017 | £39,950 | Semi-detached | Freehold |
| 15 Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Sep 2014 | £115,000 | Detached | Freehold |
| 19 Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Apr 2014 | £190,000 | Detached | Freehold |
| Trem Y Wawr Heol Ddu, Pen Y Mynydd, Llanelli, SA15 4RN | Jul 2013 | £90,000 | Semi-detached | Freehold |
| Furzeland Heol Ddu, Llanelli, SA15 4RN | Aug 2004 | £40,000 | Detached | Freehold |
| Danybryn Heol Ddu, Llanelli, SA15 4RN | Oct 2003 | £160,000 | Detached | Freehold |
| 7 Heol Ddu, Llanelli, SA15 4RN | May 2002 | £89,500 | Terraced | Freehold |
| Greygables Heol Ddu, Llanelli, SA15 4RN | Jun 2000 | £85,000 | Detached | Freehold |
| Peace Haven Heol Ddu, Llanelli, SA15 4RN | Feb 2000 | £44,500 | Detached | Freehold |
| Bro Dawel Heol Ddu, Llanelli, SA15 4RN | Sep 1995 | £60,000 | Detached | Freehold |