| 2 Harold Street, Ammanford | Freehold | 86 m² | £115,000 (2023) |
| 4 Harold Street, Ammanford | Freehold | 85 m² | £54,000 (2012) |
| 6, Harold Street, Ammanford | Freehold | 82 m² | £117,000 (2025) |
| 10, Harold Street, Ammanford | Freehold | 91 m² | £76,750 (2017) |
| 12 Harold Street, Ammanford, Ammanford | Freehold | 89 m² | £102,500 (2021) |
| 16 Harold Street, Ammanford | Freehold | 91 m² | £93,000 (2008) |
| 18 Harold Street, Ammanford | - | 73 m² | - |
| 20, Harold Street, Ammanford | Freehold | 82 m² | £85,000 (2010) |
| 24, Harold Street, Ammanford | Freehold | 87 m² | £84,000 (2006) |
| 28A Harold Street, Ammanford | - | 46 m² | - |
| 28B, Harold Street, Ammanford | - | 42 m² | - |
| 34 Harold Street, Ammanford | - | 90 m² | - |
| 35 Harold Street, Ammanford, Ammanford | Freehold | 78 m² | £73,000 (2021) |
| 37, Harold Street, Ammanford | Freehold | 86 m² | £77,000 (2017) |
| 39 Harold Street, Ammanford | - | 88 m² | - |
| 41A Harold Street, Ammanford | - | 55 m² | - |
| 41B, Harold Street, Ammanford | - | 41 m² | - |
| 43 Harold Street, Ammanford | Freehold | 90 m² | £87,500 (2021) |
| 45, Harold Street, Ammanford | Freehold | 107 m² | £85,000 (2006) |
| 47, Harold Street, Ammanford | Freehold | 82 m² | £125,000 (2020) |
| 49 Harold Street, Ammanford | Freehold | 103 m² | £68,000 (2013) |
| 51, Harold Street, Ammanford | Freehold | 90 m² | £36,350 (2002) |
| 53, Harold Street, Ammanford | Freehold | 95 m² | £128,000 (2021) |