| 1, Lon-Y-Celyn, Nelson, Treharris | - | 59 m² | - |
| 4, Lon-Y-Celyn, Nelson, Treharris | Freehold | 57 m² | £105,000 (2013) |
| 8 Lon-Y-Celyn, Nelson, Treharris | Freehold | 78 m² | £122,500 (2007) |
| 10, Lon-Y-Celyn, Nelson, Treharris | Freehold | 61 m² | £139,950 (2018) |
| 12, Lon-Y-Celyn, Nelson, Treharris | - | 57 m² | - |
| 14, Lon-Y-Celyn, Nelson, Treharris | Freehold | 53 m² | £120,000 (2015) |
| 16 Lon-Y-Celyn, Nelson, Treharris | Freehold | 79 m² | £175,000 (2022) |
| 17, Lon-Y-Celyn, Nelson, Treharris | Freehold | 67 m² | £200,000 (2023) |
| 18, Lon-Y-Celyn, Nelson, Treharris | Leasehold | 57 m² | £138,001 (2017) |
| 19, Lon-Y-Celyn, Nelson, Treharris | Freehold | 58 m² | £127,950 (2015) |
| 21, Lon-Y-Celyn, Nelson, Treharris | Freehold | 67 m² | £185,000 (2024) |
| 23, Lon-Y-Celyn, Nelson, Treharris | Freehold | 57 m² | £165,000 (2022) |
| 27 Lon-Y-Celyn, Nelson, Treharris | Freehold | 57 m² | £170,000 (2023) |
| 29 Lon-Y-Celyn, Nelson, Nelson | - | 60 m² | - |
| 33 Lon-Y-Celyn, Nelson, Treharris | Leasehold | 62 m² | £136,000 (2006) |
| 35, Lon-Y-Celyn, Nelson, Treharris | Freehold | 56 m² | £135,000 (2018) |
| 37 Lon-Y-Celyn, Nelson, Treharris | Freehold | 64 m² | £215,000 (2025) |
| 41, Lon-Y-Celyn, Nelson, Treharris | Freehold | 65 m² | £132,000 (2016) |
| 43 Lon-Y-Celyn, Nelson, Treharris | Freehold | 57 m² | £210,000 (2022) |
| 47 Lon-Y-Celyn, Nelson, Treharris | Freehold | 62 m² | £195,000 (2024) |
| 49, Lon-Y-Celyn, Nelson, Treharris | Freehold | 63 m² | £142,500 (2018) |
| 51, Lon-Y-Celyn, Nelson, Treharris | Freehold | 58 m² | £116,000 (2013) |
| 53, Lon-Y-Celyn, Nelson, Treharris | Leasehold | 60 m² | £129,000 (2012) |
| 57, Lon-Y-Celyn, Nelson, Treharris | Leasehold | 62 m² | £133,000 (2016) |
| 59 Lon-Y-Celyn, Nelson, Treharris | Freehold | 62 m² | £165,000 (2021) |
| 61, Lon-Y-Celyn, Nelson, Treharris | Freehold | 61 m² | £144,950 (2011) |
| 63, Lon-Y-Celyn, Nelson, Treharris | Freehold | 65 m² | £46,000 (1997) |
| 65 Lon-Y-Celyn, Nelson, Nelson | Freehold | 57 m² | £117,500 (2009) |
| 75 Lon-Y-Celyn, Nelson, Treharris | Leasehold | 58 m² | £75,950 (2003) |
| 77, Lon-Y-Celyn, Nelson, Treharris | Leasehold | 63 m² | £140,000 (2009) |