| 1, Maes-Yr-Onen, Nelson, Treharris | Freehold | 106 m² | £62,500 (2009) |
| 2, Maes-Yr-Onen, Nelson, Treharris | - | 93 m² | - |
| 3, Maes-Yr-Onen, Nelson, Treharris | - | 82 m² | - |
| 4 Maes-Yr-Onen, Nelson, Treharris | Freehold | 78 m² | £139,000 (2022) |
| 5 Maes-Yr-Onen, Nelson, Treharris | Freehold | 92 m² | £12,540 (2001) |
| 6 Maes-Yr-Onen, Nelson, Treharris | - | 96 m² | - |
| 9 Maes-Yr-Onen, Nelson, Treharris | - | 96 m² | - |
| 11, Maes-Yr-Onen, Nelson, Treharris | - | 82 m² | - |
| 12, Maes-Yr-Onen, Nelson, Treharris | - | 93 m² | - |
| 14, Maes-Yr-Onen, Nelson, Treharris | - | 92 m² | - |
| 15 Maes-Yr-Onen, Nelson, Treharris | - | 100 m² | - |
| 17 Maes-Yr-Onen, Nelson, Treharris | Freehold | 104 m² | £168,000 (2022) |
| 18, Maes-Yr-Onen, Nelson, Treharris | - | 88 m² | - |
| 19, Maes-Yr-Onen, Nelson, Treharris | Freehold | 105 m² | £113,050 (2022) |
| 21, Maes-Yr-Onen, Nelson, Treharris | - | 93 m² | - |
| 22 Maes-Yr-Onen, Nelson, Treharris | - | 78 m² | - |
| 24, Maes-Yr-Onen, Nelson, Treharris | - | 110 m² | - |
| 25, Maes-Yr-Onen, Nelson, Treharris | - | 93 m² | - |
| 26, Maes-Yr-Onen, Nelson, Treharris | - | 93 m² | - |
| 27, Maes-Yr-Onen, Nelson, Treharris | - | 93 m² | - |
| 28, Maes-Yr-Onen, Nelson, Treharris | - | 93 m² | - |
| 30 Maes-Yr-Onen, Nelson, Treharris | Freehold | 88 m² | £57,000 (2006) |
| 31 Maes-Yr-Onen, Nelson, Treharris | Freehold | 83 m² | £68,000 (2013) |
| 33 Maes-Yr-Onen, Nelson, Treharris | - | 76 m² | - |
