| 1, Lan-Y-Parc, Nelson, Treharris | Freehold | 75 m² | £70,000 (2013) |
| 2 Lan-Y-Parc, Nelson, Treharris | Freehold | 79 m² | £114,000 (2025) |
| 4, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 5, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 6, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 8 Lan-Y-Parc, Caerphilly County Borough, Treharris, Nelson | - | 76 m² | - |
| 9, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 12 Lan-Y-Parc, Nelson, Treharris | - | 81 m² | - |
| 13, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 14, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 15, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 16, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 17 Lan-Y-Parc, Caerphilly County Borough, Treharris, Nelson | - | 80 m² | - |
| 18, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 19, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 21, Lan-Y-Parc, Nelson, Treharris | - | 92 m² | - |
| 22, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 23, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 24 Lan-Y-Parc, Nelson, Treharris | - | 77 m² | - |
| 28 Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 29, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 30, Lan-Y-Parc, Nelson, Treharris | Freehold | 89 m² | £49,000 (2015) |
| 31, Lan-Y-Parc, Nelson, Treharris | - | 88 m² | - |
| 32 Lan-Y-Parc, Nelson, Treharris | - | 98 m² | - |
| 33 Lan-Y-Parc, Caerphilly County Borough, Treharris, Nelson | - | 76 m² | - |
| 34 Lan-Y-Parc, Nelson, Treharris | - | 109 m² | - |
| 36, Lan-Y-Parc, Nelson, Treharris | - | 51 m² | - |
| 38 Lan-Y-Parc, Nelson, Treharris | - | 73 m² | - |
| 39 Lan-Y-Parc, Nelson, Treharris | - | 50 m² | - |
| 40, Lan-Y-Parc, Nelson, Treharris | - | 42 m² | - |
| 42, Lan-Y-Parc, Nelson, Treharris | - | 110 m² | - |
| 43 Lan-Y-Parc, Nelson, Treharris | - | 80 m² | - |
| 45 Lan-Y-Parc, Caerphilly County Borough, Treharris, Nelson | - | 88 m² | - |
