| 3 William Street, Tir-Y-Berth, Hengoed | Leasehold | 76 m² | £51,500 (2004) |
| 4, William Street, Tir-Y-Berth, Hengoed | Freehold | 90 m² | £95,000 (2018) |
| 6 William Street, Tir-Y-Berth, Hengoed | Leasehold | 80 m² | £18,000 (1995) |
| 8, William Street, Tir-Y-Berth, Hengoed | - | 89 m² | - |
| 10 William Street, Tir-Y-Berth, Hengoed | Leasehold | 74 m² | £100,000 (2021) |
| 11, William Street, Tir-Y-Berth, Hengoed | Leasehold | 80 m² | £89,000 (2019) |
| 12, William Street, Tir-Y-Berth, Hengoed | Leasehold | 79 m² | £85,000 (2017) |
| 13, William Street, Tir-Y-Berth, Hengoed | Leasehold | 79 m² | £118,500 (2024) |
| 14 William Street, Tir-Y-Berth, Hengoed | Leasehold | 76 m² | £115,000 (2026) |
| 17, William Street, Tir-Y-Berth, Hengoed | Leasehold | 91 m² | £85,000 (2007) |
| 18, William Street, Tir-Y-Berth, Hengoed | Leasehold | 79 m² | £105,000 (2019) |
| 19, William Street, Tir-Y-Berth, Hengoed | Leasehold | 82 m² | £63,500 (2018) |
| 20 William Street, Tir-Y-Berth, Hengoed | Leasehold | 90 m² | £140,000 (2023) |
| 21 William Street, Tiryberth, Caerphilly | - | 78 m² | - |
| 24, William Street, Tir-Y-Berth, Hengoed | Leasehold | 91 m² | £52,950 (2003) |
| 27, William Street, Tir-Y-Berth, Hengoed | Leasehold | 72 m² | £59,000 (2017) |
| 28, William Street, Tir-Y-Berth, Hengoed | Leasehold | 105 m² | £76,000 (2006) |
| 29, William Street, Tir-Y-Berth, Hengoed | Freehold | 78 m² | £30,000 (2001) |
| 31, William Street, Tir-Y-Berth, Hengoed | Freehold | 80 m² | £103,000 (2018) |
| 32, William Street, Tir-Y-Berth, Hengoed | - | 80 m² | - |
| 33, William Street, Tir-Y-Berth, Hengoed | Freehold | 79 m² | £59,000 (2014) |
| 34 William Street, Tir-Y-Berth, Tir-Y-Berth | Freehold | 90 m² | £139,950 (2026) |
| 37, William Street, Tir-Y-Berth, Hengoed | Leasehold | 86 m² | £105,000 (2020) |
| 38 William Street, Tiryberth, Caerphilly | - | 80 m² | - |
| 39 William Street, Tiryberth, Caerphilly | - | 79 m² | - |
| 40 William Street, Tir-Y-Berth, Tir-Y-Berth | - | 84 m² | - |
| 41, William Street, Tir-Y-Berth, Hengoed | Leasehold | 77 m² | £80,000 (2016) |
| 42, William Street, Tir-Y-Berth, Hengoed | - | 76 m² | - |
| 43, William Street, Tir-Y-Berth, Hengoed | - | 80 m² | - |
| 45, William Street, Tir-Y-Berth, Hengoed | Leasehold | 78 m² | £100,000 (2018) |
| 46 William Street, Tir-Y-Berth, Hengoed | - | 75 m² | - |