| 3, William Street, Ystrad, Pentre | Freehold | 80 m² | £120,000 (2023) |
| 5, William Street, Ystrad, Pentre | Freehold | 70 m² | £50,000 (2019) |
| 6, William Street, Ystrad, Pentre | Freehold | 65 m² | £93,000 (2022) |
| 7, William Street, Ystrad, Pentre | Freehold | 78 m² | £67,000 (2023) |
| 8, William Street, Ystrad, Pentre | Freehold | 79 m² | £22,000 (1997) |
| 9 William Street, Ystrad, Pentre | Freehold | 69 m² | £65,000 (2008) |
| 10, William Street, Ystrad, Pentre | - | 72 m² | - |
| 11, William Street, Ystrad, Pentre | Freehold | 75 m² | £49,500 (2004) |
| 15, William Street, Ystrad, Pentre | Freehold | 63 m² | £68,500 (2011) |
| 16 William Street, Ystrad, Pentre | Freehold | 72 m² | £85,000 (2021) |
| 17, William Street, Ystrad, Pentre | Freehold | 59 m² | £64,000 (2026) |
| 18 William Street, Ystrad, Pentre | Freehold | 63 m² | £52,500 (2008) |
| 19 William Street, Ystrad, Pentre | Freehold | 103 m² | £170,000 (2023) |
| 20, William Street, Ystrad, Pentre | Freehold | 124 m² | £146,000 (2024) |
| 21 William Street, Ystrad, Pentre | Freehold | 120 m² | £182,250 (2025) |
| 22, William Street, Ystrad, Pentre | Freehold | 56 m² | £88,000 (2025) |
| 23 William Street, Ystrad, Pentre | Freehold | 53 m² | £52,500 (2008) |
| 24 William Street, Ystrad, Pentre | Freehold | 73 m² | £42,500 (2015) |
| 27-28 William Street, Ystrad, Pentre | - | 164 m² | - |