| 3 Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 126 m² | £330,000 (2025) |
| 4, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 126 m² | £204,000 (2012) |
| 5, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 106 m² | £103,995 (2001) |
| 6 Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 96 m² | £172,500 (2004) |
| 7, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 87 m² | £210,000 (2019) |
| 8 Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 108 m² | £275,000 (2026) |
| 12 Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 114 m² | £87,995 (2001) |
| 13 Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 105 m² | £90,250 (2001) |
| 14, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 55 m² | £129,995 (2020) |
| 15 Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 56 m² | £165,000 (2024) |
| 18, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 69 m² | £175,000 (2024) |
| 20, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 63 m² | £124,950 (2014) |
| 21, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 62 m² | £58,995 (2001) |
| 22 Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 54 m² | £118,500 (2019) |
| 23, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 54 m² | £105,000 (2015) |
| 24, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 62 m² | £57,475 (2001) |
| 25, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 121 m² | £375,000 (2023) |
| 27, Trem Yr Efail, Ystrad Mynach, Hengoed | Freehold | 93 m² | £156,000 (2012) |