| 10 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Mar 2025 | £185,000 | Terraced | Freehold |
| 13 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Dec 2024 | £325,000 | Detached | Freehold |
| 1 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | May 2021 | £148,000 | Terraced | Freehold |
| 11 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Dec 2019 | £187,500 | Terraced | Freehold |
| 3 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Jun 2019 | £122,000 | Terraced | Freehold |
| 7 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Oct 2014 | £152,500 | Semi-detached | Freehold |
| 16 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Aug 2013 | £150,000 | Detached | Freehold |
| 5 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Oct 2008 | £133,000 | Semi-detached | Freehold |
| 12 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Oct 2006 | £171,500 | Detached | Freehold |
| 4 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Jun 2006 | £107,000 | Terraced | Freehold |
| 20 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Jul 2005 | £203,000 | Detached | Freehold |
| 9 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Jun 2004 | £95,000 | Semi-detached | Freehold |
| 18 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Jun 2003 | £125,000 | Detached | Freehold |
| 17 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Dec 2002 | £135,950 | Detached | Freehold |
| 8 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Apr 2002 | £84,500 | Detached | Freehold |
| 19 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Feb 1999 | £95,995 | Detached | Freehold |
| 15 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Dec 1997 | £77,500 | Detached | Freehold |
| 2 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Nov 1997 | £43,250 | Terraced | Freehold |
| 6 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Aug 1997 | £58,500 | Semi-detached | Freehold |
| 14 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Aug 1997 | £87,995 | Detached | Freehold |
| 21 Castell Llwyd, Ystrad Mynach, Hengoed, CF82 7DJ | Jan 1997 | £88,500 | Detached | Freehold |