| 9 Mountjoy Avenue, Penarth, CF64 2SX | Dec 2022 | £400,000 | Semi-detached | Freehold |
| 19 Mountjoy Avenue, Penarth, CF64 2SX | May 2022 | £435,000 | Semi-detached | Freehold |
| 14 Mountjoy Avenue, Penarth, CF64 2SX | Sep 2021 | £420,000 | Terraced | Freehold |
| 13 Mountjoy Avenue, Penarth, CF64 2SX | Apr 2021 | £350,000 | Semi-detached | Freehold |
| 17 Mountjoy Avenue, Penarth, CF64 2SX | Oct 2020 | £395,000 | Semi-detached | Freehold |
| 5 Mountjoy Avenue, Penarth, CF64 2SX | Dec 2019 | £177,500 | Flat / maisonette | Leasehold |
| 5, Beaumont Court Mountjoy Avenue, Penarth, CF64 2SX | Sep 2014 | £173,500 | Terraced | Freehold |
| 3, Beaumont Court Mountjoy Avenue, Penarth, CF64 2SX | Mar 2013 | £169,500 | Terraced | Freehold |
| 1, Beaumont Court Mountjoy Avenue, Penarth, CF64 2SX | Sep 2012 | £162,000 | Terraced | Freehold |
| 15 Mountjoy Avenue, Penarth, CF64 2SX | Mar 2012 | £196,000 | Semi-detached | Freehold |
| 1 Mountjoy Avenue, Penarth, CF64 2SX | Feb 2011 | £128,000 | Flat / maisonette | Freehold |
| 8 Mountjoy Avenue, Penarth, CF64 2SX | Oct 2004 | £215,000 | Semi-detached | Freehold |
| 6 Mountjoy Avenue, Penarth, CF64 2SX | May 2003 | £175,000 | Terraced | Freehold |
| 4 Mountjoy Avenue, Penarth, CF64 2SX | Apr 2002 | £125,950 | Terraced | Freehold |
| 16 Mountjoy Avenue, Penarth, CF64 2SX | Jun 2000 | £126,000 | Semi-detached | Freehold |
| 2 Mountjoy Avenue, Penarth, CF64 2SX | May 1999 | £77,000 | Terraced | Freehold |
| 18 Mountjoy Avenue, Penarth, CF64 2SX | Jul 1998 | £90,000 | Semi-detached | Freehold |
| 10 Mountjoy Avenue, Penarth, CF64 2SX | Nov 1997 | £64,000 | Terraced | Freehold |
| 11 Mountjoy Avenue, Penarth, CF64 2SX | Nov 1997 | £79,750 | Semi-detached | Freehold |