| 8 Allen Close, Old St Mellons, Cardiff, CF3 5DH | Aug 2026 | £457,500 | Detached | Freehold |
| 31 Allen Close, Old St Mellons, Cardiff, CF3 5DH | Jun 2025 | £418,500 | Detached | Freehold |
| 3 Allen Close, Old St Mellons, Cardiff, CF3 5DH | Aug 2024 | £480,000 | Detached | Freehold |
| 20 Allen Close, Old St Mellons, Cardiff, CF3 5DH | Apr 2024 | £195,000 | Detached | Freehold |
| 38 Allen Close, Old St Mellons, Cardiff, CF3 5DH | Apr 2022 | £258,000 | Semi-detached | Freehold |
| 37 Allen Close, Old St Mellons, Cardiff, CF3 5DH | Dec 2020 | £248,000 | Semi-detached | Freehold |
| 42 Allen Close, Cardiff, CF3 5DH | May 2020 | £207,500 | Semi-detached | Freehold |
| 28 Allen Close, Old St Mellons, Cardiff, CF3 5DH | Oct 2018 | £192,000 | Semi-detached | Freehold |
| 7 Allen Close, Old St Mellons, Cardiff, CF3 5DH | Sep 2017 | £295,000 | Detached | Freehold |
| 36 Allen Close, Old St Mellons, Cardiff, CF3 5DH | Aug 2017 | £192,500 | Semi-detached | Freehold |
| 12 Allen Close, Cardiff, CF3 5DH | Mar 2014 | £178,000 | Semi-detached | Freehold |
| 34 Allen Close, Cardiff, CF3 5DH | Feb 2014 | £175,000 | Semi-detached | Freehold |
| 33 Allen Close, Cardiff, CF3 5DH | Nov 2013 | £226,500 | Detached | Freehold |
| 11 Allen Close, Cardiff, CF3 5DH | Oct 2013 | £280,000 | Detached | Freehold |
| Pineview, 11A Allen Close, Cardiff, CF3 5DH | Sep 2013 | £340,000 | Detached | Freehold |
| 18 Allen Close, Cardiff, CF3 5DH | Jun 2013 | £217,500 | Detached | Freehold |
| 14 Allen Close, Cardiff, CF3 5DH | Feb 2013 | £149,000 | Semi-detached | Freehold |
| 17 Allen Close, Cardiff, CF3 5DH | Aug 2012 | £310,000 | Detached | Freehold |
| 23 Allen Close, Cardiff, CF3 5DH | Apr 2012 | £281,500 | Detached | Freehold |
| 5 Allen Close, Cardiff, CF3 5DH | Oct 2011 | £278,950 | Detached | Freehold |
| 30 Allen Close, Cardiff, CF3 5DH | Feb 2010 | £183,000 | Semi-detached | Freehold |
| 9 Allen Close, Cardiff, CF3 5DH | Sep 2009 | £260,000 | Detached | Freehold |
| 35 Allen Close, Cardiff, CF3 5DH | Jul 2005 | £190,000 | Detached | Freehold |
| 2 Allen Close, Cardiff, CF3 5DH | May 2005 | £267,000 | Detached | Freehold |
| 40 Allen Close, Cardiff, CF3 5DH | Aug 2004 | £163,000 | Semi-detached | Freehold |
| 25 Allen Close, Cardiff, CF3 5DH | Sep 2003 | £182,000 | Detached | Freehold |
| 15 Allen Close, Cardiff, CF3 5DH | Sep 2003 | £199,995 | Detached | Freehold |
| 44 Allen Close, Cardiff, CF3 5DH | Apr 2003 | £117,000 | Semi-detached | Freehold |
| 21 Allen Close, Cardiff, CF3 5DH | Dec 2002 | £188,500 | Detached | Freehold |
| 4 Allen Close, Cardiff, CF3 5DH | Aug 2002 | £175,000 | Detached | Freehold |
| 16 Allen Close, Cardiff, CF3 5DH | Jul 2002 | £126,000 | Detached | Freehold |
| 39 Allen Close, Cardiff, CF3 5DH | Oct 2001 | £91,000 | Semi-detached | Freehold |
| 22 Allen Close, Cardiff, CF3 5DH | Oct 1999 | £85,000 | Semi-detached | Freehold |
| 26 Allen Close, Cardiff, CF3 5DH | May 1998 | £71,900 | Semi-detached | Freehold |
| 6 Allen Close, Cardiff, CF3 5DH | May 1998 | £121,000 | Detached | Freehold |
| 10 Allen Close, Cardiff, CF3 5DH | Dec 1997 | £110,000 | Detached | Freehold |
| 1 Allen Close, Cardiff, CF3 5DH | Dec 1997 | £115,000 | Detached | Freehold |
| 32 Allen Close, Cardiff, CF3 5DH | Nov 1997 | £126,000 | Detached | Freehold |
| 24 Allen Close, Cardiff, CF3 5DH | Sep 1997 | £68,851 | Semi-detached | Freehold |
| 11A Allen Close, Cardiff, CF3 5DH | Aug 1997 | £154,800 | Detached | Freehold |
| 19 Allen Close, Cardiff, CF3 5DH | Jul 1997 | £150,750 | Detached | Freehold |
| 29 Allen Close, Cardiff, CF3 5DH | Jun 1997 | £117,500 | Detached | Freehold |
| 27 Allen Close, Cardiff, CF3 5DH | Mar 1997 | £116,000 | Detached | Freehold |