| 48 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Apr 2026 | £230,000 | Detached | Freehold |
| 51 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Nov 2025 | £222,000 | Semi-detached | Freehold |
| 50 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Apr 2024 | £280,000 | Detached | Freehold |
| 29 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Feb 2024 | £210,000 | Terraced | Freehold |
| 54 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Sep 2023 | £330,000 | Detached | Freehold |
| 42 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Jan 2020 | £190,000 | Detached | Freehold |
| 32 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Aug 2019 | £122,500 | Semi-detached | Freehold |
| 21 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Aug 2019 | £176,000 | Detached | Freehold |
| 53 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Aug 2018 | £165,000 | Detached | Freehold |
| 27 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Feb 2016 | £153,500 | Detached | Freehold |
| 24 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Apr 2015 | £122,000 | Terraced | Freehold |
| 19 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Sep 2014 | £160,000 | Detached | Freehold |
| 30 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | May 2014 | £115,000 | Terraced | Freehold |
| 4 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | May 2014 | £160,000 | Detached | Freehold |
| 38 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Dec 2013 | £190,000 | Detached | Freehold |
| 5 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Nov 2013 | £158,000 | Detached | Freehold |
| 22 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | May 2013 | £117,000 | Terraced | Freehold |
| 2 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Mar 2013 | £188,500 | Detached | Freehold |
| 55 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Dec 2012 | £190,000 | Detached | Freehold |
| 26 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Feb 2012 | £120,000 | Terraced | Freehold |
| 18 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Feb 2012 | £114,250 | Terraced | Freehold |
| 16 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Jan 2012 | £125,000 | Terraced | Freehold |
| 12 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Sep 2010 | £150,000 | Detached | Freehold |
| 20 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Aug 2010 | £121,000 | Terraced | Freehold |
| 10 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Oct 2009 | £163,750 | Detached | Freehold |
| 47 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Feb 2009 | £160,000 | Detached | Freehold |
| 25 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Aug 2008 | £157,000 | Detached | Freehold |
| 17 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Sep 2005 | £168,500 | Detached | Freehold |
| 1 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Sep 2005 | £165,000 | Detached | Freehold |
| 52 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Dec 2004 | £185,000 | Detached | Freehold |
| 28 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Aug 2004 | £158,000 | Terraced | Freehold |
| 46 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Apr 2004 | £148,000 | Detached | Freehold |
| 49 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Mar 2004 | £144,950 | Detached | Freehold |
| 14 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Aug 2000 | £68,500 | Detached | Freehold |
| 6 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Jun 2000 | £73,000 | Detached | Freehold |
| 44 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | May 1999 | £79,000 | Detached | Freehold |
| 3 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Feb 1999 | £83,995 | Detached | Freehold |
| 36 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Jan 1999 | £71,500 | Detached | Freehold |
| 40 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Oct 1998 | £74,995 | Detached | Freehold |
| 34 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Sep 1998 | £69,500 | Detached | Freehold |
| 23 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Sep 1998 | £68,995 | Detached | Freehold |
| 15 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Aug 1998 | £63,500 | Detached | Freehold |
| 8 Allt Ioan, Johnstown, Carmarthen, SA31 3SB | Dec 1997 | £77,995 | Detached | Freehold |