| 2 Duncan Close, St Mellons, Cardiff, CF3 1NP | Jul 2026 | £240,000 | Semi-detached | Freehold |
| 1 Duncan Close, St Mellons, Cardiff, CF3 1NP | Oct 2025 | £240,000 | Semi-detached | Freehold |
| 23 Duncan Close, St Mellons, Cardiff, CF3 1NP | Aug 2025 | £245,000 | Semi-detached | Freehold |
| 10 Duncan Close, St Mellons, Cardiff, CF3 1NP | Jul 2025 | £265,000 | Semi-detached | Freehold |
| 19 Duncan Close, St Mellons, Cardiff, CF3 1NP | Sep 2024 | £212,500 | Semi-detached | Freehold |
| 3 Duncan Close, St Mellons, Cardiff, CF3 1NP | Apr 2024 | £188,000 | Semi-detached | Freehold |
| 11 Duncan Close, St Mellons, Cardiff, CF3 1NP | Nov 2022 | £210,000 | Semi-detached | Freehold |
| 21 Duncan Close, St Mellons, Cardiff, CF3 1NP | Apr 2021 | £166,000 | Semi-detached | Freehold |
| 8 Duncan Close, St Mellons, Cardiff, CF3 1NP | Jul 2019 | £179,000 | Semi-detached | Freehold |
| 4 Duncan Close, St Mellons, Cardiff, CF3 1NP | Feb 2019 | £165,000 | Terraced | Freehold |
| 26 Duncan Close, St Mellons, Cardiff, CF3 1NP | Feb 2019 | £183,000 | Semi-detached | Freehold |
| 5 Duncan Close, St Mellons, Cardiff, CF3 1NP | Sep 2017 | £170,000 | Semi-detached | Freehold |
| 17 Duncan Close, St Mellons, Cardiff, CF3 1NP | May 2016 | £133,000 | Semi-detached | Freehold |
| 6 Duncan Close, St Mellons, Cardiff, CF3 1NP | Mar 2016 | £160,000 | Semi-detached | Freehold |
| 12 Duncan Close, St Mellons, Cardiff, CF3 1NP | Sep 2014 | £130,000 | Semi-detached | Freehold |
| 18 Duncan Close, St Mellons, Cardiff, CF3 1NP | Feb 2014 | £145,500 | Semi-detached | Freehold |
| 24 Duncan Close, St Mellons, Cardiff, CF3 1NP | Aug 2006 | £145,000 | Semi-detached | Freehold |
| 20 Duncan Close, St Mellons, Cardiff, CF3 1NP | Apr 2005 | £112,000 | Semi-detached | Freehold |
| 16 Duncan Close, St Mellons, Cardiff, CF3 1NP | Oct 2000 | £58,900 | Semi-detached | Freehold |
| 13 Duncan Close, St Mellons, Cardiff, CF3 1NP | Dec 1997 | £52,000 | Semi-detached | Freehold |
| 15 Duncan Close, St Mellons, Cardiff, CF3 1NP | Jul 1997 | £57,950 | Semi-detached | Freehold |
| 14 Duncan Close, St Mellons, Cardiff, CF3 1NP | Mar 1997 | £48,000 | Terraced | Freehold |
| 9 Duncan Close, St Mellons, Cardiff, CF3 1NP | Nov 1996 | £48,500 | Semi-detached | Freehold |
| 25 Duncan Close, St Mellons, Cardiff, CF3 1NP | May 1996 | £43,300 | Semi-detached | Freehold |