| 29 The Dell, St Mellons, Cardiff, CF3 5DL | Sep 2025 | £150,000 | Terraced | Freehold |
| 1 The Dell, St Mellons, Cardiff, CF3 5DL | Jul 2023 | £125,000 | Terraced | Freehold |
| 28 The Dell, St Mellons, Cardiff, CF3 5DL | Jul 2023 | £150,000 | Semi-detached | Freehold |
| 32 The Dell, St Mellons, Cardiff, CF3 5DL | Mar 2023 | £120,000 | Terraced | Freehold |
| 10 The Dell, St Mellons, Cardiff, CF3 5DL | Mar 2023 | £160,000 | Terraced | Freehold |
| 21 The Dell, St Mellons, Cardiff, CF3 5DL | Feb 2023 | £132,500 | Terraced | Freehold |
| 11 The Dell, St Mellons, Cardiff, CF3 5DL | May 2022 | £155,000 | Terraced | Freehold |
| 22 The Dell, St Mellons, Cardiff, CF3 5DL | Feb 2022 | £120,000 | Terraced | Freehold |
| 7 The Dell, St Mellons, Cardiff, CF3 5DL | Jan 2022 | £122,500 | Terraced | Freehold |
| 2 The Dell, St Mellons, Cardiff, CF3 5DL | Feb 2021 | £115,000 | Terraced | Freehold |
| 27 The Dell, St Mellons, Cardiff, CF3 5DL | Jan 2021 | £115,000 | Semi-detached | Freehold |
| 20 The Dell, St Mellons, Cardiff, CF3 5DL | Jul 2020 | £120,000 | Terraced | Freehold |
| 16 The Dell, St Mellons, Cardiff, CF3 5DL | Feb 2020 | £112,000 | Terraced | Freehold |
| 9 The Dell, St Mellons, Cardiff, CF3 5DL | Oct 2019 | £130,000 | Terraced | Freehold |
| 17 The Dell, St Mellons, Cardiff, CF3 5DL | Jun 2019 | £118,000 | Terraced | Freehold |
| 24 The Dell, St Mellons, Cardiff, CF3 5DL | Nov 2018 | £105,000 | Terraced | Freehold |
| 3 The Dell, St Mellons, Cardiff, CF3 5DL | Jul 2017 | £100,000 | Terraced | Freehold |
| 4 The Dell, St Mellons, Cardiff, CF3 5DL | Aug 2015 | £76,000 | Terraced | Freehold |
| 8 The Dell, St Mellons, Cardiff, CF3 5DL | Apr 2015 | £100,000 | Terraced | Freehold |
| 31 The Dell, St Mellons, Cardiff, CF3 5DL | Feb 2014 | £85,000 | Terraced | Freehold |
| 23 The Dell, St Mellons, Cardiff, CF3 5DL | Jan 2014 | £84,000 | Terraced | Freehold |
| 5 The Dell, St Mellons, Cardiff, CF3 5DL | Mar 2012 | £83,000 | Terraced | Freehold |
| 30 The Dell, St Mellons, Cardiff, CF3 5DL | Feb 2010 | £70,000 | Terraced | Freehold |
| 12 The Dell, St Mellons, Cardiff, CF3 5DL | Aug 2007 | £110,000 | Terraced | Freehold |
| 6 The Dell, St Mellons, Cardiff, CF3 5DL | Jan 2005 | £74,950 | Terraced | Freehold |
| 13 The Dell, St Mellons, Cardiff, CF3 5DL | Dec 2002 | £60,000 | Terraced | Freehold |
| 19 The Dell, St Mellons, Cardiff, CF3 5DL | Nov 2002 | £56,950 | Terraced | Freehold |
| 25 The Dell, St Mellons, Cardiff, CF3 5DL | Aug 1997 | £31,995 | Terraced | Freehold |
| 14 The Dell, St Mellons, Cardiff, CF3 5DL | Jul 1997 | £27,500 | Semi-detached | Freehold |