| 14 Knowbury Avenue, Penarth, CF64 5RX | Jun 2023 | £640,000 | Detached | Freehold |
| 1 Knowbury Avenue, Penarth, CF64 5RX | Jan 2022 | £625,000 | Detached | Freehold |
| 20 Knowbury Avenue, Penarth, CF64 5RX | Feb 2021 | £680,000 | Detached | Freehold |
| 10 Knowbury Avenue, Penarth, CF64 5RX | Oct 2016 | £400,000 | Detached | Freehold |
| 12 Knowbury Avenue, Penarth, CF64 5RX | Dec 2014 | £415,000 | Detached | Freehold |
| 7 Knowbury Avenue, Penarth, CF64 5RX | Sep 2014 | £467,500 | Detached | Freehold |
| 2 Knowbury Avenue, Penarth, CF64 5RX | Apr 2014 | £450,000 | Detached | Freehold |
| 17 Knowbury Avenue, Penarth, CF64 5RX | Mar 2013 | £430,000 | Detached | Freehold |
| 13 Knowbury Avenue, Penarth, CF64 5RX | Mar 2008 | £460,000 | Detached | Freehold |
| 24 Knowbury Avenue, Penarth, CF64 5RX | Sep 2007 | £382,000 | Detached | Freehold |
| 5 Knowbury Avenue, Penarth, CF64 5RX | Jun 2004 | £394,000 | Detached | Freehold |
| 16 Knowbury Avenue, Penarth, CF64 5RX | Sep 1998 | £150,000 | Detached | Freehold |
| 15 Knowbury Avenue, Penarth, CF64 5RX | Sep 1998 | £167,000 | Detached | Freehold |
| 6 Knowbury Avenue, Penarth, CF64 5RX | Oct 1997 | £135,000 | Terraced | Freehold |
| 4 Knowbury Avenue, Penarth, CF64 5RX | Nov 1996 | £122,000 | Detached | Freehold |
| 21 Knowbury Avenue, Penarth, CF64 5RX | Apr 1996 | £85,000 | Detached | Freehold |
| 22 Knowbury Avenue, Penarth, CF64 5RX | Aug 1995 | £118,500 | Detached | Freehold |