| 1, Gwyndy Road, Undy, Caldicot | Freehold | 127 m² | £99,950 (2000) |
| 3 Gwyndy Road, Undy, Caldicot | Freehold | 127 m² | £330,000 (2020) |
| 5, Gwyndy Road, Undy, Caldicot | Freehold | 150 m² | £239,950 (2016) |
| 7, Gwyndy Road, Undy, Caldicot | Freehold | 116 m² | £233,500 (2007) |
| 8 Gwyndy Road, Undy, Caldicot | Freehold | 107 m² | £199,950 (2008) |
| 9, Gwyndy Road, Undy, Caldicot | Freehold | 115 m² | £323,000 (2019) |
| 10, Gwyndy Road, Undy, Caldicot | Freehold | 178 m² | £137,500 (2002) |
| 16, Gwyndy Road, Undy, Caldicot | Freehold | 118 m² | £259,950 (2017) |
| 18 Gwyndy Road, Undy, Caldicot | Freehold | 95 m² | £375,000 (2022) |
| 21 Gwyndy Road, Undy, Caldicot | - | 98 m² | - |
| 22, Gwyndy Road, Undy, Caldicot | Freehold | 109 m² | £284,000 (2019) |
| 24, Gwyndy Road, Undy, Caldicot | Freehold | 149 m² | £172,000 (2002) |
| 27 Gwyndy Road, Undy, Caldicot | Freehold | 97 m² | £269,500 (2005) |
| 28 Gwyndy Road, Undy, Caldicot | Freehold | 135 m² | £125,000 (1996) |
| 29 Gwyndy Road, Undy, Caldicot | Freehold | 118 m² | £249,950 (2015) |
| 30 Gwyndy Road, Undy, Undy | Freehold | 97 m² | £289,950 (2021) |
| 31, Gwyndy Road, Undy, Caldicot | Freehold | 136 m² | £261,950 (2015) |
| 33, Gwyndy Road, Undy, Caldicot | Freehold | 111 m² | £307,000 (2020) |
| 34, Gwyndy Road, Undy, Caldicot | Freehold | 154 m² | £207,000 (2013) |
