| 51, Millfield Park, Undy, Caldicot | Freehold | 115 m² | £190,000 (2009) |
| 54 Millfield Park, Undy, Caldicot | Leasehold | 108 m² | £391,000 (2022) |
| 55, Millfield Park, Undy, Caldicot | Freehold | 129 m² | £320,000 (2021) |
| 56, Millfield Park, Undy, Caldicot | Leasehold | 97 m² | £275,000 (2021) |
| 58, Millfield Park, Undy, Caldicot | Leasehold | 113 m² | £349,950 (2019) |
| 59, Millfield Park, Undy, Caldicot | Leasehold | 112 m² | £245,000 (2018) |
| 60, Millfield Park, Undy, Caldicot | Leasehold | 132 m² | £268,000 (2016) |
| 61, Millfield Park, Undy, Caldicot | Leasehold | 139 m² | £219,950 (2011) |
| 62, Millfield Park, Undy, Caldicot | - | 129 m² | - |
| 65, Millfield Park, Undy, Caldicot | Leasehold | 82 m² | £220,000 (2015) |
| 66, Millfield Park, Undy, Caldicot | Leasehold | 99 m² | £190,000 (2010) |
| 67, Millfield Park, Undy, Caldicot | - | 92 m² | - |
| 68, Millfield Park, Undy, Caldicot | Freehold | 115 m² | £353,000 (2021) |
| 69, Millfield Park, Undy, Caldicot | Leasehold | 112 m² | £193,000 (2011) |
| 70, Millfield Park, Undy, Caldicot | Leasehold | 126 m² | £224,500 (2015) |
| 73, Millfield Park, Undy, Caldicot | Leasehold | 94 m² | £305,000 (2021) |