| 1 Millfield Park, Undy, Caldicot | Leasehold | 124 m² | £330,000 (2025) |
| 7, Millfield Park, Undy, Caldicot | - | 114 m² | - |
| 8, Millfield Park, Undy, Caldicot | Freehold | 93 m² | £186,500 (2013) |
| 9 Millfield Park, Undy, Caldicot | Freehold | 100 m² | £415,000 (2025) |
| 10, Millfield Park, Undy, Caldicot | - | 110 m² | - |
| 11 Millfield Park, Undy, Undy | Freehold | 104 m² | £290,000 (2020) |
| 12, Millfield Park, Undy, Caldicot | Freehold | 112 m² | £315,000 (2019) |
| 13 Millfield Park, Undy, Caldicot | Freehold | 112 m² | £430,000 (2024) |
| 14 Millfield Park, Undy, Caldicot | Freehold | 151 m² | £420,000 (2026) |
| 15 Millfield Park, Undy, Caldicot | Freehold | 123 m² | £350,000 (2024) |
| 17, Millfield Park, Undy, Caldicot | Freehold | 112 m² | £221,000 (2013) |
| 18, Millfield Park, Undy, Caldicot | Leasehold | 161 m² | £215,000 (2014) |
| 20, Millfield Park, Undy, Caldicot | Freehold | 111 m² | £310,000 (2019) |
| 24, Millfield Park, Undy, Caldicot | Leasehold | 110 m² | £174,950 (2009) |
| 27, Millfield Park, Undy, Caldicot | Freehold | 91 m² | £245,000 (2020) |
| 28 Millfield Park, Undy, Undy | Leasehold | 112 m² | £216,500 (2014) |
| 29 Millfield Park, Undy, Caldicot | Leasehold | 108 m² | £430,000 (2022) |
| 30, Millfield Park, Undy, Caldicot | Leasehold | 95 m² | £178,500 (2004) |
| 35 Millfield Park, Undy, Caldicot | Leasehold | 94 m² | £220,000 (2007) |
| 36 Millfield Park, Undy, Caldicot | Leasehold | 117 m² | £217,500 (2013) |
| 37 Millfield Park, Undy, Caldicot | Freehold | 81 m² | £325,000 (2023) |
| 39, Millfield Park, Undy, Caldicot | Leasehold | 123 m² | £247,000 (2016) |
| 44, Millfield Park, Undy, Caldicot | Freehold | 98 m² | £195,000 (2012) |
| 46 Millfield Park, Undy, Caldicot | Freehold | 105 m² | £285,000 (2019) |
| 47, Millfield Park, Undy, Caldicot | Leasehold | 124 m² | £223,950 (2011) |
| 48, Millfield Park, Undy, Caldicot | Leasehold | 136 m² | £220,000 (2012) |
| 49, Millfield Park, Undy, Caldicot | Leasehold | 128 m² | £310,000 (2020) |