| 5, Rockfield Grove, Undy, Caldicot | Freehold | 105 m² | £243,500 (2015) |
| 6, Rockfield Grove, Undy, Caldicot | Freehold | 98 m² | £189,950 (2006) |
| 7, Rockfield Grove, Undy, Caldicot | Freehold | 110 m² | £208,500 (2013) |
| 9, Rockfield Grove, Undy, Caldicot | Freehold | 90 m² | £82,950 (1997) |
| 11 Rockfield Grove, Undy, Caldicot | Freehold | 117 m² | £375,000 (2022) |
| 14 Rockfield Grove, Undy, Caldicot | Freehold | 42 m² | £56,500 (2000) |
| 15 Rockfield Grove, Undy, Caldicot | Freehold | 89 m² | £355,000 (2023) |
| 16 Rockfield Grove, Undy, Caldicot | Freehold | 54 m² | £125,000 (2005) |
| 18, Rockfield Grove, Undy, Caldicot | Freehold | 70 m² | £153,000 (2014) |
| 19, Rockfield Grove, Undy, Caldicot | Freehold | 108 m² | £346,500 (2024) |
| 20, Rockfield Grove, Undy, Caldicot | Freehold | 90 m² | £249,950 (2017) |
| 22 Rockfield Grove, Undy, Caldicot | Freehold | 104 m² | £370,000 (2023) |
| 23 Rockfield Grove, Undy, Caldicot | Freehold | 76 m² | £275,000 (2023) |
| 25, Rockfield Grove, Undy, Caldicot | Freehold | 152 m² | £335,000 (2022) |
| 26 Rockfield Grove, Undy, Caldicot | Freehold | 66 m² | £154,500 (2006) |
| 27, Rockfield Grove, Undy, Caldicot | Freehold | 67 m² | £280,000 (2026) |
| 29 Rockfield Grove, Undy, Caldicot | Freehold | 70 m² | £258,000 (2025) |
| 31 Rockfield Grove, Undy, Caldicot | Freehold | 70 m² | £270,000 (2025) |
| 32, Rockfield Grove, Undy, Caldicot | Freehold | 119 m² | £300,000 (2020) |
| 33, Rockfield Grove, Undy, Caldicot | Freehold | 70 m² | £228,000 (2020) |
| 34, Rockfield Grove, Undy, Caldicot | Freehold | 110 m² | £225,000 (2014) |
| 35 Rockfield Grove, Undy, Caldicot | Freehold | 67 m² | £250,000 (2024) |
| 36 Rockfield Grove, Undy, Caldicot | Freehold | 116 m² | £98,450 (2000) |
| 37, Rockfield Grove, Undy, Caldicot | Freehold | 71 m² | £187,000 (2017) |
| 38, Rockfield Grove, Undy, Caldicot | Freehold | 104 m² | £290,000 (2021) |
| 39 Rockfield Grove, Undy, Caldicot | Freehold | 64 m² | £189,000 (2024) |
| 42, Rockfield Grove, Undy, Caldicot | Freehold | 97 m² | £295,000 (2021) |
| 45 Rockfield Grove, Undy, Caldicot | Freehold | 52 m² | £190,000 (2019) |
| 47, Rockfield Grove, Undy, Caldicot | Freehold | 64 m² | £195,000 (2020) |
| 49, Rockfield Grove, Undy, Caldicot | Freehold | 82 m² | £148,000 (2010) |
| 51, Rockfield Grove, Undy, Caldicot | Freehold | 67 m² | £166,000 (2015) |
| 53, Rockfield Grove, Undy, Caldicot | Freehold | 53 m² | £130,500 (2014) |
| 55, Rockfield Grove, Undy, Caldicot | Freehold | 53 m² | £66,000 (2001) |
| 57 Rockfield Grove, Undy, Caldicot | Freehold | 80 m² | £242,000 (2024) |
| 61 Rockfield Grove, Undy, Caldicot | Freehold | 51 m² | £47,251 (1999) |
| 63 Rockfield Grove, Undy, Caldicot | Freehold | 69 m² | £243,500 (2024) |
| 65 Rockfield Grove, Undy, Caldicot | Freehold | 54 m² | £240,000 (2025) |
| 67 Rockfield Grove, Undy, Caldicot | Freehold | 64 m² | £124,995 (2007) |
| 69, Rockfield Grove, Undy, Caldicot | Freehold | 129 m² | £213,000 (2014) |