| 1 Acacia Avenue, Undy, Caldicot | Freehold | 117 m² | £350,000 (2025) |
| 2 Acacia Avenue, Undy, Caldicot | Freehold | 55 m² | £200,000 (2022) |
| 3, Acacia Avenue, Undy, Caldicot | Freehold | 96 m² | £226,000 (2020) |
| 4 Acacia Avenue, Undy, Caldicot | Freehold | 60 m² | £225,000 (2025) |
| 5 Acacia Avenue, Undy, Caldicot | Freehold | 72 m² | £88,000 (2002) |
| 6 Acacia Avenue, Undy, Caldicot | Freehold | 64 m² | £125,000 (2013) |
| 7, Acacia Avenue, Undy, Caldicot | Freehold | 80 m² | £280,000 (2025) |
| 8 Acacia Avenue, Undy, Caldicot | Freehold | 66 m² | £51,000 (1998) |
| 9 Acacia Avenue, Undy, Caldicot | Freehold | 60 m² | £58,000 (1999) |
| 10 Acacia Avenue, Undy, Caldicot | Freehold | 64 m² | £215,000 (2022) |
| 14, Acacia Avenue, Undy, Caldicot | Freehold | 55 m² | £125,000 (2014) |
| 15 Acacia Avenue, Undy, Caldicot | Freehold | 61 m² | £164,950 (2018) |
| 17 Acacia Avenue, Undy, Undy | Freehold | 60 m² | £199,950 (2021) |
| 20, Acacia Avenue, Undy, Caldicot | Freehold | 55 m² | £184,000 (2020) |
| 21, Acacia Avenue, Undy, Caldicot | Freehold | 60 m² | £217,000 (2024) |
| 22 Acacia Avenue, Undy, Caldicot | Freehold | 61 m² | £55,000 (2001) |
| 23 Acacia Avenue, Undy, Undy | Freehold | 59 m² | £234,000 (2022) |
| 24 Acacia Avenue, Undy, Caldicot | - | 60 m² | - |
| 26 Acacia Avenue, Undy, Caldicot | Freehold | 67 m² | £275,000 (2024) |
| 27 Acacia Avenue, Undy, Caldicot | Freehold | 55 m² | £61,500 (2001) |
| 28 Acacia Avenue, Undy, Caldicot | Freehold | 71 m² | £292,500 (2026) |
| 29, Acacia Avenue, Undy, Caldicot | Freehold | 55 m² | £200,000 (2021) |
| 31 Acacia Avenue, Undy, Caldicot | Freehold | 64 m² | £247,500 (2022) |
| 33, Acacia Avenue, Undy, Caldicot | Freehold | 84 m² | £189,950 (2017) |
| 34 Acacia Avenue, Undy, Caldicot | Freehold | 68 m² | £292,000 (2026) |
| 36 Acacia Avenue, Undy, Caldicot | Freehold | 72 m² | £252,500 (2021) |