| 1, Oak Close, Undy, Caldicot | Freehold | 39 m² | £95,000 (2014) |
| 3, Oak Close, Undy, Caldicot | Freehold | 40 m² | £132,500 (2019) |
| 4, Oak Close, Undy, Caldicot | Freehold | 76 m² | £145,000 (2014) |
| 5 Oak Close, Undy, Caldicot | Freehold | 62 m² | £145,950 (2007) |
| 6, Oak Close, Undy, Caldicot | - | 57 m² | - |
| 7, Oak Close, Undy, Caldicot | Freehold | 56 m² | £131,950 (2006) |
| 8, Oak Close, Undy, Caldicot | Freehold | 75 m² | £162,500 (2010) |
| 10 Oak Close, Undy, Caldicot | Freehold | 65 m² | £69,000 (2001) |
| 11, Oak Close, Undy, Caldicot | Freehold | 56 m² | £123,500 (2014) |
| 12 Oak Close, Undy, Caldicot | Freehold | 60 m² | £225,000 (2021) |
| 14 Oak Close, Undy, Caldicot | - | 70 m² | - |
| 16, Oak Close, Undy, Caldicot | Freehold | 64 m² | £150,000 (2008) |
| 19, Oak Close, Undy, Caldicot | Freehold | 56 m² | £140,000 (2017) |
| 21, Oak Close, Undy, Caldicot | Freehold | 60 m² | £142,000 (2015) |
| 23 Oak Close, Undy, Caldicot | Freehold | 56 m² | £139,000 (2016) |
| 25 Oak Close, Undy, Caldicot | Freehold | 55 m² | £82,950 (2003) |
| 27, Oak Close, Undy, Caldicot | Freehold | 49 m² | £133,250 (2014) |
| 29, Oak Close, Undy, Caldicot | Freehold | 77 m² | £158,000 (2015) |
