| 2, Arlington Close, Undy, Caldicot | Freehold | 124 m² | £350,000 (2021) |
| 5, Arlington Close, Undy, Caldicot | Freehold | 122 m² | £225,000 (2005) |
| 6, Arlington Close, Undy, Caldicot | Freehold | 103 m² | £286,000 (2019) |
| 8, Arlington Close, Undy, Caldicot | Freehold | 195 m² | £365,000 (2019) |
| 12 Arlington Close, Undy, Caldicot | Freehold | 152 m² | £249,950 (2005) |
| 16, Arlington Close, Undy, Caldicot | Freehold | 125 m² | £215,000 (2015) |
| 17, Arlington Close, Undy, Caldicot | Freehold | 132 m² | £380,000 (2021) |
| 18 Arlington Close, Undy, Caldicot | Freehold | 102 m² | £355,000 (2025) |
| 19, Arlington Close, Undy, Caldicot | Freehold | 120 m² | £293,000 (2019) |
| 20 Arlington Close, Undy, Caldicot | - | 131 m² | - |
| 21, Arlington Close, Undy, Caldicot | Freehold | 126 m² | £365,000 (2020) |
| 22, Arlington Close, Undy, Caldicot | Freehold | 126 m² | £380,000 (2025) |
| 23 Arlington Close, Undy, Caldicot | - | 119 m² | - |
| 26, Arlington Close, Undy, Caldicot | Freehold | 106 m² | £230,000 (2016) |
| 28, Arlington Close, Undy, Caldicot | Freehold | 112 m² | £310,000 (2021) |
| Arlington House, Arlington Close, Undy, Caldicot | Freehold | 238 m² | £175,000 (1997) |
| Rockwall House, 29 Arlington Close, Undy, Undy | - | 169 m² | - |
| Tree View, Arlington Close, Undy, Caldicot | - | 128 m² | - |