| 1, Pennyfarthing Lane, Undy, Caldicot | Freehold | 135 m² | £218,000 (2011) |
| 4, Pennyfarthing Lane, Undy, Caldicot | Freehold | 88 m² | £149,000 (2009) |
| 5 Pennyfarthing Lane, Undy, Caldicot | Freehold | 106 m² | £111,950 (2001) |
| 8 Pennyfarthing Lane, Undy, Caldicot | Freehold | 129 m² | £331,500 (2024) |
| 9 Pennyfarthing Lane, Undy, Caldicot | - | 148 m² | - |
| 12 Pennyfarthing Lane, Undy, Caldicot | Freehold | 85 m² | £257,500 (2025) |
| 14, Pennyfarthing Lane, Undy, Caldicot | Freehold | 79 m² | £145,950 (2015) |
| 16 Pennyfarthing Lane, Undy, Caldicot | Freehold | 54 m² | £119,500 (2006) |
| 19 Pennyfarthing Lane, Undy, Caldicot | Freehold | 129 m² | £200,000 (2014) |
| 20, Pennyfarthing Lane, Undy, Caldicot | Freehold | 55 m² | £122,000 (2006) |
| 22, Pennyfarthing Lane, Undy, Caldicot | Freehold | 64 m² | £143,000 (2017) |
| 24, Pennyfarthing Lane, Undy, Caldicot | Freehold | 80 m² | £140,000 (2011) |
| 26 Pennyfarthing Lane, Undy, Caldicot | Freehold | 85 m² | £187,450 (2017) |
| 28, Pennyfarthing Lane, Undy, Caldicot | Freehold | 67 m² | £68,950 (2000) |
| 29, Pennyfarthing Lane, Undy, Caldicot | Freehold | 146 m² | £370,000 (2018) |
| 30 Pennyfarthing Lane, Undy, Caldicot | Freehold | 72 m² | £283,500 (2022) |
| 31, Pennyfarthing Lane, Undy, Caldicot | Freehold | 154 m² | £370,000 (2021) |
| 33, Pennyfarthing Lane, Undy, Caldicot | Freehold | 55 m² | £145,500 (2014) |
| 34, Pennyfarthing Lane, Undy, Caldicot | - | 67 m² | - |
| 35, Pennyfarthing Lane, Undy, Caldicot | - | 104 m² | - |
| 36, Pennyfarthing Lane, Undy, Caldicot | Freehold | 55 m² | £245,000 (2022) |
| 38, Pennyfarthing Lane, Undy, Caldicot | Freehold | 56 m² | £139,000 (2005) |
| 40 Pennyfarthing Lane, Undy, Caldicot | Freehold | 57 m² | £76,500 (2002) |
| 42, Pennyfarthing Lane, Undy, Caldicot | Freehold | 115 m² | £187,000 (2017) |