| 41 Heol Gwyndaf, Undy, Caldicot | - | 61 m² | - |
| 43 Heol Gwyndaf, Undy, Caldicot | - | 61 m² | - |
| 45 Heol Gwyndaf, Undy, Caldicot | - | 61 m² | - |
| 47 Heol Gwyndaf, Undy, Caldicot | - | 61 m² | - |
| 49 Heol Gwyndaf, Undy, Caldicot | - | 61 m² | - |
| 51 Heol Gwyndaf, Undy, Caldicot | - | 61 m² | - |
| 53 Heol Gwyndaf, Undy, Caldicot | - | 61 m² | - |
| 55 Heol Gwyndaf, Undy, Caldicot | - | 61 m² | - |
| 57 Heol Gwyndaf, Undy, Caldicot | - | 61 m² | - |
| 59 Heol Gwyndaf, Undy, Caldicot | Freehold | 60 m² | £253,495 (2025) |
| 61 Heol Gwyndaf, Undy, Caldicot | Freehold | 60 m² | £249,995 (2025) |
| 63 Heol Gwyndaf, Undy, Caldicot | Freehold | 60 m² | £246,995 (2025) |
| 65 Heol Gwyndaf, Undy, Caldicot | Freehold | 126 m² | £399,995 (2025) |
| 67 Heol Gwyndaf, Undy, Caldicot | Freehold | 60 m² | £264,995 (2025) |
| 69 Heol Gwyndaf, Undy, Caldicot | - | 60 m² | - |
| 71 Heol Gwyndaf, Undy, Caldicot | - | 90 m² | - |
| 73 Heol Gwyndaf, Undy, Caldicot | - | 80 m² | - |
| 75 Heol Gwyndaf, Undy, Caldicot | - | 80 m² | - |
| 77 Heol Gwyndaf, Undy, Caldicot | - | 95 m² | - |
| 79 Heol Gwyndaf, Undy, Caldicot | - | 50 m² | - |
| 81 Heol Gwyndaf, Undy, Caldicot | - | 62 m² | - |
| 83 Heol Gwyndaf, Undy, Caldicot | - | 80 m² | - |
| 84 Heol Gwyndaf, Undy, Caldicot | - | 103 m² | - |
| 85 Heol Gwyndaf, Undy, Caldicot | - | 80 m² | - |
| 86 Heol Gwyndaf, Undy, Caldicot | - | 103 m² | - |
| 87 Heol Gwyndaf, Undy, Caldicot | Freehold | 126 m² | £405,995 (2025) |
| 88 Heol Gwyndaf, Undy, Caldicot | - | 102 m² | - |
| 89 Heol Gwyndaf, Undy, Caldicot | Freehold | 126 m² | £395,995 (2025) |
| 90 Heol Gwyndaf, Undy, Caldicot | Freehold | 105 m² | £330,000 (2025) |
| 91 Heol Gwyndaf, Undy, Caldicot | - | 80 m² | - |
| 92 Heol Gwyndaf, Undy, Caldicot | Freehold | 105 m² | £330,000 (2025) |
| 93 Heol Gwyndaf, Undy, Caldicot | - | 80 m² | - |
| 94 Heol Gwyndaf, Undy, Caldicot | Freehold | 105 m² | £324,200 (2025) |
| 95 Heol Gwyndaf, Undy, Caldicot | - | 90 m² | - |
| 96 Heol Gwyndaf, Undy, Caldicot | Freehold | 105 m² | £330,000 (2025) |
| 97 Heol Gwyndaf, Undy, Caldicot | - | 80 m² | - |
| 98 Heol Gwyndaf, Undy, Caldicot | Freehold | 103 m² | £375,000 (2025) |
| 99 Heol Gwyndaf, Undy, Caldicot | - | 62 m² | - |
| 100 Heol Gwyndaf, Undy, Caldicot | - | 137 m² | - |
| 101 Heol Gwyndaf, Undy, Caldicot | - | 50 m² | - |
| 102 Heol Gwyndaf, Undy, Caldicot | Freehold | 137 m² | £365,000 (2025) |
