| 2, Retanna Holiday Park, Underlane Edgecumbe | - | 52 m² | - |
| 3 Retanna Holiday Park, Underlane, Wendron | - | 31 m² | - |
| 8, Retanna Holiday Park, Underlane | - | 40 m² | - |
| 12, Retanna Holiday Park, Underlane | - | 36 m² | - |
| 13, Retanna Holiday Park, Underlane | - | 39 m² | - |
| 19, Retanna Holiday Park, Underlane | - | 38 m² | - |
| 21, Retanna Holiday Park, Underlane | Freehold | 42 m² | £180,000 (2018) |
| 22, Retanna Holiday Park, Underlane | - | 39 m² | - |
| 23, Retanna Holiday Park, Underlane | - | 26 m² | - |
| 24, Retanna Holiday Park, Underlane | - | 43 m² | - |
| 25, Retanna Holiday Park, Underlane | - | 42 m² | - |
| 26, Retanna Holiday Park, Underlane | - | 40 m² | - |
| 27, Retanna Holiday Park, Underlane | - | 38 m² | - |
| 28, Retanna Holiday Park, Underlane | - | 43 m² | - |
| 29, Retanna Holiday Park, Underlane | - | 31 m² | - |
| 31, Retanna Holiday Park, Underlane | - | 26 m² | - |
| 32, Retanna Holiday Park, Underlane | - | 39 m² | - |
| 36, Retanna Holiday Park, Underlane | - | 27 m² | - |
| 40, Retanna Holiday Park, Underlane | - | 38 m² | - |
| Annexe, Spring Cottage, Underlane, Wendron, Helston | - | 79 m² | - |
| Polviscar, Underlane, Helston | Freehold | 225 m² | £250,000 (2011) |
| Retanna Holiday Park, Underlane, Helston | Freehold | 199 m² | £470,000 (2017) |
| Retanna Lodge, Retanna Country Park, Underlane, Wendron | - | 191 m² | - |
| Tanglewood Cottage, Underlane, Helston | Freehold | 97 m² | £328,000 (2021) |
| Vicarage Farm, Underlane, Helston | Freehold | 140 m² | £700,000 (2019) |
| Vicarage Lodge, Underlane, Helston | - | 43 m² | - |
| Viscar Farm, Underlane, Helston | Freehold | 118 m² | £960,000 (2024) |
