| 1 Tre Ifan Estate, Caergeiliog, Holyhead | Freehold | 101 m² | £116,000 (2018) |
| 2 Tre Ifan Estate, Caergeiliog, Holyhead | Freehold | 95 m² | £122,000 (2021) |
| 3, Tre Ifan Estate, Caergeiliog, Holyhead | Freehold | 82 m² | £118,000 (2015) |
| 9 Tre Ifan Estate, Caergeiliog, Ynys Mon | - | 87 m² | - |
| 10, Tre Ifan Estate, Caergeiliog, Holyhead | Freehold | 86 m² | £96,000 (2007) |
| 13, Tre Ifan Estate, Caergeiliog, Holyhead | Freehold | 96 m² | £134,000 (2021) |
| 16 Tre Ifan Estate, Caergeiliog, Holyhead | Freehold | 70 m² | £170,000 (2022) |
| 17 Tre Ifan Estate, Caergeiliog, Ynys Mon | - | 63 m² | - |
| 18 Tre Ifan Estate, Caergeiliog, Holyhead | Freehold | 55 m² | £140,000 (2024) |
| 19 Tre Ifan Estate, Caergeiliog, Ynys Mon | - | 63 m² | - |
| 20 Tre Ifan Estate, Caergeiliog, Ynys Mon | - | 63 m² | - |
| 21 Tre Ifan Estate, Caergeiliog, Ynys Mon | - | 63 m² | - |
| 22 Tre Ifan Estate, Caergeiliog, Ynys Mon | - | 87 m² | - |
| 23 Tre Ifan Estate, Caergeiliog, Holyhead | - | 78 m² | - |
| 25 Tre Ifan Estate, Caergeiliog, Ynys Mon | - | 87 m² | - |
| 30, Tre Ifan Estate, Caergeiliog, Holyhead | - | 85 m² | - |
| 32, Tre Ifan Estate, Caergeiliog, Holyhead | Freehold | 89 m² | £95,000 (2016) |
| 33 Tre Ifan Estate, Caergeiliog, Ynys Mon | Freehold | 87 m² | £90,000 (2019) |
| 34 Tre Ifan Estate, Caergeiliog, Holyhead | - | 87 m² | - |
| 35 Tre Ifan Estate, Caergeiliog, Holyhead | - | 108 m² | - |
| 37, Tre Ifan Estate, Caergeiliog, Holyhead | Freehold | 92 m² | £105,500 (2018) |