| 1, Maes Yr Ysgol, Holyhead | Freehold | 110 m² | £41,000 (1999) |
| 3, Maes Yr Ysgol, Holyhead | - | 81 m² | - |
| 4, Maes Yr Ysgol, Holyhead | - | 81 m² | - |
| 5, Maes Yr Ysgol, Holyhead | - | 81 m² | - |
| 7 Maes Yr Ysgol, Holyhead | - | 75 m² | - |
| 9, Maes Yr Ysgol, Holyhead | Freehold | 78 m² | £75,000 (2019) |
| 10, Maes Yr Ysgol, Holyhead | - | 75 m² | - |
| 11 Maes Yr Ysgol, Caergybi, Ynys Mon | - | 79 m² | - |
| 12 Maes Yr Ysgol, Holyhead, Holyhead | - | 70 m² | - |
| 13 Maes Yr Ysgol, Caergybi, Ynys Mon | - | 79 m² | - |
| 14 Maes Yr Ysgol, Caergybi, Ynys Mon | - | 76 m² | - |
| 15, Maes Yr Ysgol, Holyhead | - | 81 m² | - |
| 16, Maes Yr Ysgol, Holyhead | Freehold | 72 m² | £75,000 (2017) |
| 17 Maes Yr Ysgol, Holyhead | Freehold | 82 m² | £72,500 (2009) |
| 18, Maes Yr Ysgol, Holyhead | - | 81 m² | - |
| 19, Maes Yr Ysgol, Holyhead | - | 76 m² | - |
| 20, Maes Yr Ysgol, Holyhead | Freehold | 80 m² | £68,500 (2009) |
| 21, Maes Yr Ysgol, Holyhead | - | 81 m² | - |
| 22, Maes Yr Ysgol, Holyhead | - | 68 m² | - |
| 23, Maes Yr Ysgol, Holyhead | Freehold | 79 m² | £75,000 (2004) |
| 24, Maes Yr Ysgol, Holyhead | Freehold | 78 m² | £92,500 (2020) |
| 25 Maes Yr Ysgol, Holyhead | Freehold | 79 m² | £70,000 (2018) |
| 26, Maes Yr Ysgol, Holyhead | Freehold | 66 m² | £105,000 (2022) |
| 28 Maes Yr Ysgol, Holyhead | Freehold | 78 m² | £104,000 (2023) |
| 29, Maes Yr Ysgol, Holyhead | - | 75 m² | - |
| 30 Maes Yr Ysgol, Caergybi, Ynys Mon | - | 76 m² | - |
