| 19, Tan Yr Efail, Holyhead | - | 82 m² | - |
| 20 Tan Yr Efail, Caergybi, Ynys Mon | - | 69 m² | - |
| 21 Tan Yr Efail, Caergybi, Ynys Mon | - | 66 m² | - |
| 23, Tan Yr Efail, Holyhead | Freehold | 95 m² | £61,000 (2016) |
| 24, Tan Yr Efail, Holyhead | - | 86 m² | - |
| 26, Tan Yr Efail, Holyhead | - | 76 m² | - |
| 27, Tan Yr Efail, Holyhead | - | 80 m² | - |
| 28 Tan Yr Efail, Caergybi, Ynys Mon | - | 65 m² | - |
| 29 Tan Yr Efail, Caergybi, Ynys Mon | - | 71 m² | - |
| 30, Tan Yr Efail, Holyhead | Freehold | 79 m² | £85,000 (2019) |
| 31, Tan Yr Efail, Holyhead | - | 92 m² | - |
| 32 Tan Yr Efail, Caergybi, Ynys Mon | - | 74 m² | - |
| 33 Tan Yr Efail, Caergybi, Ynys Mon | Freehold | 78 m² | £45,000 (2015) |
| 34, Tan Yr Efail, Holyhead | - | 65 m² | - |
| 35 Tan Yr Efail, Caergybi, Ynys Mon | - | 60 m² | - |
| 37, Tan Yr Efail, Holyhead | - | 66 m² | - |
| 38, Tan Yr Efail, Holyhead | - | 76 m² | - |
| 39 Tan Yr Efail, Caergybi, Ynys Mon | - | 64 m² | - |
| 42, Tan Yr Efail, Holyhead | - | 76 m² | - |
| 43, Tan Yr Efail, Holyhead | - | 92 m² | - |
| 44, Tan Yr Efail, Holyhead | - | 67 m² | - |
| 45, Tan Yr Efail, Holyhead | - | 67 m² | - |
| 46, Tan Yr Efail, Holyhead | - | 76 m² | - |
| 47 Tan Yr Efail, Caergybi, Ynys Mon | - | 67 m² | - |
| 48 Tan Yr Efail, Caergybi, Ynys Mon | - | 67 m² | - |
| 49, Tan Yr Efail, Holyhead | Freehold | 79 m² | £105,000 (2020) |
| 50, Tan Yr Efail, Holyhead | Freehold | 76 m² | £78,500 (2015) |
| 51, Tan Yr Efail, Holyhead | Freehold | 66 m² | £75,000 (2019) |
| 52 Tan Yr Efail, Caergybi, Ynys Mon | - | 64 m² | - |
| 54, Tan Yr Efail, Holyhead | - | 67 m² | - |
| 55, Tan Yr Efail, Holyhead | - | 54 m² | - |
| 56 Tan Yr Efail, Holyhead | - | 64 m² | - |
| 57 Tan Yr Efail, Caergybi, Ynys Mon | - | 62 m² | - |
| 60 Tan Yr Efail, Caergybi, Ynys Mon | - | 70 m² | - |
| 61, Tan Yr Efail, Holyhead | Freehold | 75 m² | £31,000 (2002) |
| 63 Tan Yr Efail, Caergybi, Ynys Mon | - | 75 m² | - |
| 64 Tan Yr Efail, Caergybi, Ynys Mon | - | 65 m² | - |
| 65 Tan Yr Efail, Caergybi, Ynys Mon | - | 79 m² | - |
| 67 Tan Yr Efail, Caergybi, Ynys Mon | - | 74 m² | - |