| 1 Disgwylfa, Eifl Road, Trefor, Caernarfon | - | 71 m² | - |
| 4 Eifl Road, Trefor, Caernarfon | - | 90 m² | - |
| 8, Eifl Road, Trefor, Caernarfon | Freehold | 96 m² | £100,000 (2021) |
| 10, Eifl Road, Trefor, Caernarfon | Freehold | 103 m² | £105,000 (2017) |
| 12, Eifl Road, Trefor, Caernarfon | - | 98 m² | - |
| 14, Eifl Road, Trefor, Caernarfon | Freehold | 73 m² | £60,000 (2015) |
| 18 Eifl Road, Trefor, Caernarfon | - | 62 m² | - |
| 20, Eifl Road, Trefor, Caernarfon | Freehold | 66 m² | £95,000 (2016) |
| 23 Eifl Road, Trefor, Caernarfon | Freehold | 104 m² | £32,000 (2000) |
| 24 Eifl Road, Trefor, Caernarfon | - | 54 m² | - |
| 29, Eifl Road, Trefor, Caernarfon | - | 62 m² | - |
| 30, Eifl Road, Trefor, Caernarfon | Freehold | 62 m² | £57,500 (2016) |
| 32, Eifl Road, Trefor, Caernarfon | - | 50 m² | - |
| 33, Eifl Road, Trefor, Caernarfon | Freehold | 81 m² | £145,000 (2025) |
| 36 Eifl Road, Trefor, Caernarfon | Freehold | 90 m² | £110,000 (2013) |
| 37, Eifl Road, Trefor, Caernarfon | Freehold | 93 m² | £112,000 (2018) |
| 38, Eifl Road, Trefor, Caernarfon | Freehold | 68 m² | £28,000 (2001) |
| 40 Eifl Road, Trefor, Caernarfon | Freehold | 73 m² | £110,000 (2025) |
| 42 Eifl Road, Trefor, Caernarfon | - | 57 m² | - |
| 44 Eifl Road, Trefor, Caernarfon | Freehold | 99 m² | £125,000 (2011) |
| 45, Eifl Road, Trefor, Caernarfon | Freehold | 23 m² | £176,000 (2022) |
| 45B Eifl Road, Trefor, Caernarfon | Freehold | 24 m² | £48,500 (2018) |
| 46 Eifl Road, Trefor, Caernarfon | Freehold | 75 m² | £100,000 (2012) |
| Pen Hendre, Eifl Road, Trefor, Caernarfon | - | 104 m² | - |
| Penmaen Cottage, Eifl Road, Trefor, Caernarfon | Freehold | 80 m² | £150,000 (2019) |
