| 1, Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 82 m² | £44,000 (2000) |
| 2 Ellis Avenue, Old Colwyn, Colwyn Bay, Colwyn Bay | - | 99 m² | - |
| 3 Ellis Avenue, Old Colwyn, Colwyn Bay | - | 115 m² | - |
| 4, Ellis Avenue, Old Colwyn, Colwyn Bay | - | 91 m² | - |
| 5, Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 93 m² | £121,000 (2019) |
| 7, Ellis Avenue, Old Colwyn, Colwyn Bay | - | 90 m² | - |
| 8 Ellis Avenue, Old Colwyn, Colwyn Bay | - | 82 m² | - |
| 9 Ellis Avenue, Old Colwyn, Colwyn Bay | - | 91 m² | - |
| 11, Ellis Avenue, Old Colwyn, Colwyn Bay | - | 90 m² | - |
| 12, Ellis Avenue, Old Colwyn, Colwyn Bay | - | 87 m² | - |
| 14 Ellis Avenue, Old Colwyn, Colwyn Bay, Colwyn Bay | - | 87 m² | - |
| 15 Ellis Avenue, Old Colwyn, Colwyn Bay | - | 90 m² | - |
| 19 Ellis Avenue, Old Colwyn, Colwyn Bay, Colwyn Bay | - | 94 m² | - |
| 20 Ellis Avenue, Old Colwyn, Colwyn Bay | - | 88 m² | - |
| 23 Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 90 m² | £79,000 (2013) |
| 25 Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 88 m² | £123,500 (2023) |
| 26 Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 89 m² | £130,000 (2022) |
| 27 Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 92 m² | £97,500 (2006) |
| 28, Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 85 m² | £130,000 (2006) |
| 30 Ellis Avenue, Old Colwyn, Colwyn Bay | - | 94 m² | - |
| 34 Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 84 m² | £129,500 (2022) |
| 36, Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 83 m² | £83,500 (2013) |
| 38, Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 91 m² | £125,000 (2007) |
| 40, Ellis Avenue, Old Colwyn, Colwyn Bay | - | 90 m² | - |
| 42 Ellis Avenue, Old Colwyn, Colwyn Bay, Colwyn Bay | - | 95 m² | - |
| 44, Ellis Avenue, Old Colwyn, Colwyn Bay | Freehold | 95 m² | £135,000 (2018) |
| 46, Ellis Avenue, Old Colwyn, Colwyn Bay | - | 92 m² | - |