| 1, Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 114 m² | £180,000 (2016) |
| 2, Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 120 m² | £250,000 (2020) |
| 3 Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 118 m² | £225,000 (2024) |
| 5, Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 81 m² | £167,000 (2007) |
| 7 Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 118 m² | £184,500 (2025) |
| 9 Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 92 m² | £200,000 (2024) |
| 10 Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 134 m² | £230,000 (2025) |
| 11 Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 83 m² | £210,000 (2025) |
| 13 Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 100 m² | £276,000 (2025) |
| 15, Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 123 m² | £137,500 (2013) |
| 18, Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 117 m² | £172,500 (2018) |
| 19, Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 103 m² | £242,500 (2019) |
| 21, Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 104 m² | £225,000 (2017) |
| 22, Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 135 m² | £237,500 (2020) |
| 23, Smith Avenue, Old Colwyn, Colwyn Bay | - | 75 m² | - |
| 26 Smith Avenue, Old Colwyn, Colwyn Bay, Colwyn Bay | Freehold | 128 m² | £220,000 (2021) |
| 27 Smith Avenue, Old Colwyn, Colwyn Bay | Freehold | 68 m² | £215,000 (2024) |
| 30 Smith Avenue, Old Colwyn, Colwyn Bay | - | 151 m² | - |
| 31 Smith Avenue, Old Colwyn, Colwyn Bay, Colwyn Bay | - | 107 m² | - |
| 32, Smith Avenue, Old Colwyn, Colwyn Bay | - | 209 m² | - |