| 1 Sunningdale Avenue, Colwyn Bay | Freehold | 136 m² | £267,000 (2021) |
| 2, Sunningdale Avenue, Colwyn Bay | Freehold | 120 m² | £180,000 (2016) |
| 6, Sunningdale Avenue, Colwyn Bay | Freehold | 92 m² | £305,300 (2024) |
| 9, Sunningdale Avenue, Colwyn Bay | Freehold | 78 m² | £145,000 (2016) |
| 11, Sunningdale Avenue, Colwyn Bay | Freehold | 69 m² | £175,000 (2021) |
| 12 Sunningdale Avenue, Colwyn Bay | - | 88 m² | - |
| 14 Sunningdale Avenue, Colwyn Bay | Freehold | 84 m² | £310,000 (2025) |
| 17, Sunningdale Avenue, Colwyn Bay | Freehold | 85 m² | £160,000 (2017) |
| 18 Sunningdale Avenue, Colwyn Bay | - | 100 m² | - |
| 19, Sunningdale Avenue, Colwyn Bay | Freehold | 86 m² | £50,000 (1998) |
| 21, Sunningdale Avenue, Colwyn Bay | - | 97 m² | - |
| 25, Sunningdale Avenue, Colwyn Bay | Freehold | 79 m² | £143,000 (2014) |
| 27, Sunningdale Avenue, Colwyn Bay | Freehold | 121 m² | £240,000 (2021) |
| 28 Sunningdale Avenue, Colwyn Bay | Freehold | 85 m² | £220,000 (2022) |
| 29, Sunningdale Avenue, Colwyn Bay | Freehold | 107 m² | £260,000 (2021) |
| 30, Sunningdale Avenue, Colwyn Bay | Freehold | 84 m² | £140,000 (2011) |
| 31, Sunningdale Avenue, Colwyn Bay | Freehold | 85 m² | £180,000 (2023) |
| 36, Sunningdale Avenue, Colwyn Bay | Freehold | 78 m² | £124,500 (2012) |
| 38, Sunningdale Avenue, Colwyn Bay | Freehold | 74 m² | £46,950 (1997) |
| 42, Sunningdale Avenue, Colwyn Bay | Freehold | 102 m² | £324,000 (2022) |
