| 1, First Avenue, Rhos On Sea, Colwyn Bay | - | 74 m² | - |
| 2, First Avenue, Rhos On Sea, Colwyn Bay | Freehold | 92 m² | £140,000 (2019) |
| 3, First Avenue, Rhos On Sea, Colwyn Bay | - | 45 m² | - |
| 4, First Avenue, Rhos On Sea, Colwyn Bay | - | 92 m² | - |
| 5, First Avenue, Rhos On Sea, Colwyn Bay | Freehold | 74 m² | £125,000 (2018) |
| 6, First Avenue, Rhos On Sea, Colwyn Bay | - | 92 m² | - |
| 7, First Avenue, Rhos On Sea, Colwyn Bay | Freehold | 73 m² | £120,000 (2016) |
| 9, First Avenue, Rhos On Sea, Colwyn Bay | - | 74 m² | - |
| 10 First Avenue, Rhos On Sea, Colwyn Bay | - | 91 m² | - |
| 11, First Avenue, Rhos On Sea, Colwyn Bay | - | 74 m² | - |
| 12, First Avenue, Rhos On Sea, Colwyn Bay | Freehold | 94 m² | £140,000 (2020) |
| 13 First Avenue, Rhos On Sea, Colwyn Bay | - | 70 m² | - |
| 14 First Avenue, Rhos On Sea, Colwyn Bay | Freehold | 95 m² | £50,000 (2002) |
| 15, First Avenue, Rhos On Sea, Colwyn Bay | - | 45 m² | - |
| 15A First Avenue, Rhos On Sea, Colwyn Bay | - | 44 m² | - |
| 16 First Avenue, Rhos On Sea, Colwyn Bay | Freehold | 79 m² | £107,000 (2025) |
| 17 First Avenue, Rhos On Sea, Colwyn Bay | - | 44 m² | - |
| 17A, First Avenue, Rhos On Sea, Colwyn Bay | - | 51 m² | - |
| 18 First Avenue, Rhos On Sea, Colwyn Bay | - | 70 m² | - |
| 19 First Avenue, Rhos On Sea, Colwyn Bay | - | 70 m² | - |
| 20 First Avenue, Rhos On Sea, Colwyn Bay | Freehold | 114 m² | £230,000 (2024) |
| 21, First Avenue, Rhos On Sea, Colwyn Bay | - | 74 m² | - |
| 22, First Avenue, Rhos On Sea, Colwyn Bay | - | 92 m² | - |
| 23 First Avenue, Rhos On Sea, Colwyn Bay | Freehold | 76 m² | £192,000 (2024) |
| 25 First Avenue, Rhos On Sea, Colwyn Bay | - | 70 m² | - |
| 26, First Avenue, Rhos On Sea, Colwyn Bay | - | 92 m² | - |
| 27, First Avenue, Rhos On Sea, Colwyn Bay | - | 74 m² | - |
| 28, First Avenue, Rhos On Sea, Colwyn Bay | - | 92 m² | - |
| 29 First Avenue, Rhos On Sea, Rhos On Sea | - | 74 m² | - |
| 30 First Avenue, Rhos On Sea, Colwyn Bay | - | 93 m² | - |
| 32, First Avenue, Rhos On Sea, Colwyn Bay | - | 92 m² | - |