| 3 Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 53 m² | £130,000 (2025) |
| 5, Pen Y Bryn, Old Colwyn, Colwyn Bay | - | 54 m² | - |
| 7, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 54 m² | £126,000 (2023) |
| 8, Pen Y Bryn, Old Colwyn, Colwyn Bay | - | 71 m² | - |
| 9, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 62 m² | £117,000 (2024) |
| 10, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 114 m² | £18,000 (2003) |
| 11 Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 51 m² | £91,200 (2005) |
| 15 Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 56 m² | £108,000 (2025) |
| 16A, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 39 m² | £110,000 (2022) |
| 16B Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 48 m² | £39,000 (2013) |
| 16C, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 36 m² | £85,000 (2016) |
| 19, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 57 m² | £97,500 (2020) |
| 20 Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 65 m² | £115,000 (2021) |
| 21, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 90 m² | £138,000 (2025) |
| 23, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 72 m² | £70,000 (2013) |
| 24, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 84 m² | £102,000 (2004) |
| 25, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 63 m² | £40,950 (2001) |
| 25A, Pen Y Bryn, Old Colwyn, Colwyn Bay | - | 66 m² | - |
| 29 Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 75 m² | £100,000 (2010) |
| 31, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 64 m² | £105,260 (2018) |
| 33, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 66 m² | £92,000 (2018) |
| 34 Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 52 m² | £96,000 (2005) |
| 35, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 57 m² | £87,000 (2004) |
| 36 Pen Y Bryn, Old Colwyn, Colwyn Bay | - | 79 m² | - |
| 38, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 78 m² | £123,000 (2015) |
| 39, Pen Y Bryn, Old Colwyn, Colwyn Bay | - | 72 m² | - |
| 41, Pen Y Bryn, Old Colwyn, Colwyn Bay | - | 72 m² | - |
| 43, Pen Y Bryn, Old Colwyn, Colwyn Bay | - | 72 m² | - |
| 44 Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 94 m² | £220,000 (2024) |
| 45, Pen Y Bryn, Old Colwyn, Colwyn Bay | - | 72 m² | - |
| 49, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 65 m² | £89,950 (2013) |
| 51 Pen Y Bryn, Old Colwyn, Colwyn Bay, Colwyn Bay | Freehold | 65 m² | £72,000 (2013) |
| 53, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 70 m² | £93,000 (2015) |
| 55, Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 81 m² | £110,000 (2020) |
| 57 Pen Y Bryn, Old Colwyn, Colwyn Bay | Freehold | 64 m² | £122,950 (2024) |