| 12 Mostyn Avenue, Craig Y Don, Llandudno | Freehold | 120 m² | £107,000 (2015) |
| 17A Mostyn Avenue, Llandudno | - | 153 m² | - |
| 19A Mostyn Avenue, Llandudno | Leasehold | 147 m² | £199,950 (2025) |
| 27A, Mostyn Avenue, Llandudno | - | 140 m² | - |
| First Floor Flat, 23, Mostyn Avenue, Llandudno | Leasehold | 54 m² | £60,000 (2020) |
| Flat 1 Ronald Court, Mostyn Avenue, Llandudno | Leasehold | 74 m² | £95,000 (2019) |
| Flat 1, 3-5, Mostyn Avenue, Llandudno | Leasehold | 47 m² | £160,000 (2006) |
| Flat 1, 4 Mostyn Avenue, Craig Y Don, Llandudno | - | 68 m² | - |
| Flat 1, 7 Mostyn Avenue, Llandudno | Leasehold | 25 m² | £25,000 (2022) |
| Flat 1, 13 Mostyn Avenue, Craig Y Don, Llandudno | - | 63 m² | - |
| Flat 1, 23A Mostyn Avenue, Llandudno | Leasehold | 27 m² | £61,000 (2023) |
| Flat 2, 3-5, Mostyn Avenue, Llandudno | Leasehold | 44 m² | £87,000 (2023) |
| Flat 2, 4 Mostyn Avenue, Llandudno | - | 46 m² | - |
| Flat 2, 7 Mostyn Avenue, Llandudno | Leasehold | 57 m² | £69,000 (2011) |
| Flat 2, 13 Mostyn Avenue, Craig Y Don, Llandudno | - | 71 m² | - |
| Flat 2, 14A Mostyn Avenue, Llandudno | Leasehold | 46 m² | £94,000 (2017) |
| Flat 2, 23A Mostyn Avenue, Craig Y Don, Llandudno | - | 37 m² | - |
| Flat 2, Ronald Court, Mostyn Avenue, Llandudno | - | 83 m² | - |
| Flat 3, 3-5, Llandudno | Leasehold | 37 m² | £85,000 (2022) |
| Flat 3, 4 Mostyn Avenue, Craig-Y-Don, Llandudno | - | 47 m² | - |
| Flat 3, 7, Mostyn Avenue, Llandudno | Leasehold | 30 m² | £43,000 (2016) |
| Flat 3, 13 Mostyn Avenue, Craig Y Don, Llandudno | - | 53 m² | - |
| Flat 3, 23A Mostyn Avenue, Craig Y Don, Llandudno | Leasehold | 50 m² | £78,000 (2024) |
| Flat 3, Ronald Court, Mostyn Avenue, Llandudno | Leasehold | 75 m² | £150,000 (2022) |
| Flat 4, 3-5, Mostyn Avenue, Llandudno | Leasehold | 42 m² | £160,000 (2006) |
| Flat 4, 7, Mostyn Avenue, Llandudno | Leasehold | 60 m² | £49,000 (2017) |
| Flat 4, Ronald Court, Mostyn Avenue, Llandudno | Leasehold | 72 m² | £122,500 (2022) |
| Flat 5 Ronald Court, Mostyn Avenue, Llandudno | Leasehold | 92 m² | £95,000 (2025) |
| Flat 5, 3-5, Mostyn Avenue, Llandudno | Leasehold | 58 m² | £110,500 (2023) |
| Flat 5, 7, Mostyn Avenue, Llandudno | Leasehold | 53 m² | £89,950 (2025) |
| Flat 6 Ronald Court, Mostyn Avenue, Llandudno | Leasehold | 92 m² | £92,000 (2015) |
| Flat 6, 3-5, Mostyn Avenue, Llandudno | Leasehold | 53 m² | £107,000 (2020) |
| Flat 7, 3-5, Mostyn Avenue, Llandudno | Leasehold | 53 m² | £110,000 (2020) |
| Flat 8, 3-5, Mostyn Avenue, Llandudno | Leasehold | 51 m² | £185,000 (2006) |
| Flat 9, 3-5, Mostyn Avenue, Llandudno | Leasehold | 57 m² | £121,500 (2024) |
| Flat 10, 3-5, Mostyn Avenue, Llandudno | Leasehold | 47 m² | £105,000 (2023) |
| Flat 11, Broadway Court, 3-5 Mostyn Avenue, Llandudno | Leasehold | 61 m² | £110,000 (2021) |
| Flat 12, Broadway Court, 3-5 Mostyn Avenue, Llandudno | Leasehold | 43 m² | £110,000 (2023) |
| Studio Flat, 2A Mostyn Avenue, Llandudno | - | 78 m² | - |
