| 20A Mostyn Avenue, Llandudno | - | 82 m² | - |
| 32, Mostyn Avenue, Llandudno | - | 53 m² | - |
| 34, Mostyn Avenue, Llandudno | Freehold | 295 m² | £237,000 (2005) |
| 45 Mostyn Avenue, Craig Y Don, Llandudno | Leasehold | 103 m² | £126,000 (2015) |
| 47, Mostyn Avenue, Llandudno | Freehold | 244 m² | £249,950 (2008) |
| 49, Mostyn Avenue, Llandudno | Freehold | 76 m² | £235,000 (2006) |
| 55 Mostyn Avenue, Llandudno | - | 232 m² | - |
| 57, Mostyn Avenue, Llandudno | Freehold | 75 m² | £150,000 (2021) |
| Flat 1, 30, Mostyn Avenue, Llandudno | - | 132 m² | - |
| Flat 1, 32 Mostyn Avenue, Craig Y Don, Llandudno | - | 62 m² | - |
| Flat 1, 35 Mostyn Avenue, Llandudno | - | 34 m² | - |
| Flat 1, 37, Mostyn Avenue, Llandudno | Leasehold | 56 m² | £97,000 (2020) |
| Flat 1, 49 Mostyn Avenue, Llandudno | - | 44 m² | - |
| Flat 1, 51, Mostyn Avenue, Llandudno | - | 42 m² | - |
| Flat 1, 53 Mostyn Avenue, Llandudno | - | 76 m² | - |
| Flat 2, 32 Mostyn Avenue, Craig Y Don, Llandudno | - | 50 m² | - |
| Flat 2, 35 Mostyn Avenue, Craig Y Don, Llandudno | - | 109 m² | - |
| Flat 2, 37, Mostyn Avenue, Llandudno | Leasehold | 62 m² | £109,000 (2011) |
| Flat 2, 51 Mostyn Avenue, Llandudno | - | 35 m² | - |
| Flat 2, 53 Mostyn Avenue, Llandudno | - | 71 m² | - |
| Flat 2, 57 Mostyn Avenue, Llandudno | - | 47 m² | - |
| Flat 2, Halcyon, 49 Mostyn Avenue, Llandudno | Leasehold | 53 m² | £120,000 (2024) |
| Flat 3 53, Mostyn Ave, Llandudno | - | 66 m² | - |
| Flat 3, 32 Mostyn Avenue, Craig Y Don, Llandudno | - | 38 m² | - |
| Flat 3, 35 Mostyn Avenue, Llandudno | Leasehold | 64 m² | £110,000 (2025) |
| Flat 3, 37, Mostyn Avenue, Llandudno | Leasehold | 73 m² | £90,000 (2017) |
| Flat 3, 49 Mostyn Avenue, Llandudno | - | 48 m² | - |
| Flat 3, 51, Mostyn Avenue, Llandudno | - | 44 m² | - |
| Flat 3, 57 Mostyn Avenue, Craig Y Don, Llandudno | - | 53 m² | - |
| Flat 4, 32 Mostyn Avenue, Craig Y Don, Llandudno | - | 62 m² | - |
| Flat 4, 35, Mostyn Avenue, Llandudno | - | 71 m² | - |
| Flat 4, 37 Mostyn Avenue, Llandudno | Leasehold | 66 m² | £100,000 (2023) |
| Flat 4, 49 Mostyn Avenue, Llandudno | Leasehold | 46 m² | £120,000 (2008) |
| Flat 4, 51, Mostyn Avenue, Llandudno | - | 33 m² | - |
| Flat 5, 32 Mostyn Avenue, Llandudno | Leasehold | 39 m² | £75,000 (2018) |
| Flat 5, 51, Mostyn Avenue, Llandudno | - | 27 m² | - |
| Flat 5, Halcyon, 49 Mostyn Avenue, Llandudno | - | 63 m² | - |
| Flat 6, 51, Mostyn Avenue, Llandudno | - | 39 m² | - |
| Flat, 39 Mostyn Avenue, Llandudno | - | 277 m² | - |
| The Maisonette, 28, Mostyn Avenue, Llandudno | Leasehold | 142 m² | £140,000 (2020) |
