| Flat 1 Castle Hill Court, 21-23, Castle Hill Avenue, Folkestone | Leasehold | 108 m² | £323,000 (2023) |
| Flat 1, 19 Castle Hill Avenue, Folkestone | - | 45 m² | - |
| Flat 1, 25, Castle Hill Avenue, Folkestone | - | 113 m² | - |
| Flat 2, 25 Castle Hill Avenue, Folkestone | Leasehold | 100 m² | £125,000 (2014) |
| Flat 2, Castle Hill Court 21-23, Castle Hill Avenue, Folkestone | Leasehold | 91 m² | £295,000 (2022) |
| Flat 3, 19 Castle Hill Avenue, Folkestone | - | 48 m² | - |
| Flat 3, 25 Castle Hill Avenue, Folkestone | Leasehold | 102 m² | £18,000 (1997) |
| Flat 3, 27 Castle Hill Avenue, Folkestone | Leasehold | 81 m² | £200,000 (2024) |
| Flat 4, 19 Castle Hill Avenue, Folkestone | - | 54 m² | - |
| Flat 4, Castle Hill Court 21-23, Castle Hill Avenue, Folkestone | Leasehold | 98 m² | £167,000 (2017) |
| Flat 5, 19 Castle Hill Avenue, Folkestone | - | 54 m² | - |
| Flat 5, 21-23 Castle Hill Avenue, Folkestone, Folkestone | Leasehold | 93 m² | £173,000 (2021) |
| Flat 5, 25, Castle Hill Avenue, Folkestone | Leasehold | 80 m² | £66,000 (2005) |
| Flat 5, 27 Castle Hill Avenue, Folkestone | - | 83 m² | - |
| Flat 6, 19 Castle Hill Avenue, Folkestone | - | 43 m² | - |
| Flat 6, Castle Hill Court 21-23, Castle Hill Avenue, Folkestone | Leasehold | 124 m² | £310,000 (2026) |
| Flat 7 Castle Hill Court, 21-23, Castle Hill Avenue, Folkestone | Leasehold | 52 m² | £204,000 (2019) |
| Flat 7, 19 Castle Hill Avenue, Folkestone | - | 52 m² | - |
| Flat 8 21-23 Castle Hill Avenue, Folkestone | Leasehold | 99 m² | £250,000 (2021) |
| Flat 8, 19 Castle Hill Avenue, Folkestone | - | 40 m² | - |
| Flat 9, 19 Castle Hill Avenue, Folkestone | - | 51 m² | - |
| Flat 9, Castle Hill Court 21-23, Castle Hill Avenue, Folkestone | Leasehold | 95 m² | £207,000 (2022) |
| Flat 10 Castle Hill Court, 21-23, Castle Hill Avenue, Folkestone | - | 92 m² | - |
| Flat 10, 19 Castle Hill Avenue, Folkestone | - | 40 m² | - |
| Unit 2, 19 Castle Hill Avenue, Folkestone | - | 50 m² | - |
