| Flat 1 Harvey Hall, 16-18, Castle Hill Avenue, Folkestone | Leasehold | 85 m² | £185,000 (2019) |
| Flat 1 Hillstone Court, 22-24, Castle Hill Avenue, Folkestone | Leasehold | 58 m² | £129,000 (2019) |
| Flat 1, 2, Castle Hill Avenue, Folkestone | - | 74 m² | - |
| Flat 1, 10, Castle Hill Avenue, Folkestone | Leasehold | 96 m² | £125,000 (2011) |
| Flat 1, 12 Castle Hill Avenue, Folkestone | - | 99 m² | - |
| Flat 1, 20, Castle Hill Avenue, Folkestone | Leasehold | 125 m² | £175,000 (2020) |
| Flat 1, 26, Castle Hill Avenue, Folkestone | Leasehold | 87 m² | £195,000 (2023) |
| Flat 1, 28, Castle Hill Avenue, Folkestone | Leasehold | 76 m² | £150,000 (2021) |
| Flat 1, Banque House Apartments, 4 Castle Hill Avenue, Folkestone | Leasehold | 53 m² | £113,000 (2018) |
| Flat 1, Dinard Court, 6 Castle Hill Avenue, Folkestone | Leasehold | 95 m² | £155,000 (2021) |
| Flat 2 Hillstone Court, 22-24, Castle Hill Avenue, Folkestone | Leasehold | 55 m² | £132,500 (2018) |
| Flat 2, 2 Castle Hill Avenue, Folkestone | Freehold | 40 m² | £710,000 (2022) |
| Flat 2, 10 Castle Hill Avenue, Folkestone | - | 71 m² | - |
| Flat 2, 12 Castle Hill Avenue, Folkestone | - | 67 m² | - |
| Flat 2, 20 Castle Hill Avenue, Folkestone, Folkestone | Leasehold | 54 m² | £50,000 (2010) |
| Flat 2, 26, Castle Hill Avenue, Folkestone | Leasehold | 72 m² | £35,000 (2000) |
| Flat 2, 28, Castle Hill Avenue, Folkestone | Leasehold | 29 m² | £96,500 (2020) |
| Flat 2, Banque House, 4 Castle Hill Avenue, Folkestone | Leasehold | 44 m² | £125,000 (2016) |
| Flat 2, Burley Court, 8 Castle Hill Avenue, Folkestone | Leasehold | 79 m² | £115,000 (2017) |
| Flat 2, Harvey Hall 16-18, Castle Hill Avenue, Folkestone | Leasehold | 82 m² | £165,000 (2021) |
| Flat 3 Burley Court, 8, Castle Hill Avenue, Folkestone | Leasehold | 84 m² | £140,000 (2015) |
| Flat 3 Harvey Hall, 16-18, Castle Hill Avenue, Folkestone | Leasehold | 65 m² | £172,250 (2008) |
| Flat 3, 2 Castle Hill Avenue, Folkestone | - | 46 m² | - |
| Flat 3, 12 Castle Hill Avenue, Folkestone | - | 64 m² | - |
| Flat 3, 20 Castle Hill Avenue, Folkestone | Leasehold | 71 m² | £110,000 (2016) |
| Flat 3, 26, Castle Hill Avenue, Folkestone | Leasehold | 70 m² | £127,000 (2012) |
| Flat 3, 28, Castle Hill Avenue, Folkestone | Leasehold | 44 m² | £127,000 (2021) |
| Flat 3, Banque House, 4 Castle Hill Avenue, Folkestone | Leasehold | 38 m² | £113,000 (2019) |
| Flat 3, Hillstone Court 22-24, Castle Hill Avenue, Folkestone | Leasehold | 61 m² | £120,000 (2004) |
| Flat 4, 2 Castle Hill Avenue, Folkestone | - | 51 m² | - |
| Flat 4, 10, Castle Hill Avenue, Folkestone | Leasehold | 69 m² | £94,950 (2003) |
| Flat 4, 12, Castle Hill Avenue, Folkestone | - | 67 m² | - |
| Flat 4, 20, Castle Hill Avenue, Folkestone | Leasehold | 66 m² | £115,000 (2008) |
| Flat 4, 26, Castle Hill Avenue, Folkestone | Leasehold | 74 m² | £220,000 (2023) |
| Flat 4, 28, Castle Hill Avenue, Folkestone | Leasehold | 64 m² | £161,000 (2020) |
| Flat 4, Banque House Apartments, 4 Castle Hill Avenue, Folkestone | Leasehold | 33 m² | £150,000 (2017) |
| Flat 4, Burley Court, 8 Castle Hill Avenue, Folkestone | Leasehold | 74 m² | £125,000 (2005) |
| Flat 4, Dinard Court, 6, Castle Hill Avenue, Folkestone | Leasehold | 81 m² | £117,000 (2016) |
| Flat 4, Harvey Hall 16-18, Castle Hill Avenue, Folkestone | Leasehold | 94 m² | £170,000 (2009) |
| Flat 4, Hillstone Court, 22-24, Castle Hill Avenue, Folkestone | Leasehold | 54 m² | £170,000 (2022) |
| Flat 5 Harvey Hall, 16-18, Castle Hill Avenue, Folkestone | Leasehold | 62 m² | £167,000 (2021) |
| Flat 5, 2 Castle Hill Avenue, Folkestone | - | 83 m² | - |
| Flat 5, 10 Castle Hill Avenue, Folkestone | Leasehold | 91 m² | £190,000 (2023) |
| Flat 5, 12 Castle Hill Avenue, Folkestone | - | 80 m² | - |
| Flat 5, 20 Castle Hill Avenue, Folkestone | Leasehold | 105 m² | £232,000 (2022) |
| Flat 5, 26, Castle Hill Avenue, Folkestone | - | 98 m² | - |
| Flat 5, 28, Castle Hill Avenue, Folkestone | Leasehold | 60 m² | £153,750 (2019) |
| Flat 5, Banque House, 4 Castle Hill Avenue, Folkestone | Leasehold | 66 m² | £150,000 (2016) |
| Flat 5, Burley Court, 8 Castle Hill Avenue, Folkestone | Leasehold | 98 m² | £134,000 (2006) |
| Flat 5, Hillstone Court 22-24, Castle Hill Avenue, Folkestone | Leasehold | 62 m² | £114,000 (2005) |
| Flat 6, 2 Castle Hill Avenue, Folkestone | - | 42 m² | - |
| Flat 6, 28, Castle Hill Avenue, Folkestone | Leasehold | 50 m² | £131,000 (2020) |
| Flat 6, Banque House, 4 Castle Hill Avenue, Folkestone | Leasehold | 39 m² | £110,000 (2016) |
| Flat 6, Harvey Hall, 16-18 Castle Hill Avenue, Folkestone | Leasehold | 91 m² | £188,000 (2017) |
| Flat 6, Hillstone Court, 22-24, Castle Hill Avenue, Folkestone | Leasehold | 58 m² | £90,000 (2012) |
| Flat 7 Hillstone Court, 22-24, Castle Hill Avenue, Folkestone | Leasehold | 58 m² | £155,000 (2018) |
| Flat 7, 2 Castle Hill Avenue, Folkestone | - | 41 m² | - |
| Flat 7, Banque House, 4 Castle Hill Avenue, Folkestone | Leasehold | 33 m² | £125,000 (2022) |
| Flat 7, Harvey Hall 16-18, Castle Hill Avenue, Folkestone | Leasehold | 73 m² | £165,000 (2021) |
| Flat 8 Hillstone Court, 22-24, Castle Hill Avenue, Folkestone | Leasehold | 58 m² | £215,000 (2023) |
| Flat 8, 2 Castle Hill Avenue, Folkestone | - | 43 m² | - |
| Flat 8, Banque House Apartments, 4 Castle Hill Avenue, Folkestone | Leasehold | 48 m² | £97,500 (2015) |
| Flat 8, Harvey Hall 16-18, Castle Hill Avenue, Folkestone | Leasehold | 56 m² | £154,000 (2019) |
| Flat 9 Hillstone Court, 22-24, Castle Hill Avenue, Folkestone | Leasehold | 62 m² | £33,000 (1997) |
| Flat 9, 2 Castle Hill Avenue, Folkestone | - | 39 m² | - |
| Flat 9, Banque House, 4 Castle Hill Avenue, Folkestone | Leasehold | 31 m² | £140,000 (2022) |
| Flat 9, Harvey Hall 16-18, Castle Hill Avenue, Folkestone | Leasehold | 125 m² | £135,000 (2013) |
| Flat 10, 2 Castle Hill Avenue, Folkestone | - | 41 m² | - |
| Flat 10, Harvey Hall 16-18, Castle Hill Avenue, Folkestone | Leasehold | 64 m² | £158,000 (2018) |
| Flat 10, Hillstone Court, 22-24, Castle Hill Avenue, Folkestone | Leasehold | 59 m² | £160,000 (2020) |
| Flat 11, 2 Castle Hill Avenue, Folkestone | - | 42 m² | - |
| Flat B, 14 Castle Hill Avenue, Folkestone | Leasehold | 73 m² | £125,000 (2014) |
| Flat C, 14, Castle Hill Avenue, Folkestone | Leasehold | 73 m² | £187,333 (2021) |
| Flat D, 14 Castle Hill Avenue, Folkestone | Leasehold | 64 m² | £105,000 (2015) |
| Flat E, 14 Castle Hill Avenue, Folkestone | Leasehold | 80 m² | £134,995 (2007) |