| 2 Castle Avenue, Broadstairs | - | 87 m² | - |
| 3, Castle Avenue, Broadstairs | Freehold | 160 m² | £296,000 (2010) |
| 5, Castle Avenue, Broadstairs | Freehold | 79 m² | £600,000 (2021) |
| 7 Castle Avenue, Broadstairs | Freehold | 162 m² | £520,000 (2017) |
| 9 Castle Avenue, Broadstairs | - | 182 m² | - |
| 11 Castle Avenue, Broadstairs | Freehold | 158 m² | £645,000 (2025) |
| 15, Castle Avenue, Broadstairs | Freehold | 161 m² | £390,000 (2014) |
| 17 Castle Avenue, Broadstairs | Freehold | 85 m² | £400,000 (2025) |
| 20 Castle Avenue, Broadstairs, Broadstairs | Freehold | 88 m² | £475,000 (2021) |
| 21 Castle Avenue, Broadstairs | Freehold | 81 m² | £285,000 (2012) |
| 22, Castle Avenue, Broadstairs | Freehold | 86 m² | £410,000 (2020) |
| 23 Castle Avenue, Broadstairs | Freehold | 81 m² | £365,000 (2025) |
| 25 Castle Avenue, Broadstairs | Freehold | 107 m² | £425,000 (2021) |
| 27, Castle Avenue, Broadstairs | Freehold | 79 m² | £365,000 (2025) |
| 28, Castle Avenue, Broadstairs | Freehold | 93 m² | £373,800 (2019) |
| 29 Castle Avenue, Broadstairs | Freehold | 95 m² | £405,000 (2026) |
| 32, Castle Avenue, Broadstairs | - | 140 m² | - |
| 33, Castle Avenue, Broadstairs | Freehold | 98 m² | £267,500 (2013) |
| 35, Castle Avenue, Broadstairs | Freehold | 71 m² | £300,000 (2014) |
| 36 Castle Avenue, Broadstairs | Freehold | 106 m² | £177,000 (2003) |
| 38, Castle Avenue, Broadstairs | Freehold | 142 m² | £421,000 (2016) |
| 39 Castle Avenue, Broadstairs | - | 105 m² | - |
| 40, Castle Avenue, Broadstairs | Freehold | 146 m² | £90,000 (1998) |
| 42, Castle Avenue, Broadstairs | Freehold | 169 m² | £975,000 (2022) |
