| Flat 1, Castle Court, Benfleet | Leasehold | 66 m² | £136,000 (2026) |
| Flat 2 Castle Court, Castle Lane, Benfleet | - | 63 m² | - |
| Flat 3 Castle Court, Castle Lane, Benfleet | Leasehold | 66 m² | £190,000 (2021) |
| Flat 4, Castle Court, Castle Lane, Benfleet | Leasehold | 75 m² | £210,000 (2022) |
| Flat 5, Castle Court, Castle Lane, Benfleet | Leasehold | 66 m² | £126,000 (2005) |
| Flat 6 Castle Court, Castle Lane, Benfleet | Leasehold | 94 m² | £40,000 (1998) |
| Flat 7, Castle Court, Castle Lane, Benfleet | Leasehold | 66 m² | £129,750 (2013) |
| Flat 8, Castle Court, Castle Lane, Benfleet | Leasehold | 66 m² | £205,000 (2023) |
| Flat 9, Castle Court, Castle Lane, Benfleet | Leasehold | 69 m² | £152,000 (2014) |
| Flat 10 Castle Court, Castle Lane, Benfleet | - | 66 m² | - |
| Flat 11, Castle Court, Castle Lane, Benfleet | Leasehold | 73 m² | £45,000 (1997) |
| Flat 12, Castle Court, Castle Lane, Benfleet | Leasehold | 64 m² | £160,000 (2018) |
| Flat 15 Castle Court, Castle Lane, Benfleet | Leasehold | 66 m² | £27,000 (1996) |
| Flat 16, Castle Court, Benfleet | Leasehold | 64 m² | £85,000 (2006) |
| Flat 18, Castle Court, Castle Lane, Benfleet | Leasehold | 66 m² | £92,000 (2003) |
| Flat 19 Castle Court, Castle Lane, Benfleet | Leasehold | 67 m² | £205,000 (2021) |
| Flat 20 Castle Court, Castle Lane, Benfleet | - | 65 m² | - |
| Flat 22, Castle Court, Castle Lane, Benfleet | Leasehold | 74 m² | £47,500 (1998) |
| Flat 24 Castle Court, Castle Lane, Benfleet | Leasehold | 70 m² | £24,000 (1996) |
| Flat 26, Castle Court, Castle Lane, Benfleet | Leasehold | 65 m² | £203,000 (2021) |
| Flat 27, Castle Court, Castle Lane, Benfleet | - | 74 m² | - |
| Flat 28, Castle Court, Castle Lane, Benfleet | Leasehold | 55 m² | £100,000 (2013) |
| Flat 29, Castle Court, Castle Lane, Benfleet | Leasehold | 78 m² | £175,000 (2017) |
