| 11 Alston Court, Crowstone Road, Westcliff-On-Sea, Westcliff-On-Sea | Leasehold | 76 m² | £250,000 (2021) |
| 39 Alston Court, Crowstone Road, Westcliff-On-Sea, Westcliff-On-Sea | Leasehold | 73 m² | £240,000 (2021) |
| Flat 1 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 85 m² | £205,000 (2012) |
| Flat 2, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 72 m² | £185,000 (2015) |
| Flat 3, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 72 m² | £235,000 (2023) |
| Flat 4 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 74 m² | £165,000 (2010) |
| Flat 5, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 75 m² | £178,000 (2015) |
| Flat 6 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 62 m² | £165,000 (2016) |
| Flat 7 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 71 m² | £183,000 (2015) |
| Flat 8 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 62 m² | £215,000 (2021) |
| Flat 9, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 72 m² | £219,950 (2003) |
| Flat 10 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 75 m² | £215,000 (2015) |
| Flat 12 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 73 m² | £265,000 (2025) |
| Flat 13 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 75 m² | £242,000 (2023) |
| Flat 14 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 75 m² | £190,995 (2016) |
| Flat 15 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 53 m² | £181,000 (2023) |
| Flat 16, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 68 m² | £240,000 (2022) |
| Flat 17 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 74 m² | £235,000 (2020) |
| Flat 18 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 75 m² | £237,500 (2020) |
| Flat 19 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 58 m² | £210,000 (2024) |
| Flat 20, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 67 m² | £207,000 (2024) |
| Flat 21 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 71 m² | £185,000 (2012) |
| Flat 22, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 79 m² | £235,000 (2020) |
| Flat 23 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 62 m² | £170,000 (2016) |
| Flat 24, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 75 m² | £300,000 (2025) |
| Flat 25 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 71 m² | £245,000 (2023) |
| Flat 26 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 76 m² | £220,000 (2018) |
| Flat 27 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 73 m² | £245,000 (2022) |
| Flat 28 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 67 m² | £170,000 (2021) |
| Flat 29 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 72 m² | £250,000 (2023) |
| Flat 30 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 75 m² | £220,000 (2018) |
| Flat 31, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 72 m² | £169,950 (2010) |
| Flat 32 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 60 m² | £190,000 (2023) |
| Flat 33 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 66 m² | £175,000 (2020) |
| Flat 35 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 76 m² | £240,000 (2018) |
| Flat 36 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 63 m² | £183,375 (2023) |
| Flat 37 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 74 m² | £195,000 (2018) |
| Flat 38 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 71 m² | £158,000 (2016) |
| Flat 40, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 67 m² | £260,000 (2023) |
| Flat 41, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 71 m² | £195,000 (2023) |
| Flat 42, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 68 m² | £260,000 (2023) |
| Flat 43 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 73 m² | £177,500 (2010) |
| Flat 44 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 75 m² | £245,000 (2020) |
| Flat 45 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 50 m² | £185,000 (2018) |
| Flat 46 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 69 m² | £170,000 (2020) |
| Flat 47, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 67 m² | £260,000 (2023) |
| Flat 48, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 72 m² | £238,000 (2018) |
| Flat 49 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 92 m² | £235,000 (2020) |
| Flat 50, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 73 m² | £275,000 (2024) |
| Flat 51, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 72 m² | £300,000 (2025) |
| Flat 52 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 50 m² | £200,000 (2024) |
| Flat 53 Alston Court, 15, Crowstone Road, Westcliff-On-Sea | Leasehold | 77 m² | £195,000 (2016) |
| Flat 54, Alston Court, 15 Crowstone Road, Westcliff-On-Sea | Leasehold | 68 m² | £255,000 (2022) |
