| 1 Wellington Avenue, Westcliff-On-Sea, Westcliff-On-Sea | Freehold | 79 m² | £342,000 (2021) |
| 3, Wellington Avenue, Westcliff-On-Sea | Freehold | 82 m² | £150,000 (2007) |
| 5 Wellington Avenue, Westcliff-On-Sea | Freehold | 78 m² | £340,000 (2022) |
| 13 Wellington Avenue, Westcliff-On-Sea | Freehold | 83 m² | £150,250 (2006) |
| 15, Wellington Avenue, Westcliff-On-Sea | Freehold | 87 m² | £170,000 (2011) |
| 19 Wellington Avenue, Westcliff-On-Sea | Freehold | 97 m² | £450,000 (2024) |
| 21, Wellington Avenue, Westcliff-On-Sea | Freehold | 80 m² | £217,000 (2014) |
| 23, Wellington Avenue, Westcliff-On-Sea | Freehold | 85 m² | £380,000 (2025) |
| 27, Wellington Avenue, Westcliff-On-Sea | Leasehold | 39 m² | £190,000 (2025) |
| 27A Wellington Avenue, Westcliff-On-Sea | - | 41 m² | - |
| 31 Wellington Avenue, Westcliff-On-Sea | Freehold | 88 m² | £350,000 (2023) |
| 33, Wellington Avenue, Westcliff-On-Sea | Freehold | 82 m² | £395,000 (2022) |
| 37 Wellington Avenue, Westcliff-On-Sea | Freehold | 101 m² | £425,000 (2023) |
| 41 Wellington Avenue, Westcliff-On-Sea | - | 106 m² | - |
| 47, Wellington Avenue, Westcliff-On-Sea | Freehold | 87 m² | £169,000 (2010) |
| 51 Wellington Avenue, Westcliff-On-Sea | Freehold | 111 m² | £370,000 (2025) |
| 53 Wellington Avenue, Westcliff-On-Sea | - | 74 m² | - |
| 55, Wellington Avenue, Westcliff-On-Sea | Freehold | 80 m² | £315,000 (2020) |
| 57 Wellington Avenue, Westcliff-On-Sea | Freehold | 100 m² | £385,000 (2025) |
| 61 Wellington Avenue, Westcliff-On-Sea | Freehold | 72 m² | £275,000 (2015) |
| 63, Wellington Avenue, Westcliff-On-Sea | Freehold | 83 m² | £230,000 (2019) |
| 65 Wellington Avenue, Westcliff-On-Sea | Freehold | 105 m² | £189,995 (2009) |
| 67, Wellington Avenue, Westcliff-On-Sea | Freehold | 82 m² | £297,000 (2020) |
| 69 Wellington Avenue, Westcliff-On-Sea, Westcliff-On-Sea | Freehold | 90 m² | £280,200 (2021) |
| 73 Wellington Avenue, Westcliff-On-Sea | - | 93 m² | - |
| 75, Wellington Avenue, Westcliff-On-Sea | Freehold | 87 m² | £320,000 (2017) |
| 81A Wellington Avenue, Westcliff-On-Sea | Leasehold | 55 m² | £239,000 (2024) |
| 81B, Wellington Avenue, Westcliff-On-Sea | Leasehold | 56 m² | £165,000 (2017) |
| 81C, Wellington Avenue, Westcliff-On-Sea | Leasehold | 56 m² | £180,000 (2016) |
| 81D Wellington Avenue, Westcliff-On-Sea | Leasehold | 63 m² | £133,500 (2011) |
| 83 Wellington Avenue, Westcliff-On-Sea | - | 95 m² | - |
| 89, Wellington Avenue, Westcliff-On-Sea | Freehold | 100 m² | £210,000 (2013) |
| 91 Wellington Avenue, Westcliff-On-Sea | - | 97 m² | - |
| 97, Wellington Avenue, Westcliff-On-Sea | Freehold | 127 m² | £310,000 (2016) |
| 101 Wellington Avenue, Westcliff-On-Sea | Freehold | 104 m² | £477,500 (2022) |
| Upper Flat, 93 Wellington Avenue, Westcliff-On-Sea, Westcliff-On-Sea | Leasehold | 60 m² | £122,500 (2007) |
