{"quality":"Within the building of the matched address closest to the postcode mean","constituency2024":"Southend West and Leigh","district":"Southend-on-Sea","ward":"Chalkwell","wardCode":"E05002214","lsoaName":"Southend-on-Sea 012F","lsoa":"E01015832","lsoa21Name":"Southend-on-Sea 012F","lsoa21":"E01015832","county":"Essex","region":"East of England","country":"England","nationalPark":"","altitude":35,"ruralUrban":"Urban city and town","ttwa":"Southend","postTown":"Westcliff-on-Sea","builtUpArea":"Southend-on-Sea","inUse":"Yes","what3Words":"exile.lakes.farms","imd":17563,"imdDecile":6,"averageIncome":47800,"predominantPropertyType":"Flat","knownAddresses":["Flat 1, Chalkwell Park House, 2 Chalkwell Avenue, Westcliff-On-Sea","Flat 1, Kent Lodge, 43 Chalkwell Avenue, Westcliff-On-Sea","Flat 10, Chalkwell Park House, 2 Chalkwell Avenue, Westcliff-On-Sea","Flat 1A, 46 Chalkwell Avenue, Westcliff-On-Sea","Flat 2, 46 Chalkwell Avenue, Westcliff-On-Sea","Flat 2, Chalkwell Park House, 2 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(freehold)","date":"2024-11-22T00:00:00","price":950000},{"address":"Flat 2A, 46 Chalkwell Avenue, Westcliff-On-Sea","propertyType":"Flat (leasehold)","date":"2024-09-02T00:00:00","price":240000},{"address":"Flat 2A, 46 Chalkwell Avenue, Westcliff-On-Sea","propertyType":"Flat (leasehold)","date":"2019-10-24T00:00:00","price":262500},{"address":"Flat 2A, 46 Chalkwell Avenue, Westcliff-On-Sea","propertyType":"Flat (leasehold)","date":"2013-09-20T00:00:00","price":172000},{"address":"Flat 2A, 46 Chalkwell Avenue, Westcliff-On-Sea","propertyType":"Flat (leasehold)","date":"2006-07-28T00:00:00","price":158000},{"address":"Flat 2A, 46 Chalkwell Avenue, Westcliff-On-Sea","propertyType":"Flat (leasehold)","date":"2003-11-28T00:00:00","price":102500},{"address":"Flat 2A, 46 Chalkwell Avenue, Westcliff-On-Sea","propertyType":"Flat (leasehold)","date":"2001-02-09T00:00:00","price":75000},{"address":"Flat 2A, 46 Chalkwell Avenue, Westcliff-On-Sea","propertyType":"Flat 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