{"quality":"Within the building of the matched address closest to the postcode mean","constituency2024":"Harpenden and Berkhamsted","district":"St Albans","ward":"Harpenden North \u0026 Rural","wardCode":"E05013953","lsoaName":"St Albans 001A","lsoa":"E01023690","lsoa21Name":"St Albans 001A","lsoa21":"E01023690","county":"Hertfordshire","region":"East of England","country":"England","nationalPark":"","altitude":121,"ruralUrban":"Urban city and town","ttwa":"Luton","postTown":"Harpenden","builtUpArea":"Harpenden","inUse":"Yes","what3Words":"grow.launch.monks","imd":33686,"imdDecile":10,"averageIncome":69200,"predominantPropertyType":"Semi-detached","knownAddresses":["1 Otterton Close, Harpenden","2 Otterton Close, Harpenden","3 Otterton Close, Harpenden","4 Otterton Close, Harpenden","5 Otterton Close, Harpenden","6 Otterton Close, Harpenden","7 Otterton Close, Harpenden","8 Otterton Close, Harpenden","9 Otterton Close, Harpenden","10 Otterton Close, Harpenden","11 Otterton Close, 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