{"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 001D","lsoa":"E01023693","lsoa21Name":"St Albans 001D","lsoa21":"E01023693","county":"Hertfordshire","region":"East of England","country":"England","nationalPark":"","altitude":93,"ruralUrban":"Urban city and town","ttwa":"Luton","postTown":"Harpenden","builtUpArea":"Harpenden","inUse":"Yes","what3Words":"zealous.glaze.flag","imd":32477,"imdDecile":10,"averageIncome":69200,"predominantPropertyType":"Terraced","knownAddresses":["33 Coldharbour Lane, Harpenden","35 Coldharbour Lane, Harpenden","37 Coldharbour Lane, Harpenden","39 Coldharbour Lane, Harpenden","39A Coldharbour Lane, Harpenden","41 Coldharbour Lane, Harpenden","43 Coldharbour Lane, Harpenden","45 Coldharbour Lane, Harpenden","47 Coldharbour Lane, Harpenden","49 Coldharbour Lane, 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