{"quality":"Within the building of the matched address closest to the postcode mean","constituency2024":"Harpenden and Berkhamsted","district":"St Albans","ward":"Harpenden East","wardCode":"E05013952","lsoaName":"St Albans 002E","lsoa":"E01023689","lsoa21Name":"St Albans 002E","lsoa21":"E01023689","county":"Hertfordshire","region":"East of England","country":"England","nationalPark":"","altitude":124,"ruralUrban":"Urban city and town","ttwa":"Luton","postTown":"Harpenden","builtUpArea":"Harpenden","inUse":"Yes","what3Words":"issue.tops.lives","imd":33412,"imdDecile":10,"averageIncome":63900,"predominantPropertyType":"Semi-detached","knownAddresses":["Amberley, 1B Devonshire Road, Harpenden","1 Devonshire Road, Harpenden","1A Devonshire Road, Harpenden","2 Devonshire Road, Harpenden","3 Devonshire Road, Harpenden","3A Devonshire Road, Harpenden","4 Devonshire Road, Harpenden","6 Devonshire Road, Harpenden","10 Devonshire Road, Harpenden","12 Devonshire Road, Harpenden","14 Devonshire 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