{"quality":"Within the building of the matched address closest to the postcode mean","constituency2024":"Ynys M\u00F4n","district":"Isle of Anglesey","ward":"Aethwy","wardCode":"W05001492","lsoaName":"Isle of Anglesey 008A","lsoa":"W01000008","lsoa21Name":"Isle of Anglesey 008A","lsoa21":"W01000008","county":"Gwynedd","region":"Wales","country":"Wales","nationalPark":"","altitude":34,"ruralUrban":"Rural town and fringe","ttwa":"Bangor and Holyhead","postTown":"Llanfairpwllgwyngyll","builtUpArea":"Llanfair Pwllgwyngyll","inUse":"Yes","what3Words":"appendix.bake.kiosk","imd":1820,"imdDecile":10,"averageIncome":43400,"predominantPropertyType":"Detached","knownAddresses":["Belmont, Ffordd Caergybi, Llanfairpwllgwyngyll","Briar Cottage, Ffordd Caergybi, Llanfairpwllgwyngyll","Glan Menai, Ffordd Caergybi, Llanfairpwllgwyngyll","Hafan, Ffordd Caergybi, Llanfairpwllgwyngyll","Hafod, Ffordd Caergybi, Llanfairpwllgwyngyll","Hiraethog, Ffordd Caergybi, Llanfairpwllgwyngyll","Islwyn, Ffordd 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