{"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":115,"ruralUrban":"Urban city and town","ttwa":"Luton","postTown":"Harpenden","builtUpArea":"Harpenden","inUse":"Yes","what3Words":"poster.loops.slows","imd":33412,"imdDecile":10,"averageIncome":63900,"predominantPropertyType":"Detached","knownAddresses":["Gilbert House, Sauncey Avenue, Harpenden","Henry House, Sauncey Avenue, Harpenden","25 Sauncey Avenue, Harpenden"],"busStops":["Sir John Lawes School (NW)","Ox Lane East (SW)","Ox Lane East (NE)","Ox Lane West (W)","Lyndhurst Drive (NE)","Willoughby Road (NW)"],"businesses":[],"schools":["Crabtree Infants\u0027 School","The Lea Primary School and Nursery","Harpenden Academy","Manland Primary School","Crabtree Junior School","Sir John Lawes School","St George\u0027s School","Katherine Warington School"],"propertySales":[{"address":"Henry House, Sauncey Avenue, Harpenden","propertyType":"Detached (freehold)","date":"2025-05-28T00:00:00","price":1550000},{"address":"Gilbert House, Sauncey Avenue, Harpenden","propertyType":"Detached (freehold)","date":"2024-02-16T00:00:00","price":1200000},{"address":"25 Sauncey Avenue, Harpenden","propertyType":"Detached (freehold)","date":"2022-05-12T00:00:00","price":1750000},{"address":"25 Sauncey Avenue, Harpenden","propertyType":"Detached (freehold)","date":"2002-06-14T00:00:00","price":492500},{"address":"25 Sauncey Avenue, Harpenden","propertyType":"Detached (freehold)","date":"1996-03-14T00:00:00","price":162250}],"roads":["Sauncey Avenue"],"population":7,"households":2,"postcode":"AL5 4QR","gridReference":"TL139150","northing":215032,"easting":513987,"latitude":51.822293,"longitude":-0.34755}