{"quality":"Within the building of the matched address closest to the postcode mean","constituency2024":"Finchley and Golders Green","district":"Barnet","ward":"Childs Hill","wardCode":"E05013631","lsoaName":"Barnet 038D","lsoa":"E01000146","lsoa21Name":"Barnet 038D","lsoa21":"E01000146","county":"Greater London","region":"London","country":"England","nationalPark":"","altitude":68,"ruralUrban":"Urban major conurbation","ttwa":"London","postTown":"London","builtUpArea":"Barnet","inUse":"Yes","what3Words":"stump.digs.agrees","imd":10219,"imdDecile":4,"averageIncome":63400,"predominantPropertyType":"Semi-detached","knownAddresses":["Flat 3, 1 Helenslea Avenue, London","Flat A, 1 Helenslea Avenue, London","Flat B, 1 Helenslea Avenue, London","3 Helenslea Avenue, London","5 Helenslea Avenue, London","7 Helenslea Avenue, London","23 Helenslea Avenue, London","25 Helenslea Avenue, London","27 Helenslea Avenue, London"],"busStops":["Dunstan Road Child\u0027s Hill (S)","Golders Green  Finchley Road (N)","Golders Green  Finchley Road (S)","Hodford Road (N)","Hodford Road (S)","Finchley Road (NW11) (W)"],"businesses":["FAIRHEAD FINE ART LIMITED"],"schools":["Childs Hill Primary School","All Saints\u0027 CofE Primary School NW2","Rimon Jewish Primary School","Shiras Devorah High School"],"propertySales":[{"address":"Flat 3, 1 Helenslea Avenue, London","propertyType":"Flat (leasehold)","date":"2024-10-22T00:00:00","price":670000},{"address":"25 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2024-10-09T00:00:00","price":1900000},{"address":"25 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2011-12-02T00:00:00","price":1000000},{"address":"23 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2014-09-05T00:00:00","price":1750000},{"address":"23 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2001-07-10T00:00:00","price":570000},{"address":"23 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"1995-08-15T00:00:00","price":195000},{"address":"5 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2012-10-25T00:00:00","price":1375000},{"address":"5 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2004-04-28T00:00:00","price":790000},{"address":"5 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2000-07-18T00:00:00","price":540000},{"address":"5 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"1997-07-28T00:00:00","price":304000},{"address":"5 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"1997-05-16T00:00:00","price":237500},{"address":"Flat A, 1 Helenslea Avenue, London","propertyType":"Flat (leasehold)","date":"2010-09-01T00:00:00","price":770000},{"address":"Flat B, 1 Helenslea Avenue, London","propertyType":"Flat (leasehold)","date":"2010-09-01T00:00:00","price":564000},{"address":"Flat B, 1 Helenslea Avenue, London","propertyType":"Flat (leasehold)","date":"2003-01-31T00:00:00","price":350000},{"address":"7 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2010-05-04T00:00:00","price":1300000},{"address":"7 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2004-07-13T00:00:00","price":854950},{"address":"7 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"1997-02-27T00:00:00","price":247500},{"address":"27 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"2000-12-14T00:00:00","price":485000},{"address":"3 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"1999-11-30T00:00:00","price":525000},{"address":"3 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"1997-06-30T00:00:00","price":382000},{"address":"3 Helenslea Avenue, London","propertyType":"Semi-detached (freehold)","date":"1996-12-16T00:00:00","price":210000}],"roads":["Helenslea Avenue"],"population":48,"households":20,"postcode":"NW11 8NE","gridReference":"TQ250871","northing":187127,"easting":525064,"latitude":51.569157,"longitude":-0.196908}