{"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 038B","lsoa":"E01000136","lsoa21Name":"Barnet 038B","lsoa21":"E01000136","county":"Greater London","region":"London","country":"England","nationalPark":"","altitude":92,"ruralUrban":"Urban major conurbation","ttwa":"London","postTown":"London","builtUpArea":"Barnet","inUse":"Yes","what3Words":"abode.dating.choice","imd":25840,"imdDecile":8,"averageIncome":63400,"predominantPropertyType":"Detached","knownAddresses":["1 Park Avenue, London","3 Park Avenue, London","5 Park Avenue, London","7 Park Avenue, London","9 Park Avenue, London","13 Park Avenue, London","17 Park Avenue, London","19 Park Avenue, London","21 Park Avenue, London","23 Park Avenue, London","25 Park Avenue, London"],"busStops":["Wellgarth Road (E)","Heathcroft (S)","Reynolds Close  Hampstead Heath (S)","Wellgarth Road  Hampstead Heath (N)","Wellgarth Road  Hampstead Heath (S)","Hampstead Way (E)"],"businesses":["31 BELMONT ROAD LIMITED","749 FINCHLEY ROAD LIMITED","BARNET SYMPHONY PRODUCTIONS LTD","ENLO PROPERTY CO. LIMITED","GOLDSTAR PROPERTIES LIMITED","LERRIM PROPERTY CO. LIMITED","MEIRINA INVESTMENT CO. LIMITED","MORERA CONSULTING LTD","QUESTION EVERYTHING LIMITED","YETAMAX PROPERTY CO. LIMITED"],"schools":["Ivy House School","The King Alfred School"],"propertySales":[{"address":"3 Park Avenue, London","propertyType":"Detached (freehold)","date":"2025-06-20T00:00:00","price":1450000},{"address":"13 Park Avenue, London","propertyType":"Detached (freehold)","date":"2021-02-15T00:00:00","price":2530000},{"address":"13 Park Avenue, London","propertyType":"Detached (freehold)","date":"2012-11-06T00:00:00","price":1910000},{"address":"21 Park Avenue, London","propertyType":"Detached (freehold)","date":"2012-08-10T00:00:00","price":1500000},{"address":"17 Park Avenue, London","propertyType":"Detached (freehold)","date":"2012-06-12T00:00:00","price":1940000},{"address":"17 Park Avenue, London","propertyType":"Detached (freehold)","date":"2009-06-30T00:00:00","price":1120000},{"address":"5 Park Avenue, London","propertyType":"Semi-detached (freehold)","date":"2011-11-25T00:00:00","price":1265000},{"address":"1 Park Avenue, London","propertyType":"Detached (freehold)","date":"2011-01-31T00:00:00","price":3050000},{"address":"9 Park Avenue, London","propertyType":"Semi-detached (freehold)","date":"2003-11-28T00:00:00","price":855000},{"address":"19 Park Avenue, London","propertyType":"Detached (freehold)","date":"2000-06-09T00:00:00","price":695000},{"address":"7 Park Avenue, London","propertyType":"Semi-detached (freehold)","date":"1999-04-07T00:00:00","price":515000},{"address":"23 Park Avenue, London","propertyType":"Detached (freehold)","date":"1998-09-01T00:00:00","price":465000}],"roads":["Park Avenue"],"population":32,"households":12,"postcode":"NW11 7SL","gridReference":"TQ256871","northing":187188,"easting":525680,"latitude":51.569568,"longitude":-0.188003}