{"quality":"Within the building of the matched address closest to the postcode mean","constituency2024":"Lewisham West and East Dulwich","district":"Lewisham","ward":"Perry Vale","wardCode":"E05013729","lsoaName":"Lewisham 027C","lsoa":"E01003311","lsoa21Name":"Lewisham 027C","lsoa21":"E01003311","county":"Greater London","region":"London","country":"England","nationalPark":"","altitude":34,"ruralUrban":"Urban major conurbation","ttwa":"London","postTown":"London","builtUpArea":"Lewisham","inUse":"Yes","what3Words":"chimp.elder.care","imd":16689,"imdDecile":6,"averageIncome":56800,"predominantPropertyType":"Terraced","knownAddresses":["Lower Flat, 20 Helvetia Street, London","Upper Flat, 17 Helvetia Street, London","Upper Flat, 20 Helvetia Street, London","1 Helvetia Street, London","2A Helvetia Street, London","3 Helvetia Street, London","4 Helvetia Street, London","5 Helvetia Street, London","6 Helvetia Street, London","9 Helvetia Street, London","10 Helvetia Street, London","10A Helvetia Street, London","12 Helvetia Street, London","14 Helvetia Street, London","15 Helvetia Street, London","16 Helvetia Street, London","17 Helvetia Street, London","17A Helvetia Street, London","18 Helvetia Street, London","24 Helvetia Street, London"],"busStops":["Castlands Road (N)","Houston Road (S)","Houston Road (N)","Lutwyche Road (E)","Elm Lane (SW)","Vancouver Road (W)"],"businesses":["GAS WRIGHT SERVICES LTD","GLOBAL SELLING \u0026 LETTING LTD"],"schools":["Our Lady and St Philip Neri Catholic Primary School","Adamsrill Primary School","Dalmain Primary School","Haseltine Primary School","Rathfern Primary School","Kilmorie Primary School","St William of York Catholic Primary School","St Michael\u0027s Church of England Primary School","Brent Knoll School","St Dunstan\u0027s College"],"propertySales":[{"address":"12 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2025-03-07T00:00:00","price":600000},{"address":"12 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"1997-02-03T00:00:00","price":72000},{"address":"9 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2024-09-26T00:00:00","price":790000},{"address":"14 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2024-05-31T00:00:00","price":750000},{"address":"14 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2013-09-30T00:00:00","price":345000},{"address":"24 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2023-09-08T00:00:00","price":650000},{"address":"24 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2012-06-22T00:00:00","price":250000},{"address":"24 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2006-11-24T00:00:00","price":245000},{"address":"17A Helvetia Street, London","propertyType":"Terraced (leasehold)","date":"2020-03-12T00:00:00","price":275000},{"address":"17A Helvetia Street, London","propertyType":"Terraced (leasehold)","date":"2016-07-20T00:00:00","price":250000},{"address":"6 Helvetia Street, London","propertyType":"Flat (leasehold)","date":"2019-10-30T00:00:00","price":315000},{"address":"6 Helvetia Street, London","propertyType":"Flat (leasehold)","date":"2015-12-18T00:00:00","price":287500},{"address":"6 Helvetia Street, London","propertyType":"Flat (leasehold)","date":"2007-12-07T00:00:00","price":179950},{"address":"6 Helvetia Street, London","propertyType":"Flat (leasehold)","date":"2007-09-07T00:00:00","price":157500},{"address":"3 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2019-09-17T00:00:00","price":595000},{"address":"3 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2010-10-15T00:00:00","price":235000},{"address":"18 Helvetia Street, London","propertyType":"Terraced (freehold)","date":"2014-09-19T00:00:00","price":430000},{"address":"Upper Flat, 17 Helvetia Street, London","propertyType":"Flat (leasehold)","date":"2014-04-30T00:00:00","price":190000},{"address":"10A Helvetia Street, London","propertyType":"Detached (freehold)","date":"2012-10-24T00:00:00","price":225000},{"address":"10A Helvetia Street, London","propertyType":"Flat (freehold)","date":"2005-10-30T00:00:00","price":185000}],"roads":["Helvetia Street","Nyon Grove"],"population":60,"households":25,"postcode":"SE6 4EX","gridReference":"TQ366725","northing":172587,"easting":536676,"latitude":51.435802,"longitude":-0.035093}