{"geometry":{"type":"Point","coordinates":[-0.154617,51.541261]},"type":"Feature","properties":{"entry-date":"2025-09-09","start-date":"","end-date":"","entity":10000040978,"name":"","dataset":"planning-application","typology":"geography","reference":"2018/6139/P","prefix":"planning-application","organisation-entity":"90","quality":"","description":"Erection of a single storey extension to the rear elevation at basement, installation of metal staircase and balustrade for a roof terrace at ground floor level, alterations to the front, rear and side facade/fenestration and conversion of the existing basement flat into a dwellinghouse.","address-text":"20 Chalcot Square London NW1 8YA","decision-date":"2019-05-03","planning-decision-type":"Granted","planning-application-status":"Final Decision"}}