{"geometry":{"type":"Point","coordinates":[-0.157899,51.54107]},"type":"Feature","properties":{"entry-date":"2025-09-09","start-date":"","end-date":"","entity":10000036817,"name":"","dataset":"planning-application","typology":"geography","reference":"2010/2926/P","prefix":"planning-application","organisation-entity":"90","quality":"","description":"Erection of part one/part two-storey rear extension to replace existing one-storey rear extension, erection of a mansard roof and adjoining decked area, excavation to rear to create basement extension, and external and internal alterations associated with change of use from two self contained residential units to a dwelling house (Class C3).","address-text":"3 Chamberlain Street London NW1 8XB","decision-date":"2010-07-19","planning-decision-type":"Granted","planning-application-status":"Final Decision"}}