[{"pk":"540638","application_number":"2020/1650/P","development_address":"21 St Leonard's Square London NW5 3HL","development_description":"Erection of a ground floor rear extension; erection of metal railings to the existing first floor roof terrace; lowering of the existing first floor terrace parapet wall; installation of two timber framed windows to the rear outrigger at first and second floors; replacement timber framed window at first floor side elevation; and associated alterations to the external facade, following demolition of the existing ground floor rear extension.","decision_type":"Granted","valid_from_date":"2020-06-04T00:00:00.000","registered_date":"2020-06-12T00:00:00.000","registered_in_last_7_working_days":"No","registered_in_last_28_working_days":"No","earliest_decision_date":"2020-07-12T00:00:00.000","decision_date":"2021-10-12T00:00:00.000","decison_level":"Delegated","system_status":"Final Decision","system_status_change_date":"2021-10-12T00:00:00.000","applicant_name":"Professor Helen Lachmann","ward":"Haverstock (Pre May 2022)","conservation_areas":"West Kentish Town","case_officer":"Adam Greenhalgh","case_officer_team":"Planning Solutions Team","responsibility_type":"PlanningApplication","comment":"Comments Closed","full_application":{"url":"https://planningrecords.camden.gov.uk/NECSWS/Redirection/redirect.aspx?linkid=EXDC&PARAM0=540638"},"application_type":"Full Planning Permission","easting":"528407","northing":"184692","longitude":"-0.149558","latitude":"51.546523","spatial_accuracy":"Plotted by Camden Officer","last_uploaded":"2026-10-13T02:32:01.000","location":{"type":"Point","coordinates":[-0.149558,51.546523]},"socrata_id":"54037","organisation_uri":{"url":"http://opendatacommunities.org/id/london-borough-council/camden"}}]