[{"pk":"680396","application_number":"2026/2312/P","development_address":"Lief House 3 Sumpter Close London NW3 5HR","development_description":"Erection of a five-storey upwards extension to existing four-storey building for the provision of new self-contained residential (Class C3) units. Associated works including provision of roof level terrace and plant facility, ground level child play space, cycle store, extension of external bin store, with improved ramp and stepped access to building entrance.","valid_from_date":"2026-06-05T00:00:00.000","registered_date":"2026-06-19T00:00:00.000","registered_in_last_7_working_days":"No","registered_in_last_28_working_days":"No","earliest_decision_date":"2026-07-19T00:00:00.000","system_status":"Registered","system_status_change_date":"2026-06-19T00:00:00.000","applicant_name":"C/O Agent","ward":"Belsize","case_officer":"Daren Zuk","case_officer_team":"Planning Solutions Team","responsibility_type":"PlanningApplication","comment":"https://planningrecords.camden.gov.uk/Northgate/PlanningExplorer/PLComments.aspx?pk=680396","full_application":{"url":"https://planningrecords.camden.gov.uk/NECSWS/Redirection/redirect.aspx?linkid=EXDC&PARAM0=680396"},"application_type":"Full Planning Permission","easting":"526346","northing":"184701","longitude":"-0.179262","latitude":"51.547069","spatial_accuracy":"Plotted by Camden Officer","last_uploaded":"2026-11-07T02:31:58.000","location":{"type":"Point","coordinates":[-0.179262,51.547069]},"socrata_id":"81253","organisation_uri":{"url":"http://opendatacommunities.org/id/london-borough-council/camden"}}]