[{"pk":"684451","application_number":"2026/3386/P","development_address":"57 Belsize Park London NW3 4EH","development_description":"Existing use of the property as a single planning unit for a mixed use comprising flexible long term residential accommodation (Class C3 and Sui Generis) and short term guest accommodation (Class C1).","valid_from_date":"2026-08-07T00:00:00.000","registered_date":"2026-08-14T00:00:00.000","registered_in_last_7_working_days":"No","registered_in_last_28_working_days":"No","earliest_decision_date":"2026-08-07T00:00:00.000","system_status":"Registered","system_status_change_date":"2026-08-14T00:00:00.000","applicant_name":"C/O Carter Jonas","ward":"Belsize","conservation_areas":"Belsize;Belsize Park","case_officer":"Connie Marinetto","case_officer_team":"Planning Solutions Team","responsibility_type":"PlanningApplication","comment":"https://planningrecords.camden.gov.uk/Northgate/PlanningExplorer/PLComments.aspx?pk=684451","full_application":{"url":"https://planningrecords.camden.gov.uk/NECSWS/Redirection/redirect.aspx?linkid=EXDC&PARAM0=684451"},"application_type":"Certificate of Lawfulness (Existing)","easting":"526667","northing":"184536","longitude":"-0.174694","latitude":"51.545514","spatial_accuracy":"Plotted by Camden Officer","last_uploaded":"2026-11-07T02:31:58.000","location":{"type":"Point","coordinates":[-0.174694,51.545514]},"socrata_id":"82787","organisation_uri":{"url":"http://opendatacommunities.org/id/london-borough-council/camden"}}]