{"description":"Ground floor extension to the house, and conversion of the hip roof to a gable roof including a rear dormer.","application_details":{"total_gia_gained":30,"no_additional_bathrooms":1,"no_additional_bedrooms":1,"intended_commencement_date":"05/2027","intended_completion_date":"09/2027"},"site_name":null,"last_date_consultation_comments":"04/12/2026","decision_process":null,"centroid_northing":175836,"cil_liability":null,"appeal_decision_date":null,"last_updated":"2026-11-03T03:07:47.507Z","ward":null,"parking_details":{},"decision_target_date":"28/12/2026","development_type":null,"decision_conditions":null,"epc_number":null,"wgs84_polygon":{"type":"Polygon","coordinates":[[[-0.254089,51.468433],[-0.254034,51.468455],[-0.254105,51.468523],[-0.254091,51.468528],[-0.254138,51.468575],[-0.254196,51.468563],[-0.254161,51.46853],[-0.254204,51.468519],[-0.254146,51.468462],[-0.254126,51.46847],[-0.254089,51.468433]]]},"valid_date":"02/11/2026","subdivision_of_building":null,"application_type":"Householder","lpa_name":"Richmond","appeal_start_date":null,"actual_completion_date":null,"actual_commencement_date":null,"status":"Application Under Consideration","centroid_easting":521365,"street_name":"Westfields Avenue","decision":null,"application_type_full":"Householder planning & demolition in a conservation area","date_building_work_started_under_previous_permission":null,"title_number":["na"],"site_number":1,"reference_no_of_permission_being_relied_on":null,"url_planning_app":null,"uprn":100022301886,"lpa_app_no":"PA26/3729","polygon":{"geometries":[{"coordinates":[[[521368.176,175830.15],[521371.9,175832.65],[521366.8,175840.15],[521367.745,175840.762],[521364.4,175845.9],[521360.4,175844.45],[521362.9,175840.8],[521359.95,175839.55],[521364.15,175833.3],[521365.5,175834.2],[521368.176,175830.15]]],"type":"Polygon"}],"type":"GeometryCollection"},"bo_system":"Agile APAS","secondary_street_name":null,"decision_date":null,"id":"Richmond-PA26_3729","locality":"London","decision_agency":null,"date_building_work_completed_under_previous_permission":null,"pp_id":"PP-15337704","borough":"Richmond Upon Thames","lapsed_date":null,"last_synced":"2026-11-04T03:15:24.886Z","postcode":"SW13 0AT","appeal_decision":null,"centroid":{"lon":-0.254132,"lat":51.468486},"last_updated_by":"Planning Portal ingest","appeal_status":null}