{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.249778,51.470391],[-0.25004,51.470564],[-0.250103,51.470565],[-0.25012,51.470557],[-0.250149,51.470532],[-0.250148,51.470531],[-0.250232,51.470476],[-0.250488,51.4704],[-0.250488,51.470401],[-0.250538,51.470394],[-0.250604,51.470422],[-0.250632,51.470407],[-0.250798,51.470342],[-0.251452,51.470371],[-0.252007,51.470388],[-0.252502,51.4704],[-0.252798,51.47041],[-0.252806,51.470409],[-0.253001,51.470432],[-0.253597,51.470466],[-0.254312,51.470454],[-0.254407,51.470449],[-0.254981,51.470427],[-0.254991,51.47041],[-0.255042,51.47038],[-0.255265,51.47036],[-0.255351,51.470351],[-0.255364,51.470348],[-0.255457,51.470343],[-0.255419,51.470301],[-0.255374,51.470242],[-0.255351,51.470204],[-0.255233,51.469978],[-0.255219,51.46996],[-0.255023,51.469444],[-0.25497,51.469318],[-0.254912,51.469209],[-0.254689,51.468756],[-0.254436,51.468299],[-0.25431,51.46813],[-0.254243,51.468012],[-0.253448,51.468023],[-0.253447,51.468003],[-0.252186,51.468016],[-0.251527,51.468019],[-0.250834,51.468019],[-0.250859,51.468049],[-0.251071,51.46828],[-0.251259,51.46849],[-0.251451,51.468698],[-0.251327,51.468741],[-0.251321,51.468745],[-0.251288,51.468758],[-0.251214,51.468703],[-0.251094,51.468752],[-0.250982,51.4688],[-0.250662,51.468942],[-0.250383,51.469062],[-0.250341,51.469078],[-0.250145,51.469183],[-0.249991,51.469251],[-0.249848,51.469304],[-0.249833,51.469312],[-0.249862,51.469337],[-0.24987,51.469334],[-0.249908,51.469364],[-0.249886,51.469376],[-0.249736,51.469447],[-0.249694,51.469417],[-0.249571,51.469314],[-0.249453,51.469369],[-0.249458,51.469374],[-0.249371,51.469413],[-0.249178,51.469514],[-0.249142,51.469527],[-0.249099,51.469547],[-0.24908,51.469554],[-0.248971,51.469608],[-0.248929,51.469631],[-0.249105,51.469743],[-0.249068,51.46975],[-0.249053,51.469767],[-0.248928,51.469833],[-0.248927,51.469832],[-0.248863,51.469857],[-0.248855,51.469863],[-0.248819,51.469882],[-0.248644,51.469983],[-0.248392,51.470134],[-0.248343,51.470168],[-0.248243,51.470231],[-0.248238,51.470245],[-0.248485,51.470253],[-0.248861,51.470273],[-0.248861,51.470306],[-0.248917,51.470305],[-0.248915,51.470278],[-0.249304,51.470289],[-0.249496,51.470298],[-0.249612,51.470301],[-0.249633,51.470303],[-0.249657,51.470311],[-0.249724,51.470354],[-0.249778,51.470391]]]]},"type":"Feature","properties":{"entry-date":"2026-07-19","start-date":"2008-06-14","end-date":"","entity":44009084,"name":"Thorne Passage","dataset":"conservation-area","typology":"geography","reference":"7361","prefix":"conservation-area","organisation-entity":266,"quality":"some","notes":"Conservation Area Study Extra documents are available.","document-url":"https://www.richmond.gov.uk/media/4061/mc_ca_studies_16_53_34_webtext.pdf","documentation-url":"https://www.richmond.gov.uk/services/planning/conservation_and_urban_design/conservation_areas/conservation_area_study"}}