{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.419482,51.616493],[-0.419459,51.616553],[-0.41939,51.61675],[-0.419689,51.616774],[-0.41977,51.616554],[-0.419838,51.61635],[-0.420155,51.616404],[-0.420422,51.616446],[-0.420483,51.616284],[-0.420771,51.616265],[-0.420991,51.616077],[-0.421543,51.616144],[-0.421828,51.616187],[-0.422025,51.616212],[-0.423057,51.616294],[-0.423089,51.616146],[-0.423119,51.616152],[-0.423245,51.615592],[-0.42366,51.615634],[-0.423679,51.615326],[-0.423321,51.615291],[-0.423433,51.614746],[-0.423247,51.614729],[-0.423393,51.6143],[-0.423378,51.614299],[-0.423491,51.613865],[-0.423081,51.613838],[-0.423115,51.613729],[-0.423212,51.613356],[-0.42328,51.613222],[-0.423385,51.613062],[-0.423483,51.612921],[-0.423559,51.612798],[-0.423615,51.612703],[-0.423687,51.612525],[-0.423715,51.61238],[-0.423722,51.612179],[-0.423688,51.612178],[-0.423656,51.611763],[-0.423666,51.611639],[-0.423368,51.611642],[-0.423356,51.611674],[-0.422238,51.611674],[-0.422248,51.611374],[-0.422104,51.611397],[-0.421924,51.611414],[-0.422007,51.611656],[-0.422097,51.611703],[-0.422336,51.611771],[-0.422607,51.611852],[-0.422652,51.611878],[-0.422651,51.611903],[-0.422631,51.611954],[-0.422601,51.612013],[-0.422608,51.612087],[-0.42266,51.61215],[-0.422892,51.612176],[-0.423125,51.612157],[-0.423176,51.612146],[-0.42338,51.612169],[-0.423378,51.612237],[-0.423339,51.612581],[-0.422891,51.612582],[-0.422892,51.612843],[-0.422882,51.612878],[-0.422854,51.612888],[-0.422804,51.612893],[-0.422493,51.612897],[-0.422324,51.612911],[-0.42203,51.612948],[-0.421882,51.612936],[-0.421795,51.61294],[-0.421761,51.612933],[-0.421753,51.61292],[-0.421681,51.612934],[-0.421693,51.613145],[-0.421631,51.613213],[-0.421701,51.613665],[-0.420832,51.613685],[-0.420815,51.613639],[-0.420787,51.61353],[-0.420736,51.613285],[-0.420721,51.613066],[-0.420727,51.612896],[-0.420625,51.612923],[-0.420234,51.612909],[-0.420184,51.612911],[-0.420128,51.612936],[-0.420067,51.612972],[-0.420008,51.612974],[-0.419875,51.612995],[-0.41982,51.613002],[-0.419826,51.612954],[-0.419796,51.612913],[-0.419748,51.612859],[-0.41974,51.612816],[-0.419746,51.612765],[-0.419721,51.612702],[-0.419629,51.61261],[-0.419984,51.612607],[-0.419991,51.612428],[-0.420023,51.612028],[-0.420087,51.612009],[-0.420095,51.611901],[-0.420123,51.611887],[-0.420136,51.611785],[-0.420132,51.611777],[-0.420279,51.61173],[-0.420196,51.611641],[-0.420197,51.611616],[-0.420203,51.611559],[-0.420053,51.611551],[-0.419403,51.6115],[-0.418963,51.611418],[-0.418371,51.611285],[-0.418357,51.611287],[-0.418364,51.611336],[-0.418325,51.611406],[-0.418244,51.611391],[-0.418159,51.611594],[-0.418227,51.611607],[-0.418245,51.61163],[-0.418243,51.611666],[-0.418228,51.611726],[-0.418197,51.611813],[-0.418149,51.611895],[-0.41817,51.611924],[-0.418189,51.611924],[-0.418169,51.612087],[-0.418146,51.612362],[-0.418067,51.612401],[-0.418056,51.612466],[-0.418487,51.612514],[-0.418824,51.612547],[-0.418791,51.612953],[-0.41877,51.613441],[-0.418629,51.613425],[-0.418272,51.613344],[-0.418099,51.613588],[-0.418048,51.613738],[-0.418187,51.613802],[-0.418332,51.61383],[-0.418208,51.614001],[-0.41852,51.614068],[-0.418631,51.613882],[-0.418847,51.61393],[-0.418757,51.614085],[-0.418991,51.61413],[-0.419087,51.613971],[-0.41953,51.614042],[-0.419555,51.614],[-0.420023,51.614054],[-0.420089,51.613853],[-0.420189,51.61386],[-0.419975,51.614511],[-0.419856,51.614503],[-0.419338,51.614459],[-0.419288,51.614604],[-0.41936,51.614624],[-0.419261,51.614833],[-0.420142,51.614959],[-0.42021,51.614815],[-0.420303,51.614518],[-0.420434,51.614534],[-0.420644,51.614539],[-0.420684,51.61458],[-0.420687,51.614622],[-0.420796,51.614627],[-0.420808,51.614553],[-0.420867,51.614554],[-0.420939,51.614572],[-0.421221,51.614601],[-0.421248,51.614616],[-0.421307,51.614616],[-0.421358,51.614592],[-0.421519,51.61461],[-0.42143,51.614876],[-0.421788,51.614912],[-0.42192,51.614919],[-0.421849,51.61519],[-0.42172,51.615181],[-0.421648,51.615211],[-0.42163,51.615291],[-0.42168,51.615331],[-0.421789,51.615342],[-0.421813,51.615358],[-0.421887,51.615363],[-0.421914,51.615375],[-0.421871,51.615552],[-0.421853,51.615639],[-0.421818,51.615653],[-0.421761,51.615646],[-0.421729,51.615614],[-0.42144,51.615587],[-0.421256,51.615554],[-0.42097,51.615529],[-0.420956,51.615586],[-0.420653,51.615574],[-0.420353,51.615523],[-0.420327,51.615495],[-0.420336,51.615465],[-0.419889,51.615394],[-0.419774,51.615381],[-0.419759,51.615415],[-0.419553,51.615387],[-0.419447,51.615364],[-0.418991,51.615299],[-0.418695,51.615227],[-0.418483,51.615184],[-0.418489,51.615169],[-0.418312,51.615131],[-0.418347,51.615077],[-0.41811,51.615025],[-0.417837,51.614951],[-0.417264,51.614817],[-0.416882,51.614718],[-0.416565,51.614621],[-0.416267,51.614532],[-0.416028,51.614829],[-0.415948,51.614916],[-0.416055,51.614969],[-0.416621,51.615108],[-0.416552,51.615211],[-0.416613,51.615226],[-0.416453,51.615394],[-0.416369,51.615478],[-0.41622,51.615638],[-0.416161,51.61572],[-0.415821,51.615531],[-0.415525,51.615808],[-0.415502,51.615807],[-0.41544,51.615872],[-0.415709,51.616003],[-0.415852,51.616093],[-0.415981,51.6162],[-0.416098,51.616241],[-0.416536,51.616364],[-0.416609,51.616365],[-0.416731,51.6164],[-0.416911,51.616448],[-0.41707,51.616479],[-0.417119,51.616391],[-0.41722,51.616217],[-0.417338,51.616003],[-0.417402,51.615891],[-0.41764,51.615946],[-0.41767,51.615891],[-0.418137,51.615993],[-0.418082,51.616092],[-0.418505,51.616183],[-0.418507,51.616196],[-0.419211,51.616345],[-0.419466,51.616378],[-0.419524,51.616384],[-0.419516,51.61641],[-0.419509,51.616409],[-0.419482,51.616493]]]]},"type":"Feature","properties":{"entry-date":"2026-03-13","start-date":"1989-01-02","end-date":"","entity":44015537,"name":"Northwood, Frithwood","dataset":"conservation-area","typology":"geography","reference":"CA-15","prefix":"conservation-area","organisation-entity":167,"quality":"authoritative","document-url":"https://www.hillingdon.gov.uk/media/3873/Northwood-Frithwood-Leaflet/pdf/miNorthwood-Frithwood_final_leaflet.pdf?m=1603208724627","designation-date":"1989-01-02"}}