{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.307421,51.481781],[-0.307383,51.481781],[-0.307383,51.481726],[-0.306683,51.481756],[-0.30646,51.481768],[-0.30641,51.481775],[-0.30589,51.48187],[-0.305251,51.48196],[-0.305264,51.481999],[-0.3049,51.482069],[-0.304898,51.482064],[-0.304427,51.482143],[-0.304421,51.48213],[-0.304308,51.482149],[-0.3043,51.482132],[-0.304276,51.482127],[-0.304251,51.482134],[-0.304234,51.482097],[-0.304209,51.482019],[-0.304149,51.482024],[-0.304104,51.482068],[-0.303389,51.48217],[-0.303162,51.482191],[-0.303108,51.482199],[-0.302967,51.482229],[-0.302827,51.482272],[-0.302754,51.482298],[-0.302552,51.482352],[-0.30227,51.482399],[-0.302121,51.482422],[-0.301986,51.482446],[-0.301809,51.482482],[-0.301755,51.482496],[-0.301688,51.482518],[-0.301539,51.482555],[-0.301354,51.482592],[-0.30095,51.482648],[-0.300841,51.482652],[-0.300784,51.482643],[-0.300729,51.482626],[-0.300624,51.482579],[-0.300554,51.48253],[-0.300501,51.482475],[-0.300492,51.482404],[-0.300495,51.482362],[-0.300509,51.482317],[-0.300524,51.482293],[-0.300566,51.482251],[-0.300603,51.482223],[-0.300692,51.482174],[-0.300818,51.4821],[-0.300864,51.482091],[-0.30091,51.482066],[-0.300944,51.482037],[-0.301119,51.482013],[-0.30113,51.482013],[-0.30119,51.482185],[-0.301905,51.482092],[-0.302569,51.482003],[-0.302568,51.481936],[-0.302738,51.481915],[-0.302896,51.481891],[-0.303122,51.481852],[-0.303297,51.481819],[-0.303258,51.481607],[-0.303117,51.481617],[-0.303037,51.481619],[-0.3029,51.481618],[-0.302721,51.481619],[-0.302719,51.481402],[-0.302716,51.481276],[-0.302211,51.481279],[-0.302144,51.481266],[-0.302084,51.481282],[-0.302021,51.481266],[-0.301993,51.481273],[-0.301975,51.481287],[-0.301972,51.481332],[-0.301389,51.48174],[-0.301334,51.481772],[-0.301233,51.481808],[-0.301157,51.481831],[-0.301063,51.481847],[-0.301051,51.481879],[-0.300794,51.48191],[-0.30077,51.481896],[-0.300763,51.481858],[-0.300794,51.481822],[-0.300362,51.48165],[-0.300264,51.481736],[-0.300085,51.481907],[-0.299864,51.48211],[-0.299648,51.482316],[-0.299559,51.482393],[-0.299486,51.482464],[-0.299417,51.482524],[-0.299352,51.482589],[-0.299107,51.482871],[-0.298957,51.483048],[-0.300187,51.483162],[-0.300116,51.483316],[-0.300123,51.483348],[-0.300171,51.483381],[-0.300295,51.483323],[-0.300315,51.483307],[-0.300334,51.483208],[-0.301337,51.483043],[-0.301334,51.483034],[-0.301739,51.482962],[-0.301751,51.482949],[-0.302208,51.482838],[-0.302211,51.482842],[-0.302431,51.482798],[-0.302483,51.482819],[-0.302664,51.482759],[-0.302789,51.482735],[-0.302836,51.48279],[-0.303265,51.482648],[-0.303455,51.482695],[-0.303777,51.483104],[-0.303952,51.483137],[-0.30409,51.483267],[-0.304107,51.483257],[-0.304206,51.483222],[-0.304448,51.483147],[-0.304518,51.483121],[-0.304574,51.483087],[-0.304884,51.482807],[-0.304917,51.482833],[-0.304944,51.482864],[-0.304972,51.482919],[-0.304977,51.482938],[-0.304986,51.48306],[-0.304992,51.483096],[-0.305005,51.483126],[-0.305043,51.48318],[-0.305211,51.483429],[-0.305313,51.483554],[-0.305334,51.483586],[-0.305614,51.483554],[-0.305959,51.4835],[-0.305899,51.48342],[-0.305921,51.483414],[-0.3058,51.483214],[-0.305749,51.483237],[-0.305661,51.483261],[-0.305351,51.483404],[-0.305236,51.483265],[-0.305089,51.483083],[-0.305091,51.483052],[-0.305103,51.483031],[-0.305145,51.482994],[-0.305075,51.482968],[-0.305048,51.482868],[-0.305001,51.482803],[-0.305014,51.482795],[-0.305071,51.482701],[-0.305562,51.482803],[-0.305696,51.482857],[-0.305649,51.482918],[-0.30554,51.482948],[-0.305545,51.482957],[-0.305657,51.48309],[-0.305814,51.482996],[-0.305968,51.482967],[-0.306024,51.482945],[-0.306152,51.482879],[-0.306196,51.482914],[-0.306278,51.482835],[-0.306329,51.482795],[-0.306293,51.482776],[-0.306039,51.482657],[-0.306018,51.482672],[-0.305902,51.482617],[-0.305857,51.482491],[-0.305909,51.482455],[-0.305962,51.482444],[-0.306142,51.482541],[-0.306202,51.482514],[-0.306345,51.482424],[-0.306323,51.48241],[-0.306257,51.482319],[-0.306158,51.482358],[-0.306083,51.482284],[-0.305968,51.482165],[-0.306109,51.482112],[-0.306559,51.482049],[-0.306782,51.482031],[-0.30687,51.482034],[-0.306958,51.48205],[-0.307029,51.482066],[-0.307069,51.482081],[-0.307234,51.482151],[-0.307315,51.482188],[-0.30738,51.482221],[-0.307623,51.482311],[-0.307676,51.4823],[-0.307684,51.482287],[-0.307717,51.482282],[-0.307734,51.482271],[-0.307818,51.482261],[-0.307879,51.482265],[-0.308058,51.482238],[-0.308252,51.482177],[-0.3081,51.482011],[-0.308067,51.48197],[-0.308102,51.481961],[-0.308223,51.481919],[-0.308355,51.481869],[-0.308443,51.481833],[-0.308525,51.481793],[-0.308647,51.481723],[-0.308904,51.481739],[-0.308918,51.481805],[-0.309179,51.481829],[-0.309357,51.482102],[-0.309495,51.48208],[-0.309785,51.482482],[-0.30988,51.482617],[-0.309682,51.482675],[-0.309657,51.482689],[-0.309488,51.482745],[-0.309382,51.482782],[-0.309475,51.48289],[-0.309538,51.482975],[-0.309534,51.482978],[-0.309596,51.483055],[-0.309776,51.483203],[-0.309855,51.483251],[-0.309989,51.483347],[-0.309772,51.483535],[-0.309703,51.483764],[-0.309853,51.483967],[-0.309669,51.484037],[-0.309826,51.484325],[-0.30992,51.484267],[-0.310059,51.484187],[-0.310276,51.484418],[-0.310466,51.484574],[-0.310642,51.484686],[-0.31065,51.484707],[-0.310592,51.484737],[-0.31065,51.484755],[-0.311525,51.485051],[-0.311537,51.485043],[-0.311959,51.485132],[-0.312015,51.485097],[-0.312382,51.485183],[-0.312717,51.485264],[-0.313208,51.485385],[-0.313544,51.485472],[-0.313774,51.485589],[-0.313843,51.485628],[-0.313935,51.485723],[-0.313964,51.485759],[-0.314071,51.485908],[-0.314185,51.486036],[-0.314252,51.486121],[-0.314367,51.486232],[-0.314413,51.486259],[-0.314457,51.486276],[-0.314497,51.486317],[-0.314556,51.486385],[-0.314624,51.486451],[-0.31479,51.486565],[-0.314895,51.486629],[-0.315196,51.486738],[-0.315245,51.486751],[-0.315569,51.486823],[-0.315586,51.486834],[-0.315901,51.486802],[-0.316313,51.486763],[-0.316499,51.486718],[-0.316556,51.486714],[-0.316614,51.486716],[-0.316697,51.486731],[-0.316727,51.486743],[-0.316773,51.486778],[-0.317204,51.486921],[-0.31758,51.487031],[-0.317628,51.487036],[-0.317785,51.487067],[-0.317894,51.487082],[-0.318098,51.487102],[-0.318349,51.487129],[-0.318711,51.487171],[-0.318953,51.487195],[-0.319086,51.4872],[-0.319319,51.487215],[-0.319365,51.487251],[-0.31938,51.487277],[-0.319375,51.487303],[-0.319355,51.48733],[-0.319297,51.487358],[-0.319257,51.487366],[-0.31919,51.487369],[-0.319176,51.487376],[-0.318446,51.487998],[-0.318338,51.488105],[-0.318216,51.488236],[-0.318168,51.488276],[-0.318073,51.488362],[-0.318008,51.488414],[-0.317574,51.48871],[-0.317154,51.488991],[-0.316551,51.489405],[-0.316343,51.48954],[-0.316214,51.48963],[-0.316018,51.48977],[-0.316302,51.490056],[-0.316586,51.490334],[-0.316818,51.490569],[-0.317002,51.490758],[-0.31659,51.490914],[-0.316559,51.490914],[-0.316611,51.490988],[-0.316725,51.491108],[-0.316838,51.491217],[-0.317021,51.491371],[-0.31719,51.491517],[-0.317314,51.49162],[-0.317386,51.491687],[-0.317429,51.491736],[-0.317488,51.491826],[-0.317612,51.492059],[-0.31765,51.492126],[-0.31769,51.492182],[-0.317735,51.492234],[-0.317895,51.492401],[-0.318173,51.492658],[-0.318557,51.493008],[-0.31866,51.493099],[-0.318792,51.493208],[-0.318919,51.493306],[-0.318931,51.493312],[-0.318973,51.493311],[-0.319037,51.493282],[-0.319422,51.493081],[-0.319464,51.493042],[-0.319595,51.492902],[-0.319621,51.492886],[-0.319669,51.492874],[-0.31974,51.492872],[-0.319766,51.49288],[-0.320047,51.492999],[-0.320185,51.49304],[-0.320498,51.492765],[-0.320492,51.492762],[-0.320643,51.492622],[-0.320863,51.492401],[-0.320926,51.492351],[-0.320987,51.492324],[-0.321082,51.492307],[-0.321132,51.492307],[-0.321196,51.492321],[-0.321462,51.492421],[-0.321487,51.492429],[-0.321562,51.492435],[-0.321686,51.492424],[-0.321738,51.492414],[-0.321829,51.492376],[-0.321896,51.492342],[-0.321964,51.492297],[-0.322062,51.492221],[-0.322292,51.492072],[-0.322327,51.492052],[-0.322409,51.492028],[-0.322497,51.49202],[-0.322557,51.492019],[-0.322685,51.492022],[-0.322749,51.492031],[-0.323021,51.491997],[-0.323598,51.492013],[-0.323844,51.492027],[-0.323935,51.49203],[-0.32416,51.492047],[-0.324292,51.492055],[-0.324379,51.492056],[-0.324712,51.492046],[-0.325137,51.492029],[-0.325204,51.492007],[-0.325237,51.492],[-0.325383,51.491988],[-0.325562,51.491983],[-0.325619,51.491978],[-0.325863,51.491947],[-0.326175,51.491914],[-0.32622,51.491961],[-0.326297,51.49195],[-0.326411,51.491925],[-0.326597,51.491887],[-0.326682,51.491875],[-0.326834,51.491874],[-0.326958,51.491876],[-0.327146,51.491887],[-0.327429,51.49192],[-0.327583,51.491954],[-0.327715,51.491986],[-0.327944,51.492048],[-0.328074,51.492085],[-0.328658,51.49233],[-0.328894,51.492414],[-0.328959,51.492432],[-0.329475,51.493212],[-0.329621,51.493542],[-0.329966,51.494339],[-0.330379,51.495208],[-0.330709,51.49535],[-0.331401,51.495561],[-0.331589,51.495608],[-0.331604,51.495572],[-0.331549,51.495546],[-0.331467,51.495496],[-0.33143,51.495465],[-0.331414,51.495439],[-0.331388,51.495355],[-0.331269,51.495171],[-0.331139,51.494896],[-0.330955,51.494316],[-0.330907,51.494187],[-0.330883,51.494132],[-0.330608,51.493556],[-0.330543,51.493426],[-0.330503,51.493354],[-0.33049,51.493318],[-0.330472,51.493236],[-0.330455,51.493134],[-0.33044,51.493068],[-0.330418,51.493001],[-0.33035,51.492854],[-0.330325,51.492809],[-0.330274,51.492727],[-0.330188,51.492611],[-0.330093,51.492535],[-0.330216,51.492475],[-0.329897,51.492241],[-0.329757,51.492156],[-0.329583,51.492088],[-0.329514,51.492058],[-0.329435,51.492031],[-0.329264,51.49198],[-0.329116,51.491947],[-0.328981,51.491908],[-0.328604,51.491771],[-0.328469,51.49172],[-0.32835,51.491671],[-0.328192,51.491599],[-0.327919,51.491488],[-0.327835,51.491466],[-0.327637,51.491403],[-0.327576,51.491389],[-0.327456,51.491367],[-0.327043,51.491318],[-0.326972,51.491317],[-0.326771,51.491333],[-0.326689,51.491334],[-0.326559,51.491312],[-0.326499,51.491305],[-0.326411,51.491286],[-0.32637,51.491259],[-0.326311,51.491245],[-0.326201,51.49136],[-0.325949,51.491276],[-0.325856,51.491285],[-0.325802,51.491346],[-0.325844,51.491414],[-0.325877,51.49148],[-0.325493,51.491525],[-0.324758,51.491607],[-0.32458,51.491574],[-0.324411,51.491548],[-0.324163,51.491633],[-0.323902,51.491587],[-0.323795,51.491564],[-0.323385,51.491435],[-0.323294,51.491404],[-0.323032,51.491304],[-0.322808,51.491224],[-0.322587,51.491134],[-0.322472,51.491081],[-0.322233,51.490956],[-0.322065,51.490865],[-0.322016,51.490833],[-0.321924,51.490759],[-0.321872,51.490714],[-0.321789,51.490622],[-0.32169,51.490499],[-0.321632,51.490386],[-0.321605,51.490314],[-0.321554,51.490155],[-0.32152,51.490001],[-0.321514,51.48996],[-0.321513,51.489888],[-0.321516,51.48979],[-0.321533,51.489662],[-0.321538,51.489558],[-0.321548,51.489503],[-0.321598,51.489287],[-0.321613,51.489251],[-0.321645,51.489216],[-0.321749,51.488662],[-0.321755,51.488621],[-0.321762,51.488526],[-0.321764,51.488431],[-0.321756,51.488349],[-0.321743,51.4883],[-0.321692,51.488152],[-0.321638,51.48803],[-0.321595,51.487946],[-0.321555,51.487882],[-0.321516,51.487828],[-0.321471,51.487774],[-0.321442,51.487774],[-0.321328,51.487668],[-0.321116,51.487479],[-0.320822,51.487244],[-0.320712,51.487176],[-0.320585,51.48711],[-0.320441,51.487057],[-0.320166,51.486988],[-0.320069,51.486971],[-0.319938,51.486959],[-0.319703,51.486952],[-0.319428,51.486953],[-0.319316,51.486957],[-0.31912,51.486957],[-0.318889,51.486942],[-0.31872,51.486927],[-0.31849,51.486901],[-0.318309,51.486872],[-0.318072,51.486831],[-0.317671,51.48677],[-0.317106,51.486638],[-0.316907,51.486567],[-0.316761,51.486518],[-0.316569,51.486467],[-0.316437,51.486441],[-0.316346,51.486434],[-0.316296,51.486438],[-0.31587,51.486513],[-0.315781,51.486523],[-0.315661,51.48653],[-0.315582,51.48653],[-0.31552,51.486524],[-0.315441,51.48651],[-0.315358,51.48649],[-0.315267,51.486458],[-0.31511,51.486393],[-0.314949,51.486311],[-0.314884,51.48627],[-0.314717,51.486139],[-0.314658,51.486086],[-0.31453,51.485938],[-0.314435,51.485872],[-0.314644,51.485775],[-0.314297,51.485476],[-0.314302,51.485473],[-0.314224,51.485411],[-0.313812,51.485106],[-0.313799,51.485113],[-0.312933,51.484468],[-0.31272,51.484308],[-0.312261,51.483957],[-0.312089,51.48383],[-0.311906,51.483692],[-0.311921,51.483685],[-0.311849,51.483647],[-0.312332,51.483624],[-0.312313,51.483513],[-0.312382,51.48351],[-0.31246,51.483403],[-0.312642,51.483171],[-0.312621,51.483163],[-0.312749,51.483011],[-0.312862,51.482901],[-0.312878,51.482912],[-0.312994,51.482783],[-0.313118,51.48269],[-0.313094,51.482675],[-0.31276,51.482541],[-0.31273,51.482527],[-0.312708,51.4825],[-0.312711,51.482454],[-0.312758,51.482411],[-0.312902,51.482364],[-0.313014,51.482312],[-0.313074,51.482279],[-0.313156,51.482323],[-0.313228,51.482372],[-0.313399,51.482484],[-0.313456,51.482525],[-0.313502,51.482549],[-0.313541,51.482506],[-0.313558,51.482514],[-0.313581,51.482499],[-0.313751,51.482588],[-0.314016,51.482743],[-0.314191,51.482849],[-0.314286,51.482786],[-0.314404,51.482727],[-0.314223,51.482652],[-0.313731,51.48236],[-0.31363,51.482279],[-0.313491,51.482174],[-0.31345,51.482141],[-0.313352,51.482037],[-0.31319,51.482103],[-0.312841,51.482239],[-0.312389,51.48231],[-0.312309,51.482233],[-0.312345,51.482155],[-0.312371,51.48209],[-0.312493,51.481812],[-0.312519,51.481745],[-0.312538,51.481669],[-0.312537,51.48162],[-0.312525,51.481568],[-0.312446,51.481288],[-0.311774,51.481007],[-0.311516,51.480907],[-0.311243,51.48081],[-0.311269,51.480786],[-0.311075,51.480753],[-0.310628,51.480704],[-0.310555,51.480702],[-0.310167,51.4807],[-0.310052,51.480705],[-0.309328,51.480805],[-0.309254,51.480822],[-0.309181,51.480843],[-0.308928,51.480931],[-0.308838,51.480966],[-0.30874,51.481015],[-0.308674,51.481057],[-0.308609,51.481112],[-0.30847,51.48128],[-0.30839,51.48138],[-0.308364,51.481424],[-0.308362,51.481452],[-0.308375,51.481491],[-0.30837,51.481504],[-0.308329,51.481553],[-0.308305,51.481593],[-0.308175,51.481694],[-0.308066,51.481739],[-0.308003,51.481756],[-0.307858,51.481779],[-0.3078,51.481782],[-0.30758,51.481785],[-0.307421,51.481781]]]]},"type":"Feature","properties":{"entry-date":"2026-03-20","start-date":"","end-date":"","entity":44015585,"name":"Grand Union Canal & Boston Manor","dataset":"conservation-area","typology":"geography","reference":"HSLCA21","prefix":"conservation-area","organisation-entity":170,"quality":"authoritative","document-url":"https://www.hounslow.gov.uk/downloads/file/13329/grand-union-canal-boston-manor-conservation-area-appraisal","designation-date":"2001-07-24","documentation-url":"https://www.hounslow.gov.uk/planning-building/design-conservation/4"}}