{"type":"FeatureCollection","name":"Welwyn Hatfield","boundary_date":"May 2026","attribution":"ONS; contains OS data © Crown copyright and database right 2026. Open Government Licence.","source":"https://geoportal.statistics.gov.uk/datasets/43eddab36751466db7bb4006b242243c_0/about","features":[{"type":"Feature","properties":{"code":"E07000241","name":"Welwyn Hatfield","kind":"boundary"},"geometry":{"type":"Polygon","coordinates":[[[-0.18196,51.85997],[-0.18196,51.85964],[-0.17937,51.85966],[-0.17781,51.85921],[-0.17699,51.85857],[-0.17448,51.85804],[-0.1744,51.85628],[-0.17119,51.85611],[-0.16932,51.855],[-0.17002,51.85399],[-0.16803,51.8536],[-0.16485,51.84893],[-0.16512,51.84725],[-0.16572,51.84672],[-0.16557,51.84408],[-0.16517,51.8437],[-0.16584,51.8432],[-0.16732,51.84297],[-0.16729,51.83951],[-0.16841,51.83864],[-0.17041,51.83968],[-0.17095,51.83928],[-0.17181,51.83951],[-0.17521,51.84142],[-0.17593,51.84089],[-0.17694,51.84071],[-0.17395,51.83824],[-0.17191,51.83888],[-0.16987,51.83814],[-0.16844,51.83819],[-0.16828,51.83763],[-0.17262,51.83637],[-0.16822,51.83379],[-0.16852,51.83364],[-0.16676,51.83162],[-0.16684,51.83068],[-0.16788,51.82811],[-0.16971,51.82654],[-0.17114,51.82374],[-0.1781,51.81944],[-0.17967,51.81665],[-0.1807,51.81698],[-0.18201,51.81459],[-0.17242,51.80959],[-0.16687,51.80871],[-0.16435,51.80862],[-0.16291,51.80796],[-0.16182,51.80782],[-0.15843,51.80652],[-0.15981,51.80459],[-0.15502,51.80395],[-0.15501,51.80354],[-0.15237,51.80263],[-0.15113,51.80168],[-0.14841,51.80135],[-0.14864,51.79865],[-0.14638,51.79854],[-0.15442,51.79854],[-0.15582,51.7978],[-0.15608,51.79581],[-0.15874,51.79604],[-0.16239,51.79437],[-0.16369,51.79296],[-0.16512,51.79207],[-0.16294,51.79176],[-0.16324,51.79038],[-0.16243,51.78887],[-0.16297,51.78883],[-0.16088,51.78693],[-0.15754,51.78562],[-0.15085,51.77989],[-0.14168,51.77376],[-0.13985,51.77325],[-0.14035,51.77289],[-0.14085,51.77333],[-0.14183,51.77299],[-0.14103,51.7686],[-0.14186,51.76671],[-0.14113,51.76248],[-0.1413,51.75787],[-0.1421,51.75766],[-0.14219,51.75701],[-0.14109,51.75423],[-0.13657,51.75103],[-0.13704,51.75015],[-0.137,51.74715],[-0.13806,51.74383],[-0.13741,51.74183],[-0.1375,51.7395],[-0.1368,51.73854],[-0.13682,51.73679],[-0.13342,51.73842],[-0.12667,51.73872],[-0.12679,51.74093],[-0.12436,51.7408],[-0.12208,51.74124],[-0.11915,51.74119],[-0.11505,51.74166],[-0.11097,51.74107],[-0.10704,51.7413],[-0.10359,51.74107],[-0.10079,51.74232],[-0.0996,51.74465],[-0.09451,51.74392],[-0.09055,51.74272],[-0.09417,51.74019],[-0.09539,51.73721],[-0.09706,51.73546],[-0.09987,51.73249],[-0.10024,51.73133],[-0.10078,51.73126],[-0.10026,51.72963],[-0.10154,51.72876],[-0.10367,51.72842],[-0.10389,51.72719],[-0.10592,51.72487],[-0.10635,51.72484],[-0.10865,51.72269],[-0.11249,51.72032],[-0.11179,51.71822],[-0.11028,51.71658],[-0.10643,51.71363],[-0.10394,51.71308],[-0.10574,51.7123],[-0.10598,51.71068],[-0.10558,51.70751],[-0.1059,51.70502],[-0.10481,51.69626],[-0.10408,51.69385],[-0.10447,51.69213],[-0.10419,51.69138],[-0.10817,51.69114],[-0.11661,51.68857],[-0.12048,51.68803],[-0.12718,51.68836],[-0.13306,51.68829],[-0.13753,51.68751],[-0.14392,51.68564],[-0.14785,51.68502],[-0.15129,51.68531],[-0.15703,51.6869],[-0.16191,51.68762],[-0.16153,51.69937],[-0.16291,51.69991],[-0.16814,51.701],[-0.17053,51.70225],[-0.17087,51.70209],[-0.17176,51.70252],[-0.17214,51.70215],[-0.17615,51.70347],[-0.17984,51.70552],[-0.18174,51.70603],[-0.18605,51.7065],[-0.18827,51.70732],[-0.18887,51.70659],[-0.19303,51.70781],[-0.19422,51.70871],[-0.19785,51.70937],[-0.20104,51.70925],[-0.20315,51.70942],[-0.2049,51.70915],[-0.20538,51.70978],[-0.20617,51.70991],[-0.20921,51.70978],[-0.21153,51.71022],[-0.21317,51.71079],[-0.21681,51.71322],[-0.21947,51.71308],[-0.22068,51.71264],[-0.22179,51.71235],[-0.22546,51.71221],[-0.22816,51.71119],[-0.23065,51.71089],[-0.23269,51.71027],[-0.23362,51.70961],[-0.23575,51.70543],[-0.23739,51.70565],[-0.23771,51.70744],[-0.23947,51.70993],[-0.23896,51.71264],[-0.23948,51.71529],[-0.24921,51.72414],[-0.25067,51.72627],[-0.25356,51.72905],[-0.24818,51.73069],[-0.24784,51.73039],[-0.24743,51.73054],[-0.24877,51.73209],[-0.24672,51.73196],[-0.24527,51.73099],[-0.24285,51.7314],[-0.24439,51.73384],[-0.24488,51.73767],[-0.24393,51.73917],[-0.24331,51.73927],[-0.24327,51.74065],[-0.24,51.74192],[-0.24042,51.74272],[-0.24103,51.74411],[-0.2408,51.74452],[-0.24401,51.75128],[-0.24793,51.74876],[-0.25148,51.74723],[-0.25429,51.74878],[-0.2535,51.74949],[-0.25494,51.75102],[-0.25572,51.75136],[-0.25416,51.75295],[-0.2565,51.75421],[-0.25554,51.75447],[-0.25769,51.7557],[-0.25882,51.75698],[-0.25816,51.75711],[-0.25967,51.75804],[-0.25706,51.75976],[-0.26096,51.76284],[-0.26078,51.76314],[-0.26539,51.7675],[-0.26726,51.76931],[-0.27033,51.76859],[-0.27175,51.77017],[-0.27426,51.77177],[-0.27396,51.77245],[-0.27533,51.77443],[-0.27585,51.7776],[-0.27246,51.78232],[-0.27234,51.78607],[-0.27103,51.78752],[-0.26963,51.79053],[-0.27,51.79149],[-0.27281,51.79371],[-0.27597,51.79731],[-0.27515,51.7976],[-0.27372,51.79923],[-0.27252,51.79956],[-0.2682,51.80017],[-0.26217,51.80196],[-0.25488,51.80278],[-0.25138,51.80463],[-0.24941,51.80497],[-0.24738,51.80599],[-0.24429,51.80661],[-0.2422,51.8089],[-0.24185,51.81231],[-0.24504,51.81431],[-0.24673,51.81635],[-0.24706,51.81776],[-0.24848,51.81866],[-0.24861,51.81923],[-0.25007,51.81986],[-0.25068,51.82124],[-0.25358,51.82218],[-0.25992,51.82791],[-0.26209,51.83193],[-0.26348,51.83336],[-0.26501,51.83404],[-0.27196,51.83489],[-0.27122,51.83603],[-0.27144,51.83921],[-0.27107,51.83998],[-0.26975,51.83999],[-0.26655,51.84173],[-0.26481,51.8413],[-0.25798,51.84428],[-0.25774,51.84413],[-0.25544,51.84497],[-0.25236,51.84406],[-0.24638,51.84576],[-0.24574,51.84568],[-0.24492,51.84474],[-0.24369,51.84411],[-0.24344,51.84303],[-0.24143,51.84225],[-0.24146,51.84133],[-0.24337,51.83894],[-0.24332,51.83835],[-0.24013,51.83587],[-0.2407,51.83525],[-0.23901,51.8345],[-0.23743,51.83452],[-0.23545,51.83598],[-0.23441,51.83576],[-0.23171,51.83591],[-0.23052,51.83609],[-0.23006,51.83647],[-0.22914,51.83629],[-0.22847,51.83557],[-0.22746,51.8356],[-0.22635,51.83658],[-0.22528,51.83663],[-0.2241,51.83717],[-0.22426,51.83629],[-0.22534,51.83542],[-0.22535,51.83479],[-0.22452,51.83444],[-0.22484,51.83408],[-0.22443,51.83358],[-0.22333,51.83276],[-0.22009,51.83362],[-0.22186,51.83481],[-0.21826,51.83621],[-0.21861,51.83714],[-0.2171,51.83794],[-0.218,51.83833],[-0.2192,51.83829],[-0.2202,51.83877],[-0.22099,51.83853],[-0.22261,51.83974],[-0.22221,51.83999],[-0.22184,51.84084],[-0.22441,51.84324],[-0.22417,51.84407],[-0.22236,51.84616],[-0.22144,51.84574],[-0.22076,51.84422],[-0.21667,51.84616],[-0.21729,51.84657],[-0.21558,51.84723],[-0.21491,51.84847],[-0.21134,51.85092],[-0.20883,51.84938],[-0.20971,51.84888],[-0.20713,51.8471],[-0.20438,51.84592],[-0.20665,51.84422],[-0.21059,51.84202],[-0.21112,51.84109],[-0.21366,51.83957],[-0.21298,51.83913],[-0.2104,51.8401],[-0.20901,51.83997],[-0.20654,51.84149],[-0.20383,51.8439],[-0.20236,51.84442],[-0.19987,51.84306],[-0.19757,51.84348],[-0.19714,51.84388],[-0.19784,51.84412],[-0.19696,51.84499],[-0.19711,51.84547],[-0.19597,51.84566],[-0.19559,51.84845],[-0.19483,51.84907],[-0.19605,51.84975],[-0.19747,51.84926],[-0.20042,51.85104],[-0.20206,51.85275],[-0.20153,51.8535],[-0.20193,51.85428],[-0.20359,51.85283],[-0.2051,51.85379],[-0.20336,51.8548],[-0.20263,51.85456],[-0.1993,51.85615],[-0.19851,51.85598],[-0.19715,51.8573],[-0.19601,51.85722],[-0.19524,51.8589],[-0.19417,51.85861],[-0.19022,51.85684],[-0.18891,51.85775],[-0.18808,51.85732],[-0.18481,51.85895],[-0.18419,51.85846],[-0.1843,51.85977],[-0.18196,51.85997]]]}},{"type":"Feature","bbox":[-0.22155,51.70264,-0.13816,51.78932],"properties":{"code":"E05011058","name":"Brookmans Park and Little Heath","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.13841,51.73728],[-0.14093,51.73651],[-0.14432,51.73458],[-0.14707,51.73521],[-0.15188,51.73743],[-0.15478,51.73708],[-0.15374,51.73211],[-0.15213,51.72924],[-0.1492,51.72952],[-0.14794,51.72779],[-0.15323,51.72708],[-0.15554,51.72643],[-0.15712,51.72563],[-0.15665,51.72465],[-0.15692,51.72306],[-0.1617,51.7153],[-0.16241,51.71274],[-0.16419,51.709],[-0.16936,51.70452],[-0.17212,51.70274],[-0.17334,51.703],[-0.17372,51.70264],[-0.17774,51.70396],[-0.18143,51.706],[-0.18333,51.70652],[-0.18763,51.70698],[-0.18986,51.70781],[-0.19045,51.70708],[-0.19462,51.7083],[-0.1958,51.7092],[-0.19943,51.70985],[-0.20263,51.70974],[-0.20395,51.71347],[-0.20456,51.71743],[-0.20551,51.72862],[-0.20443,51.72991],[-0.203,51.73075],[-0.20144,51.73108],[-0.19871,51.73038],[-0.19092,51.73113],[-0.18708,51.72957],[-0.18833,51.73216],[-0.18813,51.73368],[-0.18433,51.73211],[-0.1841,51.73297],[-0.17771,51.73289],[-0.18042,51.73385],[-0.1856,51.7342],[-0.18686,51.73672],[-0.18847,51.73679],[-0.18914,51.73834],[-0.19293,51.73652],[-0.19553,51.73587],[-0.19905,51.73688],[-0.20258,51.73705],[-0.20788,51.73801],[-0.20972,51.73919],[-0.21194,51.74217],[-0.21374,51.74357],[-0.22024,51.74556],[-0.22155,51.74802],[-0.21179,51.75213],[-0.21114,51.75277],[-0.19504,51.74461],[-0.19342,51.7459],[-0.19596,51.74755],[-0.19534,51.74867],[-0.19332,51.74964],[-0.19008,51.74978],[-0.18754,51.74931],[-0.17886,51.7495],[-0.17682,51.74967],[-0.17344,51.7506],[-0.17586,51.75549],[-0.17681,51.75597],[-0.1787,51.75849],[-0.18148,51.75975],[-0.18338,51.76261],[-0.18582,51.76466],[-0.18578,51.76571],[-0.18362,51.77097],[-0.184,51.77371],[-0.18289,51.77318],[-0.1814,51.77328],[-0.18008,51.774],[-0.17797,51.77399],[-0.1774,51.77445],[-0.17644,51.77465],[-0.17535,51.77437],[-0.17456,51.77473],[-0.17349,51.77423],[-0.17279,51.77439],[-0.17193,51.77411],[-0.17153,51.77456],[-0.17055,51.77428],[-0.17021,51.7746],[-0.17197,51.77505],[-0.17307,51.77607],[-0.17527,51.77935],[-0.17127,51.7822],[-0.17045,51.78397],[-0.16937,51.78367],[-0.16889,51.78483],[-0.16587,51.78472],[-0.16342,51.78397],[-0.16288,51.78518],[-0.16188,51.7861],[-0.16544,51.78845],[-0.16456,51.78932],[-0.16247,51.78741],[-0.15913,51.78611],[-0.15245,51.78037],[-0.14327,51.77425],[-0.14244,51.77382],[-0.14342,51.77348],[-0.14262,51.76909],[-0.14345,51.7672],[-0.14271,51.76297],[-0.1429,51.75836],[-0.14369,51.75815],[-0.14378,51.7575],[-0.14268,51.75472],[-0.13816,51.75152],[-0.13863,51.75064],[-0.13859,51.74764],[-0.13965,51.74431],[-0.139,51.74231],[-0.13909,51.73998],[-0.13839,51.73903],[-0.13841,51.73728]]]}},{"type":"Feature","bbox":[-0.20134,51.79772,-0.16341,51.81738],"properties":{"code":"E05011059","name":"Haldens","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.1836,51.81506],[-0.17401,51.81008],[-0.16846,51.80919],[-0.16594,51.8091],[-0.1645,51.80844],[-0.16341,51.8083],[-0.16596,51.80632],[-0.16892,51.80622],[-0.16926,51.80511],[-0.16449,51.80443],[-0.16684,51.8028],[-0.16554,51.80167],[-0.16579,51.80076],[-0.16669,51.79988],[-0.17097,51.79788],[-0.17273,51.79772],[-0.17643,51.79863],[-0.17781,51.7985],[-0.17942,51.79991],[-0.18119,51.80081],[-0.18177,51.79996],[-0.18135,51.79796],[-0.18254,51.79791],[-0.18355,51.79829],[-0.18769,51.80018],[-0.19121,51.80278],[-0.19244,51.80447],[-0.19621,51.80633],[-0.19778,51.8068],[-0.19923,51.8068],[-0.20052,51.80632],[-0.20134,51.80533],[-0.20123,51.80557],[-0.19838,51.81124],[-0.19474,51.81071],[-0.1904,51.81261],[-0.18855,51.81446],[-0.18825,51.81738],[-0.1836,51.81506]]]}},{"type":"Feature","bbox":[-0.22865,51.78176,-0.20123,51.81381],"properties":{"code":"E05011060","name":"Handside","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.20123,51.80557],[-0.20134,51.80533],[-0.2073,51.79384],[-0.21406,51.78176],[-0.21961,51.78456],[-0.22074,51.78584],[-0.22138,51.78523],[-0.22254,51.78504],[-0.22667,51.78866],[-0.22726,51.7906],[-0.22586,51.79482],[-0.22815,51.8026],[-0.22865,51.80919],[-0.22806,51.80918],[-0.22591,51.81381],[-0.22229,51.81083],[-0.22063,51.80667],[-0.21834,51.80529],[-0.21633,51.80488],[-0.21456,51.8049],[-0.20719,51.8063],[-0.20492,51.80601],[-0.20329,51.80508],[-0.20275,51.8054],[-0.20123,51.80557]]]}},{"type":"Feature","bbox":[-0.24295,51.75903,-0.21406,51.78584],"properties":{"code":"E05011061","name":"Hatfield Central","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.21406,51.78176],[-0.21605,51.77717],[-0.21578,51.76748],[-0.21617,51.76748],[-0.21676,51.76838],[-0.21785,51.76897],[-0.22105,51.76909],[-0.22863,51.76635],[-0.22544,51.76438],[-0.22359,51.7639],[-0.22455,51.76275],[-0.22651,51.76178],[-0.2282,51.76203],[-0.23339,51.76124],[-0.23928,51.75903],[-0.24149,51.76024],[-0.24295,51.7607],[-0.24277,51.76095],[-0.23898,51.76308],[-0.23179,51.7712],[-0.22557,51.77584],[-0.22404,51.77737],[-0.22304,51.77903],[-0.22258,51.78104],[-0.22274,51.78273],[-0.22361,51.78466],[-0.22254,51.78504],[-0.22138,51.78523],[-0.22074,51.78584],[-0.21961,51.78456],[-0.21406,51.78176]]]}},{"type":"Feature","bbox":[-0.22863,51.74461,-0.17021,51.78314],"properties":{"code":"E05011062","name":"Hatfield East","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.17527,51.77935],[-0.17307,51.77607],[-0.17197,51.77505],[-0.17021,51.7746],[-0.17055,51.77428],[-0.17153,51.77456],[-0.17193,51.77411],[-0.17279,51.77439],[-0.17349,51.77423],[-0.17456,51.77473],[-0.17535,51.77437],[-0.17644,51.77465],[-0.1774,51.77445],[-0.17797,51.77399],[-0.18008,51.774],[-0.1814,51.77328],[-0.18289,51.77318],[-0.184,51.77371],[-0.18362,51.77097],[-0.18578,51.76571],[-0.18582,51.76466],[-0.18338,51.76261],[-0.18148,51.75975],[-0.1787,51.75849],[-0.17681,51.75597],[-0.17586,51.75549],[-0.17344,51.7506],[-0.17682,51.74967],[-0.17886,51.7495],[-0.18754,51.74931],[-0.19008,51.74978],[-0.19332,51.74964],[-0.19534,51.74867],[-0.19596,51.74755],[-0.19342,51.7459],[-0.19504,51.74461],[-0.21114,51.75277],[-0.21179,51.75213],[-0.22155,51.74802],[-0.22207,51.75158],[-0.22357,51.75162],[-0.22703,51.75024],[-0.22728,51.75219],[-0.22673,51.75469],[-0.22421,51.75685],[-0.22675,51.76098],[-0.22651,51.76178],[-0.22455,51.76275],[-0.22359,51.7639],[-0.22544,51.76438],[-0.22863,51.76635],[-0.22105,51.76909],[-0.21785,51.76897],[-0.21676,51.76838],[-0.21617,51.76748],[-0.21578,51.76748],[-0.21605,51.77717],[-0.21406,51.78176],[-0.19016,51.78171],[-0.18781,51.7815],[-0.18263,51.78314],[-0.18164,51.7826],[-0.17714,51.78167],[-0.17681,51.78068],[-0.17527,51.77935]]]}},{"type":"Feature","bbox":[-0.24559,51.7418,-0.22421,51.76203],"properties":{"code":"E05011063","name":"Hatfield South West","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.22651,51.76178],[-0.22675,51.76098],[-0.22421,51.75685],[-0.22673,51.75469],[-0.22728,51.75219],[-0.22703,51.75024],[-0.22931,51.7493],[-0.23244,51.74977],[-0.23273,51.74946],[-0.23225,51.74747],[-0.23142,51.74682],[-0.23252,51.74584],[-0.23327,51.74577],[-0.23361,51.7465],[-0.23546,51.74541],[-0.2357,51.74511],[-0.2349,51.74419],[-0.23589,51.74365],[-0.23807,51.74313],[-0.23763,51.74203],[-0.23961,51.7418],[-0.24044,51.74328],[-0.242,51.7432],[-0.24261,51.7446],[-0.24238,51.74501],[-0.24559,51.75177],[-0.24503,51.75191],[-0.24515,51.75445],[-0.24434,51.75679],[-0.24149,51.76024],[-0.23928,51.75903],[-0.23339,51.76124],[-0.2282,51.76203],[-0.22651,51.76178]]]}},{"type":"Feature","bbox":[-0.27754,51.74771,-0.22254,51.80984],"properties":{"code":"E05011064","name":"Hatfield Villages","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.22865,51.80919],[-0.22815,51.8026],[-0.22586,51.79482],[-0.22726,51.7906],[-0.22667,51.78866],[-0.22254,51.78504],[-0.22361,51.78466],[-0.22274,51.78273],[-0.22258,51.78104],[-0.22304,51.77903],[-0.22404,51.77737],[-0.22557,51.77584],[-0.23179,51.7712],[-0.23898,51.76308],[-0.24277,51.76095],[-0.24295,51.7607],[-0.24149,51.76024],[-0.24434,51.75679],[-0.24515,51.75445],[-0.24503,51.75191],[-0.24559,51.75177],[-0.2495,51.74924],[-0.25306,51.74771],[-0.25588,51.74926],[-0.25507,51.74998],[-0.25651,51.75151],[-0.25729,51.75185],[-0.25574,51.75343],[-0.25808,51.75469],[-0.25711,51.75495],[-0.25927,51.75618],[-0.26039,51.75747],[-0.25974,51.75759],[-0.26125,51.75852],[-0.25863,51.76025],[-0.26254,51.76333],[-0.26235,51.76362],[-0.26697,51.76798],[-0.26883,51.76979],[-0.2719,51.76908],[-0.27333,51.77065],[-0.27584,51.77224],[-0.27553,51.77294],[-0.27691,51.77491],[-0.27743,51.77808],[-0.27405,51.7828],[-0.27392,51.78656],[-0.2726,51.788],[-0.27121,51.79101],[-0.27158,51.79197],[-0.27439,51.79419],[-0.27754,51.79779],[-0.27673,51.79808],[-0.2753,51.7997],[-0.2741,51.80003],[-0.26978,51.80066],[-0.26375,51.80244],[-0.25646,51.80326],[-0.25296,51.80511],[-0.25099,51.80545],[-0.24896,51.80647],[-0.24587,51.80709],[-0.24379,51.80938],[-0.2368,51.8089],[-0.23178,51.80984],[-0.22959,51.80963],[-0.22865,51.80919]]]}},{"type":"Feature","bbox":[-0.21406,51.78171,-0.18657,51.79397],"properties":{"code":"E05011065","name":"Hollybush","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.19312,51.79154],[-0.19136,51.7915],[-0.18927,51.79099],[-0.19039,51.78982],[-0.18895,51.78907],[-0.18726,51.78909],[-0.18772,51.78861],[-0.18711,51.78786],[-0.18657,51.78777],[-0.18781,51.78665],[-0.1871,51.7864],[-0.18735,51.78551],[-0.18693,51.78454],[-0.18944,51.78367],[-0.18923,51.78316],[-0.19016,51.78171],[-0.21406,51.78176],[-0.2073,51.79384],[-0.2043,51.79397],[-0.20378,51.79249],[-0.20385,51.79013],[-0.20156,51.78996],[-0.1999,51.79101],[-0.19931,51.79064],[-0.19742,51.7904],[-0.19613,51.79115],[-0.19312,51.79154]]]}},{"type":"Feature","bbox":[-0.19312,51.77935,-0.16188,51.79829],"properties":{"code":"E05011066","name":"Howlands","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.18135,51.79796],[-0.18113,51.79498],[-0.17971,51.79418],[-0.1774,51.7913],[-0.17723,51.79045],[-0.17327,51.79081],[-0.16997,51.79053],[-0.16746,51.79117],[-0.16402,51.78935],[-0.16456,51.78932],[-0.16544,51.78845],[-0.16188,51.7861],[-0.16288,51.78518],[-0.16342,51.78397],[-0.16587,51.78472],[-0.16889,51.78483],[-0.16937,51.78367],[-0.17045,51.78397],[-0.17127,51.7822],[-0.17527,51.77935],[-0.17681,51.78068],[-0.17714,51.78167],[-0.18164,51.7826],[-0.18263,51.78314],[-0.18781,51.7815],[-0.19016,51.78171],[-0.18923,51.78316],[-0.18944,51.78367],[-0.18693,51.78454],[-0.18735,51.78551],[-0.1871,51.7864],[-0.18781,51.78665],[-0.18657,51.78777],[-0.18711,51.78786],[-0.18772,51.78861],[-0.18726,51.78909],[-0.18895,51.78907],[-0.19039,51.78982],[-0.18927,51.79099],[-0.19136,51.7915],[-0.19312,51.79154],[-0.19258,51.79211],[-0.19292,51.79372],[-0.19149,51.79399],[-0.18973,51.79484],[-0.18876,51.79473],[-0.18671,51.79584],[-0.18684,51.7963],[-0.18592,51.79653],[-0.18355,51.79829],[-0.18254,51.79791],[-0.18135,51.79796]]]}},{"type":"Feature","bbox":[-0.17212,51.68551,-0.09214,51.74513],"properties":{"code":"E05011067","name":"Northaw and Cuffley","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.09214,51.7432],[-0.09577,51.74067],[-0.09699,51.73769],[-0.09865,51.73595],[-0.10146,51.73298],[-0.10184,51.73182],[-0.10238,51.73175],[-0.10185,51.73012],[-0.10314,51.72925],[-0.10527,51.72891],[-0.10549,51.72768],[-0.10751,51.72536],[-0.10794,51.72532],[-0.11024,51.72318],[-0.11409,51.7208],[-0.11338,51.7187],[-0.11188,51.71708],[-0.10802,51.71412],[-0.10553,51.71357],[-0.10733,51.71279],[-0.10757,51.71117],[-0.10717,51.70799],[-0.1075,51.70551],[-0.1064,51.69675],[-0.10566,51.69435],[-0.10606,51.69262],[-0.10578,51.69187],[-0.10977,51.69163],[-0.1182,51.68907],[-0.12207,51.68852],[-0.12877,51.68885],[-0.13465,51.68878],[-0.13912,51.688],[-0.14551,51.68613],[-0.14943,51.68551],[-0.15288,51.6858],[-0.15862,51.6874],[-0.16349,51.68811],[-0.16312,51.69986],[-0.16449,51.7004],[-0.16972,51.70148],[-0.17212,51.70274],[-0.16936,51.70452],[-0.16419,51.709],[-0.16241,51.71274],[-0.1617,51.7153],[-0.15692,51.72306],[-0.15665,51.72465],[-0.15712,51.72563],[-0.15554,51.72643],[-0.15323,51.72708],[-0.14794,51.72779],[-0.1492,51.72952],[-0.15213,51.72924],[-0.15374,51.73211],[-0.15478,51.73708],[-0.15188,51.73743],[-0.14707,51.73521],[-0.14432,51.73458],[-0.14093,51.73651],[-0.13841,51.73728],[-0.13501,51.73892],[-0.12827,51.73921],[-0.12838,51.74142],[-0.12595,51.74129],[-0.12367,51.74173],[-0.12075,51.74168],[-0.11664,51.74215],[-0.11257,51.74157],[-0.10864,51.74179],[-0.10518,51.74155],[-0.10238,51.74281],[-0.1012,51.74513],[-0.0961,51.74441],[-0.09214,51.7432]]]}},{"type":"Feature","bbox":[-0.18177,51.78935,-0.15,51.8083],"properties":{"code":"E05011068","name":"Panshanger","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.16402,51.78935],[-0.16746,51.79117],[-0.16997,51.79053],[-0.17327,51.79081],[-0.17723,51.79045],[-0.1774,51.7913],[-0.17971,51.79418],[-0.18113,51.79498],[-0.18135,51.79796],[-0.18177,51.79996],[-0.18119,51.80081],[-0.17942,51.79991],[-0.17781,51.7985],[-0.17643,51.79863],[-0.17273,51.79772],[-0.17097,51.79788],[-0.16669,51.79988],[-0.16579,51.80076],[-0.16554,51.80167],[-0.16684,51.8028],[-0.16449,51.80443],[-0.16926,51.80511],[-0.16892,51.80622],[-0.16596,51.80632],[-0.16341,51.8083],[-0.16002,51.807],[-0.1614,51.80508],[-0.15661,51.80443],[-0.1566,51.80402],[-0.15396,51.80311],[-0.15273,51.80216],[-0.15,51.80183],[-0.15023,51.79913],[-0.15601,51.79902],[-0.1574,51.79828],[-0.15766,51.79629],[-0.16033,51.79652],[-0.16397,51.79485],[-0.16528,51.79344],[-0.1667,51.79255],[-0.16453,51.79225],[-0.16483,51.79087],[-0.16402,51.78935]]]}},{"type":"Feature","bbox":[-0.2073,51.78996,-0.18355,51.8068],"properties":{"code":"E05011069","name":"Peartree","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.18355,51.79829],[-0.18592,51.79653],[-0.18684,51.7963],[-0.18671,51.79584],[-0.18876,51.79473],[-0.18973,51.79484],[-0.19149,51.79399],[-0.19292,51.79372],[-0.19258,51.79211],[-0.19312,51.79154],[-0.19613,51.79115],[-0.19742,51.7904],[-0.19931,51.79064],[-0.1999,51.79101],[-0.20156,51.78996],[-0.20385,51.79013],[-0.20378,51.79249],[-0.2043,51.79397],[-0.2073,51.79384],[-0.20134,51.80533],[-0.20052,51.80632],[-0.19923,51.8068],[-0.19778,51.8068],[-0.19621,51.80633],[-0.19244,51.80447],[-0.19121,51.80278],[-0.18769,51.80018],[-0.18355,51.79829]]]}},{"type":"Feature","bbox":[-0.22591,51.80488,-0.19538,51.82643],"properties":{"code":"E05011070","name":"Sherrards","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.19838,51.81124],[-0.20123,51.80557],[-0.20275,51.8054],[-0.20329,51.80508],[-0.20492,51.80601],[-0.20719,51.8063],[-0.21456,51.8049],[-0.21633,51.80488],[-0.21834,51.80529],[-0.22063,51.80667],[-0.22229,51.81083],[-0.22591,51.81381],[-0.22384,51.81563],[-0.21345,51.82252],[-0.21134,51.8246],[-0.21023,51.82643],[-0.2082,51.82502],[-0.20264,51.82435],[-0.20004,51.8234],[-0.20188,51.82177],[-0.20151,51.82035],[-0.19919,51.8181],[-0.19538,51.81721],[-0.19838,51.81124]]]}},{"type":"Feature","bbox":[-0.25514,51.70592,-0.17771,51.75162],"properties":{"code":"E05011071","name":"Welham Green and Hatfield South","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.22155,51.74802],[-0.22024,51.74556],[-0.21374,51.74357],[-0.21194,51.74217],[-0.20972,51.73919],[-0.20788,51.73801],[-0.20258,51.73705],[-0.19905,51.73688],[-0.19553,51.73587],[-0.19293,51.73652],[-0.18914,51.73834],[-0.18847,51.73679],[-0.18686,51.73672],[-0.1856,51.7342],[-0.18042,51.73385],[-0.17771,51.73289],[-0.1841,51.73297],[-0.18433,51.73211],[-0.18813,51.73368],[-0.18833,51.73216],[-0.18708,51.72957],[-0.19092,51.73113],[-0.19871,51.73038],[-0.20144,51.73108],[-0.203,51.73075],[-0.20443,51.72991],[-0.20551,51.72862],[-0.20456,51.71743],[-0.20395,51.71347],[-0.20263,51.70974],[-0.20474,51.70991],[-0.20649,51.70963],[-0.20696,51.71027],[-0.20775,51.7104],[-0.21079,51.71027],[-0.21311,51.71071],[-0.21476,51.71127],[-0.21839,51.71371],[-0.22105,51.71357],[-0.22225,51.71313],[-0.22337,51.71284],[-0.22703,51.7127],[-0.22974,51.71168],[-0.23223,51.71138],[-0.23427,51.71077],[-0.2352,51.71009],[-0.23733,51.70592],[-0.23898,51.70615],[-0.23929,51.70793],[-0.24105,51.71042],[-0.24054,51.71313],[-0.24106,51.71578],[-0.25078,51.72462],[-0.25225,51.72675],[-0.25514,51.72954],[-0.24975,51.73117],[-0.249,51.73103],[-0.25035,51.73258],[-0.2483,51.73245],[-0.24685,51.73148],[-0.24443,51.73189],[-0.24597,51.73433],[-0.24645,51.73816],[-0.24552,51.73965],[-0.24489,51.73975],[-0.24485,51.74114],[-0.24158,51.7424],[-0.242,51.7432],[-0.24044,51.74328],[-0.23961,51.7418],[-0.23763,51.74203],[-0.23807,51.74313],[-0.23589,51.74365],[-0.2349,51.74419],[-0.2357,51.74511],[-0.23546,51.74541],[-0.23361,51.7465],[-0.23327,51.74577],[-0.23252,51.74584],[-0.23142,51.74682],[-0.23225,51.74747],[-0.23273,51.74946],[-0.23244,51.74977],[-0.22931,51.7493],[-0.22703,51.75024],[-0.22357,51.75162],[-0.22207,51.75158],[-0.22155,51.74802]]]}},{"type":"Feature","bbox":[-0.21023,51.81071,-0.16644,51.86044],"properties":{"code":"E05011072","name":"Welwyn East","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.17278,51.85658],[-0.17091,51.85548],[-0.17161,51.85447],[-0.16963,51.85408],[-0.16644,51.8494],[-0.16671,51.84773],[-0.16731,51.84719],[-0.16716,51.84455],[-0.16676,51.84418],[-0.16743,51.84367],[-0.16891,51.84344],[-0.16888,51.83999],[-0.17,51.83912],[-0.17199,51.84016],[-0.17254,51.83976],[-0.17341,51.83998],[-0.1768,51.8419],[-0.17752,51.84136],[-0.17853,51.84119],[-0.17553,51.83871],[-0.1735,51.83935],[-0.17146,51.83862],[-0.17002,51.83866],[-0.16987,51.83811],[-0.17422,51.83685],[-0.16981,51.83426],[-0.17011,51.83412],[-0.16836,51.8321],[-0.16843,51.83116],[-0.16947,51.8286],[-0.1713,51.82703],[-0.17273,51.82421],[-0.17969,51.81991],[-0.18126,51.81713],[-0.18229,51.81746],[-0.1836,51.81506],[-0.18825,51.81738],[-0.18855,51.81446],[-0.1904,51.81261],[-0.19474,51.81071],[-0.19838,51.81124],[-0.19538,51.81721],[-0.19919,51.8181],[-0.20151,51.82035],[-0.20188,51.82177],[-0.20004,51.8234],[-0.20264,51.82435],[-0.2082,51.82502],[-0.21023,51.82643],[-0.2081,51.83361],[-0.20675,51.83425],[-0.20556,51.83603],[-0.2042,51.83703],[-0.19551,51.8415],[-0.19207,51.84237],[-0.19089,51.84304],[-0.18842,51.84585],[-0.19039,51.84695],[-0.1891,51.84767],[-0.18732,51.84767],[-0.18794,51.8483],[-0.18675,51.84864],[-0.18746,51.84979],[-0.18876,51.84975],[-0.18951,51.85047],[-0.19261,51.85039],[-0.19311,51.85173],[-0.19374,51.85235],[-0.19209,51.85363],[-0.19401,51.85476],[-0.1929,51.85609],[-0.19521,51.85697],[-0.19576,51.85908],[-0.19182,51.85732],[-0.19049,51.85823],[-0.18966,51.8578],[-0.1864,51.85942],[-0.18589,51.86024],[-0.18355,51.86044],[-0.18355,51.86011],[-0.18096,51.86013],[-0.17941,51.85968],[-0.17858,51.85905],[-0.17607,51.85852],[-0.17599,51.85675],[-0.17278,51.85658]]]}},{"type":"Feature","bbox":[-0.27354,51.8089,-0.18675,51.85938],"properties":{"code":"E05011073","name":"Welwyn West","kind":"ward"},"geometry":{"type":"Polygon","coordinates":[[[-0.19576,51.85908],[-0.19521,51.85697],[-0.1929,51.85609],[-0.19401,51.85476],[-0.19209,51.85363],[-0.19374,51.85235],[-0.19311,51.85173],[-0.19261,51.85039],[-0.18951,51.85047],[-0.18876,51.84975],[-0.18746,51.84979],[-0.18675,51.84864],[-0.18794,51.8483],[-0.18732,51.84767],[-0.1891,51.84767],[-0.19039,51.84695],[-0.18842,51.84585],[-0.19089,51.84304],[-0.19207,51.84237],[-0.19551,51.8415],[-0.2042,51.83703],[-0.20556,51.83603],[-0.20675,51.83425],[-0.2081,51.83361],[-0.21023,51.82643],[-0.21134,51.8246],[-0.21345,51.82252],[-0.22384,51.81563],[-0.22591,51.81381],[-0.22806,51.80918],[-0.22865,51.80919],[-0.22959,51.80963],[-0.23178,51.80984],[-0.2368,51.8089],[-0.24379,51.80938],[-0.24343,51.8128],[-0.24662,51.81479],[-0.24832,51.81683],[-0.24865,51.81824],[-0.25007,51.81914],[-0.25019,51.81971],[-0.25165,51.82034],[-0.25226,51.82171],[-0.25517,51.82265],[-0.2615,51.82839],[-0.26366,51.83241],[-0.26506,51.83384],[-0.26659,51.83451],[-0.27354,51.83536],[-0.2728,51.8365],[-0.27303,51.83969],[-0.27265,51.84046],[-0.27133,51.84046],[-0.26813,51.84221],[-0.26639,51.84177],[-0.25956,51.84476],[-0.25932,51.84461],[-0.25702,51.84544],[-0.25395,51.84454],[-0.24796,51.84624],[-0.24733,51.84616],[-0.2465,51.84521],[-0.24528,51.84459],[-0.24503,51.84351],[-0.24302,51.84273],[-0.24305,51.8418],[-0.24495,51.83942],[-0.2449,51.83882],[-0.24171,51.83634],[-0.24229,51.83572],[-0.24059,51.83498],[-0.23901,51.835],[-0.23704,51.83646],[-0.23599,51.83624],[-0.2333,51.83638],[-0.2321,51.83656],[-0.23165,51.83696],[-0.23073,51.83677],[-0.23005,51.83604],[-0.22905,51.83608],[-0.22793,51.83705],[-0.22687,51.8371],[-0.22568,51.83765],[-0.22585,51.83677],[-0.22693,51.8359],[-0.22694,51.83526],[-0.22611,51.83491],[-0.22642,51.83456],[-0.22491,51.83324],[-0.22167,51.8341],[-0.22344,51.83529],[-0.21985,51.83669],[-0.22019,51.83763],[-0.21868,51.83842],[-0.21958,51.8388],[-0.22078,51.83877],[-0.22178,51.83924],[-0.22258,51.83901],[-0.22419,51.84021],[-0.22379,51.84046],[-0.22342,51.84131],[-0.22599,51.84372],[-0.22576,51.84454],[-0.22395,51.84664],[-0.22302,51.84622],[-0.22235,51.8447],[-0.21825,51.84663],[-0.21888,51.84705],[-0.21717,51.84771],[-0.21649,51.84895],[-0.21292,51.85139],[-0.21041,51.84985],[-0.2113,51.84936],[-0.20872,51.84758],[-0.20597,51.8464],[-0.20824,51.8447],[-0.21218,51.8425],[-0.2127,51.84156],[-0.21525,51.84005],[-0.21457,51.83961],[-0.21199,51.84057],[-0.2106,51.84044],[-0.20812,51.84197],[-0.20542,51.84438],[-0.20395,51.84489],[-0.20146,51.84353],[-0.19917,51.84396],[-0.19943,51.8446],[-0.19854,51.84547],[-0.1987,51.84595],[-0.19755,51.84614],[-0.19718,51.84893],[-0.19642,51.84955],[-0.19764,51.85023],[-0.19906,51.84973],[-0.202,51.85153],[-0.20365,51.85323],[-0.20311,51.85398],[-0.20352,51.85476],[-0.20518,51.85331],[-0.20669,51.85426],[-0.20495,51.85527],[-0.20422,51.85504],[-0.20089,51.85663],[-0.2001,51.85645],[-0.19874,51.85777],[-0.1976,51.85769],[-0.19684,51.85938],[-0.19576,51.85908]]]}}]}