{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.165984,51.572737],[-0.166115,51.572764],[-0.166132,51.57279],[-0.166148,51.572804],[-0.166209,51.572843],[-0.166251,51.572861],[-0.166321,51.572882],[-0.166607,51.57293],[-0.166655,51.572936],[-0.166718,51.572947],[-0.166916,51.572958],[-0.167212,51.572963],[-0.1673,51.572963],[-0.167452,51.572956],[-0.16807,51.572919],[-0.168201,51.572905],[-0.168392,51.57289],[-0.168794,51.572854],[-0.169151,51.572825],[-0.16942,51.5728],[-0.169644,51.572775],[-0.169662,51.572775],[-0.169921,51.572736],[-0.170323,51.572669],[-0.170369,51.572658],[-0.170709,51.572586],[-0.171049,51.572488],[-0.171166,51.572449],[-0.171726,51.572172],[-0.171747,51.572155],[-0.171784,51.572121],[-0.171796,51.572106],[-0.171814,51.572089],[-0.171827,51.572062],[-0.171834,51.572041],[-0.171833,51.572024],[-0.171894,51.572],[-0.171918,51.571987],[-0.171953,51.571976],[-0.171978,51.571963],[-0.172031,51.571944],[-0.17206,51.57195],[-0.172086,51.571953],[-0.172119,51.571952],[-0.17215,51.571946],[-0.172194,51.571935],[-0.172278,51.571902],[-0.172335,51.571874],[-0.172508,51.571779],[-0.17264,51.571703],[-0.172875,51.571551],[-0.173063,51.571428],[-0.173076,51.571418],[-0.173146,51.571339],[-0.173242,51.571235],[-0.173269,51.571208],[-0.173281,51.571189],[-0.173303,51.571164],[-0.173385,51.571078],[-0.173443,51.571014],[-0.173494,51.570941],[-0.173549,51.570858],[-0.17361,51.570737],[-0.173645,51.57065],[-0.173666,51.57059],[-0.173692,51.570502],[-0.173699,51.57047],[-0.173703,51.570435],[-0.173709,51.570402],[-0.173716,51.570381],[-0.173716,51.570357],[-0.173727,51.57019],[-0.173728,51.570087],[-0.173722,51.569997],[-0.173713,51.569952],[-0.173711,51.569929],[-0.173714,51.569903],[-0.173829,51.569907],[-0.173834,51.569852],[-0.173851,51.569709],[-0.174025,51.569578],[-0.17406,51.569549],[-0.174082,51.569534],[-0.174194,51.569442],[-0.174212,51.569421],[-0.174284,51.569351],[-0.174378,51.569252],[-0.174619,51.569336],[-0.17487,51.569426],[-0.175084,51.569435],[-0.175106,51.569487],[-0.175135,51.569546],[-0.175301,51.5696],[-0.175831,51.569784],[-0.175858,51.569804],[-0.175863,51.569848],[-0.176111,51.569928],[-0.176233,51.56997],[-0.176478,51.570051],[-0.176586,51.570089],[-0.176689,51.570121],[-0.17684,51.570165],[-0.176975,51.570185],[-0.177611,51.570255],[-0.17766,51.570265],[-0.177681,51.570274],[-0.178094,51.570494],[-0.178125,51.570514],[-0.178106,51.570491],[-0.17806,51.570447],[-0.178047,51.570431],[-0.17803,51.570397],[-0.178022,51.570377],[-0.178015,51.570346],[-0.178016,51.570287],[-0.178024,51.570236],[-0.178028,51.570232],[-0.178041,51.570203],[-0.178068,51.570157],[-0.178093,51.570126],[-0.178096,51.570125],[-0.178115,51.570105],[-0.178138,51.570089],[-0.178169,51.570071],[-0.178248,51.570037],[-0.178281,51.570025],[-0.178348,51.570009],[-0.179867,51.569752],[-0.180076,51.569715],[-0.180264,51.569687],[-0.180299,51.569683],[-0.180355,51.56968],[-0.180409,51.569675],[-0.180654,51.569676],[-0.180986,51.569674],[-0.180982,51.569662],[-0.180962,51.569626],[-0.180891,51.569522],[-0.18088,51.569501],[-0.180877,51.569492],[-0.180845,51.569438],[-0.180842,51.569429],[-0.180835,51.569419],[-0.18082,51.569404],[-0.180899,51.569375],[-0.181584,51.569045],[-0.18188,51.568894],[-0.181914,51.568873],[-0.181995,51.568812],[-0.18206,51.568766],[-0.182085,51.568745],[-0.182129,51.568713],[-0.182152,51.568699],[-0.182277,51.568628],[-0.182419,51.56855],[-0.182666,51.568421],[-0.183107,51.568194],[-0.183241,51.56813],[-0.183449,51.568052],[-0.183662,51.56796],[-0.183675,51.567957],[-0.183426,51.567794],[-0.183424,51.567794],[-0.183388,51.567769],[-0.183443,51.567729],[-0.183515,51.567682],[-0.183479,51.56766],[-0.18376,51.56747],[-0.183875,51.56743],[-0.184005,51.567389],[-0.184045,51.567384],[-0.184059,51.56738],[-0.184361,51.567317],[-0.184392,51.567313],[-0.184884,51.567224],[-0.184927,51.567214],[-0.184953,51.567206],[-0.185085,51.567175],[-0.185276,51.567139],[-0.185183,51.566795],[-0.184966,51.565978],[-0.184315,51.565164],[-0.182828,51.565117],[-0.182544,51.564967],[-0.182521,51.564776],[-0.182229,51.564536],[-0.182197,51.563915],[-0.182996,51.563203],[-0.183126,51.562615],[-0.184363,51.562177],[-0.184254,51.562103],[-0.183814,51.561639],[-0.183283,51.561165],[-0.182828,51.56072],[-0.182458,51.560029],[-0.181681,51.560379],[-0.181661,51.560483],[-0.181089,51.560664],[-0.181224,51.560724],[-0.181235,51.560848],[-0.181165,51.561065],[-0.180917,51.561157],[-0.180576,51.561275],[-0.180379,51.561234],[-0.180367,51.561538],[-0.180161,51.561354],[-0.179768,51.561253],[-0.17946,51.561086],[-0.179252,51.561034],[-0.178951,51.561002],[-0.178506,51.560974],[-0.178176,51.560919],[-0.177802,51.560867],[-0.177687,51.560866],[-0.17734,51.560848],[-0.176311,51.560943],[-0.176038,51.560957],[-0.175668,51.560887],[-0.175451,51.560858],[-0.175143,51.560868],[-0.174584,51.560898],[-0.174439,51.560896],[-0.174325,51.560876],[-0.173169,51.560491],[-0.17283,51.560367],[-0.172717,51.560303],[-0.172479,51.560137],[-0.172381,51.560063],[-0.172009,51.560397],[-0.171587,51.560412],[-0.171104,51.560262],[-0.170588,51.559807],[-0.171089,51.5595],[-0.170133,51.558979],[-0.170306,51.558848],[-0.170981,51.558383],[-0.171229,51.558301],[-0.171485,51.558372],[-0.17178,51.558253],[-0.172472,51.55813],[-0.171335,51.557561],[-0.169508,51.557437],[-0.168261,51.557294],[-0.16804,51.557471],[-0.167788,51.557553],[-0.166925,51.556987],[-0.166498,51.55661],[-0.166527,51.555887],[-0.166182,51.555348],[-0.165779,51.555504],[-0.165945,51.555935],[-0.165848,51.556438],[-0.165592,51.556738],[-0.165273,51.556686],[-0.164998,51.557091],[-0.164751,51.557532],[-0.164776,51.558046],[-0.164585,51.558624],[-0.164261,51.559085],[-0.164532,51.559166],[-0.163655,51.559352],[-0.162744,51.559595],[-0.162084,51.558918],[-0.161428,51.558908],[-0.161223,51.558686],[-0.161024,51.55833],[-0.160773,51.558117],[-0.160085,51.557383],[-0.159411,51.556678],[-0.159168,51.556645],[-0.158237,51.55665],[-0.157244,51.557024],[-0.156373,51.557439],[-0.154821,51.558052],[-0.154078,51.557546],[-0.154065,51.557108],[-0.154549,51.556849],[-0.154363,51.556551],[-0.153754,51.556494],[-0.153758,51.556408],[-0.153546,51.556357],[-0.153476,51.556213],[-0.153216,51.556209],[-0.152321,51.556062],[-0.151685,51.555938],[-0.152111,51.556354],[-0.152136,51.556493],[-0.151436,51.556815],[-0.150614,51.557126],[-0.150757,51.557366],[-0.151699,51.557866],[-0.153351,51.558539],[-0.153388,51.558749],[-0.152173,51.559349],[-0.152198,51.559473],[-0.150064,51.560153],[-0.150782,51.561255],[-0.151703,51.561155],[-0.151725,51.561346],[-0.152459,51.561319],[-0.153021,51.561414],[-0.153571,51.561394],[-0.153941,51.561533],[-0.153901,51.561663],[-0.153867,51.562062],[-0.153913,51.562367],[-0.154001,51.562358],[-0.154554,51.56265],[-0.15514,51.562829],[-0.154891,51.563098],[-0.155335,51.563326],[-0.155525,51.563551],[-0.156063,51.564162],[-0.156156,51.564635],[-0.155955,51.565164],[-0.156829,51.565809],[-0.157183,51.56594],[-0.158212,51.566643],[-0.159177,51.567247],[-0.160355,51.568163],[-0.15914,51.568718],[-0.158639,51.568865],[-0.158449,51.569114],[-0.158427,51.568553],[-0.158019,51.56807],[-0.156392,51.569376],[-0.157053,51.569709],[-0.156776,51.569887],[-0.156124,51.570437],[-0.15562,51.570668],[-0.154964,51.570756],[-0.154369,51.571013],[-0.154783,51.571327],[-0.155076,51.571865],[-0.15714,51.572009],[-0.157992,51.572079],[-0.158731,51.572174],[-0.159616,51.572525],[-0.160482,51.572805],[-0.161796,51.572644],[-0.162098,51.572603],[-0.162311,51.572583],[-0.162612,51.572558],[-0.163081,51.572526],[-0.163341,51.572504],[-0.163669,51.572487],[-0.16375,51.572486],[-0.164541,51.572501],[-0.164771,51.572555],[-0.165003,51.572613],[-0.165015,51.572592],[-0.165082,51.572608],[-0.165069,51.572628],[-0.165184,51.572654],[-0.165204,51.572642],[-0.165266,51.572652],[-0.165273,51.572669],[-0.165622,51.572737],[-0.165711,51.57275],[-0.16579,51.572745],[-0.165846,51.572734],[-0.165893,51.572718],[-0.165984,51.572737]],[[-0.164201,51.562246],[-0.164475,51.562321],[-0.16455,51.562352],[-0.164774,51.562481],[-0.164968,51.562644],[-0.165141,51.562849],[-0.16515,51.563093],[-0.165042,51.563407],[-0.164884,51.563541],[-0.164736,51.563652],[-0.164483,51.563797],[-0.164213,51.563864],[-0.163724,51.563904],[-0.163401,51.563863],[-0.163137,51.563794],[-0.162884,51.563682],[-0.162671,51.563519],[-0.162515,51.563356],[-0.16243,51.56311],[-0.162496,51.562879],[-0.16259,51.562679],[-0.16275,51.562509],[-0.162965,51.562381],[-0.16339,51.562251],[-0.163878,51.562211],[-0.164201,51.562246]]]]},"type":"Feature","properties":{"entry-date":"2026-05-12","start-date":"","end-date":"","entity":40669,"name":"Summary and Definition This APA includes the surviving extent of Hampstead Heath and the adjoining area of Parliament Hill Fields. The area contains scattered evidence for prehistoric through to post-medieval activity associated with exploitation of the","dataset":"archaeological-priority-area","typology":"geography","reference":"77965","prefix":"archaeological-priority-area","organisation-entity":16,"quality":"authoritative","archaeological-risk-tier":"Archaeological Priority Area - Tier III"}}