{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.32319,51.477],[-0.32318,51.477001],[-0.323381,51.477617],[-0.323541,51.477614],[-0.323544,51.47755],[-0.323558,51.477504],[-0.323606,51.477416],[-0.323765,51.477267],[-0.323798,51.477254],[-0.323845,51.477219],[-0.323844,51.477199],[-0.324072,51.47699],[-0.324112,51.476976],[-0.324142,51.476978],[-0.324197,51.476926],[-0.324196,51.476895],[-0.324223,51.476857],[-0.324239,51.476845],[-0.324287,51.476853],[-0.324376,51.476783],[-0.324347,51.476759],[-0.324518,51.47662],[-0.324543,51.476608],[-0.32458,51.476608],[-0.324643,51.476556],[-0.324637,51.476544],[-0.324647,51.47652],[-0.325343,51.475962],[-0.325364,51.475951],[-0.325407,51.47595],[-0.325473,51.475896],[-0.325456,51.475875],[-0.325465,51.475855],[-0.325984,51.475449],[-0.326664,51.474898],[-0.326846,51.474736],[-0.327361,51.474207],[-0.327399,51.474189],[-0.327457,51.474125],[-0.327531,51.474142],[-0.327644,51.473988],[-0.328066,51.473948],[-0.328494,51.473975],[-0.329108,51.474054],[-0.330086,51.474221],[-0.3301,51.474204],[-0.330167,51.474211],[-0.331295,51.474514],[-0.332132,51.474812],[-0.33242,51.474641],[-0.332515,51.474594],[-0.332504,51.474585],[-0.332626,51.474523],[-0.333358,51.474079],[-0.333798,51.473837],[-0.334241,51.473527],[-0.334336,51.473577],[-0.334405,51.473521],[-0.334252,51.473447],[-0.333689,51.473237],[-0.332845,51.472964],[-0.332703,51.472925],[-0.332687,51.47291],[-0.332298,51.472797],[-0.333269,51.471572],[-0.332518,51.471413],[-0.332361,51.471369],[-0.332412,51.471299],[-0.332192,51.471225],[-0.331711,51.471032],[-0.331677,51.471001],[-0.331665,51.4709],[-0.331508,51.470894],[-0.331513,51.470851],[-0.331531,51.470828],[-0.331534,51.470802],[-0.331067,51.47078],[-0.331079,51.470157],[-0.331115,51.469909],[-0.331157,51.469421],[-0.331075,51.469437],[-0.33096,51.469433],[-0.33095,51.469532],[-0.330929,51.469542],[-0.330931,51.46942],[-0.330701,51.469408],[-0.330685,51.469416],[-0.330635,51.469413],[-0.330636,51.469434],[-0.330473,51.469433],[-0.330473,51.469417],[-0.330453,51.469407],[-0.330255,51.469401],[-0.330208,51.469425],[-0.330233,51.469444],[-0.330205,51.469458],[-0.330159,51.469424],[-0.330135,51.469436],[-0.330102,51.469411],[-0.330069,51.469429],[-0.329983,51.469372],[-0.329972,51.469383],[-0.329769,51.469373],[-0.329323,51.469014],[-0.329189,51.46908],[-0.329186,51.469047],[-0.329214,51.468998],[-0.329144,51.468982],[-0.329154,51.468966],[-0.329122,51.468958],[-0.328882,51.469076],[-0.328966,51.469021],[-0.328876,51.468955],[-0.328789,51.468992],[-0.328729,51.468998],[-0.328189,51.468923],[-0.328069,51.46889],[-0.328045,51.468873],[-0.328042,51.468842],[-0.327954,51.468822],[-0.327921,51.468837],[-0.327888,51.468837],[-0.327149,51.468603],[-0.327122,51.468593],[-0.327108,51.468579],[-0.326645,51.468503],[-0.326374,51.468477],[-0.326333,51.468451],[-0.326274,51.468219],[-0.326209,51.468043],[-0.326191,51.467963],[-0.326197,51.46785],[-0.326097,51.467846],[-0.326091,51.467876],[-0.326075,51.467897],[-0.326028,51.467917],[-0.324589,51.467889],[-0.324482,51.467874],[-0.324427,51.467843],[-0.324275,51.467823],[-0.324589,51.466877],[-0.324606,51.466757],[-0.324588,51.46662],[-0.324528,51.466492],[-0.324453,51.466398],[-0.324339,51.466301],[-0.324237,51.466239],[-0.324106,51.46618],[-0.323673,51.466017],[-0.32358,51.465974],[-0.323383,51.466116],[-0.323338,51.466164],[-0.323286,51.466129],[-0.322928,51.46632],[-0.322854,51.466268],[-0.322794,51.466209],[-0.321971,51.466313],[-0.321978,51.466224],[-0.321779,51.465593],[-0.321804,51.46559],[-0.321766,51.465451],[-0.321771,51.46542],[-0.321643,51.465417],[-0.321639,51.465402],[-0.320778,51.465387],[-0.320497,51.465763],[-0.32045,51.466029],[-0.320325,51.46618],[-0.320293,51.466241],[-0.320265,51.466388],[-0.320196,51.466513],[-0.320083,51.466821],[-0.319943,51.467033],[-0.319784,51.467892],[-0.319704,51.46851],[-0.319688,51.468578],[-0.319408,51.469244],[-0.319169,51.469844],[-0.319038,51.470212],[-0.318913,51.470509],[-0.31889,51.470619],[-0.31885,51.470719],[-0.318768,51.470833],[-0.318622,51.470941],[-0.318845,51.471189],[-0.319058,51.471497],[-0.318994,51.471513],[-0.31902,51.471582],[-0.319153,51.471559],[-0.31908,51.471631],[-0.319036,51.471711],[-0.318919,51.472171],[-0.318944,51.472276],[-0.318981,51.472339],[-0.319058,51.472441],[-0.319068,51.472465],[-0.319067,51.472489],[-0.319126,51.47254],[-0.319174,51.472552],[-0.319199,51.47257],[-0.319207,51.472581],[-0.319205,51.472607],[-0.319267,51.472661],[-0.319309,51.472678],[-0.319462,51.472828],[-0.31961,51.472935],[-0.320671,51.473623],[-0.321366,51.474085],[-0.321992,51.474432],[-0.322129,51.474536],[-0.322257,51.474661],[-0.322301,51.474716],[-0.322341,51.474771],[-0.322399,51.47488],[-0.322497,51.475095],[-0.322704,51.475646],[-0.323157,51.476931],[-0.323185,51.476927],[-0.32319,51.477]]]]},"type":"Feature","properties":{"entry-date":"2025-11-21","start-date":"","end-date":"","entity":40762,"name":"<p><strong>Summary and Definition</strong></p> <p>The Archaeological Priority Area covers the medieval and post-medieval settlement of Isleworth and the adjacent section of the Thames foreshore which includes the Isleworth Ait (island).</p> <p>The APA","dataset":"archaeological-priority-area","typology":"geography","reference":"220944","prefix":"archaeological-priority-area","organisation-entity":"16","quality":"authoritative","archaeological-risk-tier":"Archaeological Priority Area - Tier II"}}