{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.342575,51.527115],[-0.342651,51.527147],[-0.34217,51.5272],[-0.341357,51.52732],[-0.339589,51.527505],[-0.338397,51.527641],[-0.338126,51.527654],[-0.33726,51.52758],[-0.335379,51.52775],[-0.334363,51.527894],[-0.333902,51.527982],[-0.333475,51.528096],[-0.332745,51.528308],[-0.332312,51.52839],[-0.330983,51.528538],[-0.330021,51.528573],[-0.327859,51.528683],[-0.327007,51.528654],[-0.326685,51.52865],[-0.326612,51.528545],[-0.326596,51.528459],[-0.326523,51.528334],[-0.326464,51.528202],[-0.325805,51.526932],[-0.325771,51.526834],[-0.320486,51.527654],[-0.319656,51.527762],[-0.318036,51.527944],[-0.315556,51.528234],[-0.314524,51.528364],[-0.313481,51.528481],[-0.312452,51.528636],[-0.310013,51.528879],[-0.30727,51.529208],[-0.307213,51.529186],[-0.307041,51.52922],[-0.306989,51.529272],[-0.306898,51.52929],[-0.30687,51.529253],[-0.306624,51.529288],[-0.306474,51.528995],[-0.306349,51.528817],[-0.306278,51.52879],[-0.306166,51.528761],[-0.306041,51.528744],[-0.305922,51.528749],[-0.305832,51.528765],[-0.305682,51.528847],[-0.30535,51.528971],[-0.305024,51.529062],[-0.304792,51.529146],[-0.304634,51.529194],[-0.304425,51.52928],[-0.304157,51.52937],[-0.303483,51.529697],[-0.303268,51.529791],[-0.30276,51.529938],[-0.30256,51.530009],[-0.302094,51.530201],[-0.302008,51.530241],[-0.302009,51.53026],[-0.302275,51.530609],[-0.302293,51.530668],[-0.302401,51.530812],[-0.302429,51.530875],[-0.302502,51.530966],[-0.302512,51.531],[-0.302816,51.531026],[-0.305125,51.531097],[-0.306035,51.531177],[-0.306543,51.531248],[-0.308282,51.531556],[-0.308938,51.531656],[-0.309827,51.531812],[-0.311062,51.532016],[-0.312179,51.532163],[-0.313007,51.532252],[-0.316177,51.532441],[-0.317245,51.532557],[-0.320031,51.532903],[-0.321666,51.533078],[-0.322815,51.533216],[-0.324043,51.533267],[-0.324475,51.533337],[-0.324999,51.533393],[-0.325623,51.533446],[-0.326084,51.533478],[-0.327811,51.533499],[-0.32823,51.533491],[-0.330403,51.5335],[-0.331435,51.533533],[-0.332239,51.533594],[-0.333685,51.533679],[-0.335495,51.533963],[-0.336599,51.5341],[-0.33713,51.534133],[-0.337873,51.534154],[-0.338136,51.53406],[-0.33914,51.533733],[-0.342049,51.532725],[-0.342029,51.5327],[-0.342805,51.532424],[-0.342946,51.532346],[-0.343516,51.532139],[-0.343996,51.532002],[-0.344232,51.531954],[-0.344474,51.531889],[-0.345645,51.531482],[-0.346133,51.531276],[-0.347778,51.532018],[-0.348124,51.532559],[-0.348227,51.532629],[-0.348825,51.532834],[-0.349094,51.532519],[-0.349393,51.532152],[-0.350384,51.530994],[-0.350695,51.53057],[-0.3508,51.530441],[-0.35132,51.529651],[-0.351836,51.52884],[-0.35228,51.527889],[-0.352399,51.527501],[-0.352473,51.527436],[-0.353771,51.527799],[-0.354304,51.526906],[-0.352754,51.526515],[-0.352626,51.526501],[-0.35252,51.526533],[-0.353191,51.524531],[-0.353669,51.523184],[-0.353797,51.522741],[-0.354058,51.521986],[-0.354357,51.520869],[-0.35449,51.520112],[-0.354577,51.519429],[-0.354655,51.517958],[-0.35473,51.51718],[-0.354963,51.516426],[-0.355142,51.515894],[-0.355222,51.515617],[-0.355272,51.515378],[-0.355295,51.515191],[-0.355309,51.514983],[-0.355313,51.514729],[-0.35529,51.514402],[-0.35524,51.514076],[-0.354947,51.512876],[-0.354583,51.511224],[-0.354552,51.511222],[-0.354438,51.510741],[-0.354431,51.510632],[-0.354487,51.510465],[-0.354578,51.510319],[-0.35475,51.510149],[-0.354828,51.510112],[-0.35439,51.510097],[-0.353475,51.510249],[-0.352427,51.510382],[-0.352129,51.51045],[-0.351351,51.510583],[-0.350376,51.510705],[-0.34964,51.510924],[-0.349142,51.511061],[-0.348929,51.511111],[-0.348672,51.511141],[-0.347629,51.511231],[-0.347344,51.511249],[-0.34706,51.51123],[-0.34689,51.511203],[-0.346659,51.511141],[-0.346185,51.510895],[-0.346149,51.510866],[-0.346068,51.51076],[-0.343889,51.511056],[-0.343733,51.511064],[-0.343185,51.511153],[-0.340933,51.511465],[-0.340806,51.511598],[-0.340722,51.511641],[-0.340569,51.511895],[-0.340514,51.512086],[-0.340455,51.512245],[-0.340313,51.512691],[-0.340219,51.512897],[-0.34011,51.51298],[-0.339405,51.513279],[-0.338638,51.513725],[-0.339704,51.514345],[-0.339387,51.514416],[-0.338576,51.514512],[-0.338546,51.51456],[-0.338639,51.514889],[-0.338692,51.515407],[-0.338971,51.516484],[-0.339867,51.516417],[-0.339892,51.516443],[-0.339919,51.516556],[-0.34081,51.518525],[-0.340989,51.518846],[-0.341057,51.519034],[-0.341322,51.518973],[-0.341992,51.518887],[-0.342179,51.518871],[-0.342512,51.51882],[-0.342778,51.51881],[-0.343794,51.518681],[-0.344202,51.518606],[-0.344681,51.518584],[-0.345156,51.518577],[-0.346193,51.518585],[-0.346691,51.518574],[-0.346975,51.518846],[-0.347127,51.519032],[-0.347269,51.519339],[-0.347292,51.519476],[-0.347297,51.519578],[-0.347147,51.520448],[-0.347127,51.520602],[-0.34713,51.520767],[-0.347072,51.521111],[-0.347046,51.521417],[-0.347022,51.521951],[-0.346877,51.52375],[-0.346818,51.524034],[-0.34672,51.52427],[-0.346735,51.524355],[-0.3467,51.524419],[-0.3467,51.524453],[-0.346667,51.524539],[-0.346498,51.524933],[-0.346472,51.525031],[-0.346449,51.525312],[-0.342456,51.525968],[-0.341982,51.526062],[-0.342071,51.526258],[-0.342575,51.527115]]]]},"type":"Feature","properties":{"entry-date":"2025-11-21","start-date":"","end-date":"","entity":40067,"name":"Throughout the borough the alluvium of the natural flood plain is potentially an important source of information on the prehistoric environment. Perivale Village – medieval settlement and moated site of Greenford Parva.","dataset":"archaeological-priority-area","typology":"geography","reference":"76750","prefix":"archaeological-priority-area","organisation-entity":"16","quality":"authoritative","archaeological-risk-tier":"Archaeological Priority Area"}}