{"geometry":{"type":"MultiPolygon","coordinates":[[[[0.406148,52.752136],[0.406072,52.752138],[0.405987,52.752147],[0.405935,52.752157],[0.405893,52.752168],[0.405805,52.752194],[0.405715,52.752225],[0.405618,52.752265],[0.405479,52.752329],[0.405425,52.752358],[0.405261,52.752455],[0.405233,52.752473],[0.405144,52.752536],[0.405087,52.752581],[0.404947,52.752705],[0.404921,52.752733],[0.404893,52.752766],[0.404885,52.752778],[0.40457,52.752792],[0.404609,52.752671],[0.404633,52.752622],[0.40466,52.75258],[0.40463,52.752561],[0.404604,52.752542],[0.404578,52.752509],[0.404624,52.75249],[0.404669,52.752461],[0.404729,52.752416],[0.404814,52.752348],[0.404838,52.752327],[0.404892,52.752286],[0.405015,52.752203],[0.40527,52.752021],[0.40533,52.75198],[0.405376,52.751953],[0.405405,52.751933],[0.405427,52.75191],[0.405464,52.751859],[0.405526,52.751769],[0.40555,52.751726],[0.40556,52.751701],[0.405567,52.751675],[0.405573,52.751628],[0.405572,52.751613],[0.405568,52.751597],[0.405558,52.751573],[0.405545,52.751551],[0.405533,52.751535],[0.405509,52.751493],[0.40549,52.75145],[0.40548,52.751419],[0.405473,52.751389],[0.405452,52.751205],[0.405448,52.751106],[0.405446,52.751093],[0.405445,52.751052],[0.405442,52.751024],[0.405428,52.750961],[0.405404,52.7509],[0.405766,52.750891],[0.405772,52.751006],[0.405811,52.751135],[0.405827,52.751154],[0.405863,52.751184],[0.405923,52.751205],[0.405954,52.751214],[0.405992,52.751222],[0.406044,52.75123],[0.406128,52.751237],[0.406208,52.751238],[0.406262,52.751235],[0.406268,52.751238],[0.406284,52.75124],[0.406369,52.751269],[0.406504,52.751325],[0.406715,52.751429],[0.407055,52.751609],[0.407097,52.751635],[0.407104,52.751643],[0.407115,52.751661],[0.407117,52.751668],[0.407116,52.751685],[0.407109,52.751701],[0.407101,52.751716],[0.407091,52.75173],[0.407066,52.751758],[0.407006,52.751815],[0.406703,52.752084],[0.406657,52.75212],[0.406628,52.752136],[0.406594,52.752151],[0.406554,52.752163],[0.406506,52.752171],[0.406498,52.752171],[0.406483,52.75217],[0.406373,52.752148],[0.406312,52.752138],[0.406224,52.752135],[0.406148,52.752136]]]]},"type":"Feature","properties":{"entry-date":"2026-09-30","start-date":"","end-date":"","entity":13902089,"name":"Post-medieval defences","dataset":"scheduled-monument","typology":"geography","reference":"1003696","prefix":"scheduled-monument","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1003696"}}