{"entry-date":"2026-06-11","start-date":"1960-05-20","end-date":"","entity":13902768,"name":"Trematon Castle, a shell keep built on a motte and bailey castle","dataset":"scheduled-monument","typology":"geography","reference":"1004384","prefix":"scheduled-monument","organisation-entity":16,"geometry":"MULTIPOLYGON (((-4.238076 50.399554, -4.237872 50.399598, -4.237772 50.399633, -4.237658 50.399686, -4.237566 50.399743, -4.237466 50.399823, -4.237407 50.399886, -4.237356 50.39996, -4.237325 50.400027, -4.237271 50.400498, -4.23728 50.400549, -4.23731 50.400608, -4.237364 50.400667, -4.237418 50.400705, -4.237527 50.400753, -4.23768 50.400781, -4.237831 50.400775, -4.237944 50.40075, -4.23802 50.400708, -4.238064 50.40066, -4.238125 50.400537, -4.238149 50.400422, -4.238481 50.40034, -4.238712 50.400272, -4.23881 50.400222, -4.238881 50.40017, -4.238941 50.400108, -4.23898 50.400047, -4.239012 50.399939, -4.239014 50.399876, -4.239005 50.399817, -4.238981 50.399749, -4.238937 50.399669, -4.238892 50.399629, -4.238843 50.39961, -4.23869 50.399584, -4.238076 50.399554)))","point":"POINT (-4.238067 50.4001)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1004384"}