{"entry-date":"2026-08-28","start-date":"2003-07-15","end-date":"","entity":13919141,"name":"Icehouse 320m south west of Ashridge College","dataset":"scheduled-monument","typology":"geography","reference":"1020981","prefix":"scheduled-monument","organisation-entity":16,"geometry":"MULTIPOLYGON (((-0.561872 51.796925, -0.561905 51.797056, -0.562277 51.797024, -0.562241 51.796893, -0.561872 51.796925)))","point":"POINT (-0.562074 51.796975)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1020981"}