{"entry-date":"2026-09-18","start-date":"2025-04-23","end-date":"2030-04-22","entity":2300374,"name":"Collingwood College Boat Club Boathouse, Durham University","dataset":"certificate-of-immunity","typology":"geography","reference":"1492790","prefix":"certificate-of-immunity","organisation-entity":16,"geometry":"MULTIPOLYGON (((-1.562759 54.776118, -1.562769 54.776055, -1.562503 54.77604, -1.562492 54.776103, -1.562759 54.776118)))","point":"POINT (-1.562631 54.776079)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1492790"}