{"entry-date":"2026-02-14","start-date":"","end-date":"","entity":42190474,"name":"MELTING HOUSE (BUILDING 20) AT FORMER MARSH GUNPOWDER WORKS, WORKSHOP AREA","dataset":"listed-building-outline","typology":"geography","reference":"LB439","prefix":"listed-building-outline","organisation-entity":330,"geometry":"MULTIPOLYGON (((0.887903 51.328356, 0.887997 51.328401, 0.887904 51.328478, 0.88781 51.328433, 0.887903 51.328356)))","point":"POINT (0.887904 51.328417)","quality":"authoritative","uprns":"100062086931","description":"SMELTING HOUSE (1800-1810). GUNPOWDER WORKS (1800-1810). SALTPETRE WORKS (1800-1810). STOREHOUSE (Now).","listed-building":"1389582"}