{"entry-date":"2026-06-11","start-date":"","end-date":"","entity":40279,"name":"This is the final SAM currently designated within the London Borough of Hillingdon (NHL 1002001). It is a moated site situated on the west bank of the River Pinn off Copthall Road West. It consists of surviving earthworks of the bank and ditch, and a cen","dataset":"archaeological-priority-area","typology":"geography","reference":"78220","prefix":"archaeological-priority-area","organisation-entity":16,"geometry":"MULTIPOLYGON (((-0.455194 51.571053, -0.454887 51.570639, -0.454815 51.570068, -0.454593 51.569408, -0.454488 51.56933, -0.454356 51.569195, -0.454069 51.569077, -0.453852 51.568732, -0.45395 51.568543, -0.453526 51.568452, -0.452907 51.568244, -0.452844 51.5683, -0.452877 51.568652, -0.453168 51.568628, -0.453255 51.568762, -0.453332 51.568754, -0.453448 51.568946, -0.453683 51.569225, -0.453503 51.569555, -0.453463 51.569859, -0.453899 51.570512, -0.453676 51.570757, -0.453548 51.570955, -0.453648 51.571137, -0.45384 51.571349, -0.454262 51.571059, -0.454336 51.571127, -0.454697 51.571284, -0.454971 51.571316, -0.455194 51.571053)))","point":"POINT (-0.454105 51.569986)","quality":"authoritative","archaeological-risk-tier":"Archaeological Priority Area"}