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Fort Cumberland is a late eighteenth-century coastal fortification located at Eastney in Portsmouth, Hampshire. Built between 1867 and 1872 as part of the Victorian programme of coastal defence, the fort was designed to protect Portsmouth Harbour from seaward attack. The structure comprises a polygonal bastioned fortress with substantial brick and stone construction, incorporating advanced military engineering principles of the period. Fort Cumberland served an operational role throughout the nineteenth and twentieth centuries and represents a significant example of Victorian military architecture adapted to evolving naval threats.
Fort Cumberland is a scheduled monument protected by Historic England under reference 1015700. View the official record →
Fort Cumberland is a late eighteenth-century coastal fortification located at Eastney in Portsmouth, Hampshire. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1015700.
Fort Cumberland is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1015700.
Several scheduled monuments lie within 10 km, including Eastney sewage pumping station (0.8 km), Eastney forts and perimeter defences of barracks (1.5 km), World War II Heavy Anti-aircraft gunsite (P2) at Sinah Common, 570m south east of Sinah Farm (1.8 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of Fort Cumberland's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Fort Cumberland stands on Bracklesham Group And Barton Group (Undifferentiated), bedrock that formed in the Eocene. The rock here is sand, silt and clay.