© Mapbox · © OpenStreetMap contributors · Boundary data © Historic England (NHLE)
Sheerness Defences is a scheduled ancient monument comprising nineteenth and early twentieth-century military fortifications located at Sheerness in Kent. The site includes Victorian-period gun emplacements and ammunition magazines, supplemented by early twentieth-century gun towers, a fire-control building, and a pillbox constructed on the Centre Bastion. These structures reflect the evolution of coastal defence architecture during a period of significant technological change in naval gunnery and fortification design. The fortifications represent the strategic importance placed on defending the Thames estuary and the naval installations at Sheerness throughout the modern period.
Sheerness Defences: C19 gun emplacements and magazines and early-C20 gun towers, fire-control building and pillbox on the Centre Bastion is a scheduled monument protected by Historic England under reference 1471141. View the official record →
Sheerness Defences is a scheduled ancient monument comprising nineteenth and early twentieth-century military fortifications located at Sheerness in Kent.
Sheerness Defences: C19 gun emplacements and magazines and early-C20 gun towers, fire-control building and pillbox on the Centre Bastion 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 1471141.
Several scheduled monuments lie within 10 km, including Sheerness defences (0.1 km), Queenborough Lines (1.5 km), Coastal artillery defences on the Isle of Grain, immediately east and south east of Grain village (2.2 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of Sheerness Defences: C19 gun emplacements and magazines and early-C20 gun towers, fire-control building and pillbox on the Centre Bastion'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.
Sheerness Defences: C19 gun emplacements and magazines and early-C20 gun towers, fire-control building and pillbox on the Centre Bastion stands on Eocene claystone, bedrock that formed in the Eocene. The rock here is claystone.