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Three Palmerstonian Gun Batteries on Flat Holm is a Victorian-period coastal defence installation comprising three separate artillery emplacements dating to the mid-nineteenth century. Built during the Palmerston fortification programme of the 1860s, which responded to perceived threats from French naval expansion, the batteries represent the application of contemporary military engineering to the island's strategic position in the Bristol Channel. The installations consist of open gun positions designed to mount heavy artillery, reflecting the defensive priorities of the period. These structures remain significant examples of Victorian coastal fortification and form part of the broader network of contemporary defences established around British shores.
Three Palmerstonian Gun Batteries, Flat Holm is a scheduled monument protected by Cadw under reference GM351. View the official record →
Three Palmerstonian Gun Batteries on Flat Holm is a Victorian-period coastal defence installation comprising three separate artillery emplacements dating to the mid-nineteenth century. It is designated a Scheduled Ancient Monument by Cadw under reference GM351.
Three Palmerstonian Gun Batteries, Flat Holm dates from the post medieval/modern period, and is classified as a battery. It is one of over 32,000 scheduled monuments protected across the UK.
Three Palmerstonian Gun Batteries, Flat Holm is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is GM351.
Several scheduled monuments lie within 10 km, including Flat Holm Coastal and Anti-aircraft Defences (0.1 km), Flat Holm Victorian Rain Water Catchment (0.1 km), Flat Holm Victorian Rock Cut Defensive Ditch and Rampart (0.1 km).
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Research the area around Three Palmerstonian Gun Batteries, Flat Holm