Overview
Littlehampton Redoubt, also known as Littlehampton Fort, was built in 1854 to protect the River Arun against a potential French attack led by Napoleon III. The innovative fort featured a Carnot wall and open bastions, with three 68-pounder and two 32-pounder cannons. Despite its short active use of about 20 years due to changes in armaments, it served as a precursor for later Palmerston Forts.
Who built and held it
The fort was built by the Board of Ordnance under Captain Fenwick's supervision. Construction was carried out by Locke and Nesham, a large London firm, and Robert Bushby, a local firm. The garrison consisted of 70 men, including officers, NCOs, privates, a gunner, and a surgeon.
Attack, change and use
The fort was built in response to public pressure and concerns about French invasion and Napoleon III's intentions. It was active for approximately 20 years until technical changes in armaments rendered it obsolete. The Committee on Coast Defences recommended an upgrade in 1873, but the guns were removed in 1891 and the fort partially dismantled.
What survives
Today, parts of the fort such as the surrounding ditch, one bastion, part of the Carnot wall, and the ramparts behind can still be seen. The site is well-presented with a wooden walkway across the sand dunes.
Why it mattered
The Littlehampton Redoubt served as a crucial defensive structure against potential French invasion, and its unique design featuring a Carnot wall and open bastions made it significant in the context of British fortifications.
History checked 2026-08-15 against the named sources below.
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