The fort consisted of a gun platform 15 ft (4.6m) above sea level and was in the shape of a lunette, that is a straight sided crescent.
Instead of the open bastions at the Littlehampton fort, Shoreham had a caponier with a brick roof at each of the three angles of the walls.
[9] During World War II the fort became part of an emergency coastal battery with aiming lights and two 6-inch guns, which were in emplacements built on top of the terreplein.
[10] Today the gun platform, ditch, Carnot wall and caponiers can be viewed in their restored state.
Outside the fort to the east is a WW2 aiming light station, now used by volunteers from the National Coastwatch Institutionto observe the adjacent harbour entrance and sea approaches.
The Nissen hut had been dismantled in late 2013 at its original site near Chichester after two former land girls living there since World War II had died.
[citation needed] The trench will be used for education and was partly funded by the National Lottery and Adur and Worthing Councils.