Designated as a Class C, Commercial Port by the Home Ports Defence Committee, later the Home Defence Committee with defences designed to resist attack by unarmoured cruisers and block ships.
The primary fortification for the Port of Hull was Paull Point Battery which was a fort built between 1861 and 1864. It was upgraded twice, the last time being in 1904 when it mounted three 6-inch Mark VII guns.
NORTH SHORE
Sunk Island Battery with two 6-inch Mark VII guns (1914)
Godwin Battery with two 6-inch Mark VII guns (1915)
SPURN POINT (1915)
Green Battery with two 9.2-inch Mark X on Mark 5 mounts
Light Temporary Battery with two 4.7-inch Mark V QF guns on Mark III mounts
Light Permanent Battery with two 4.7-inch Mark V QF guns on Mark II mounts
SOUTH SHORE
Stallinborough Battery with two 6-inch Mark VII
Kingholme Battery with two 12-pdr QF guns
SEA FORTS
Haile Sand Fort with two 4-inch QF guns
Bull Sand Fort with four 6-inch BL guns