Cliffe Fort saw about 60 years of usage as an artillery fort, from its completion in 1870 to its disarmament in 1927. It was repurposed during World War II to serve as an anti-aircraft battery on the approaches to London.
For nearly six decades, Cliffe Fort served as a military installation, operational from 1870 until its disbandment in 1927. During World War II, it was transformed into an anti-aircraft artillery unit situated near London.