The Admiralty Citadel

One of the most recognisable yet unknown buildings in London.
Location: Horse Guards Parade, Westminster, SE11 4UH
Description: The Admiralty Citadel is London's most visible military citadel, situated under heavy ivy, behind the Admiralty building on Horse Guards Parade.
It was constructed in 19401941 as a bomb-proof operations centre for the Admiralty, with foundations 30 feet deep and a concrete roof 20 feet thick.
It's linked by tunnels to government buildings in Whitehall. Sir Winston Churchill described it in his memoirs as a vast monstrosity which weighs upon the Horse Guards Parade.
The Admiralty Citadel is still used today by the Ministry of Defence.

One of the most recognisable yet unknown buildings in London. |
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