The commanders-in-chief were based at premises in High Street, Portsmouth from the 1790s until the end of Sir Thomas Williams's tenure, his successor, Sir Philip Durham, being the first to move into Admiralty House at the Royal Navy Dockyard, where subsequent holders of the office were based until 1969.

[7] Operation Aerial, the evacuation from western French ports in 1940, was commanded by Admiral William Milbourne James, the Commander-in-Chief.

[9] Also located at HMS Vernon for a time within the C-in-C Portsmouth's command boundaries was the Rear-Admiral in charge of the Royal Navy Coastal Forces.

[12] The posts of Second Sea Lord and Commander-in-Chief Naval Home Command were amalgamated in 1994 following the rationalisation of the British Armed Forces following the end of the Cold War.

[13] Considered as the most prestigious of the home commands, the Commander-in-Chief was responsible for the central part of the English Channel between Newhaven and the Isle of Portland.