[3] In 1937, on the break-up of the London Regiment, the unit based at the drill hall was redesignated the Queen's Westminsters, King's Royal Rifle Corps.

[2] In the 1970s the drill hall was used by the Army Cadet Force Association[5] and, in the late 20th century, it was used extensively by the Metropolitan Police Service.

[7] The building was designed by John Macvicar Anderson as the headquarters of the 7th (London Scottish) Middlesex Volunteer Rifle Corps[8] and was opened by the Duke of Cambridge in July 1886.

[11] In August 1914, the 14th (County of London) Battalion was mobilised at the drill hall before being deployed to the Western Front.

[12] In April 1944, during the Second World War, Princess Elizabeth visited a Sea Scouts exhibition at the drill hall.