[4][5][6][7][8][9][10] William and Richard Roupell were convicted and imprisoned for perjury and forgery in 1862 and were obliged to resign, so a number of new officers were commissioned into the 19th Surrey Rifle Volunteers (referred to as a battalion) on 4 February 1862.

[11][12] Valentine Hicks Labrow, formerly of the 2nd West Yorkshire Light Infantry Militia, was appointed as Major on 2 June 1863[13] and promoted to Lieutenant-Colonel on 21 November 1864.

The Stanhope Memorandum of December 1888 proposed a more comprehensive Mobilisation Scheme for Volunteer units, which would assemble in their own brigades at key points in case of war.

Another cadet corps was proposed in January 1889, with Maj Salmond of the 3rd (Derbyshire Militia) Bn, Sherwood Foresters being asked to take charge.

Viscount Wolseley made a speech at Red Cross Hall in Southwark on 30 May that encouraged sufficient boys to come forward to form two companies.

Recruited from schools and boys' clubs, by 1904 the battalion was distributed as follows: [6][7][15] A 2nd Cadet Bn, Queen's, of four companies was formed in November 1890.

[6] After Black Week in December 1899, the Volunteers were invited to send active service units to assist the Regulars in the Second Boer War.

[29][30][31][32] A 2/23rd Battalion was formed, which served at Salonika and in Palestine with 60th (2/2nd London) Division before returning to the Western Front at the end of the war.

[7][15] The following served as Honorary Colonel of the battalion:[15] The battalion was awarded the following Battle honours:[15][28] Second Boer War: South Arica 1900–02 World War I: Aubers, Festubert 1915, Loos, Somme 1916, '18, Flers-Courcelette, Le Transloy, Messines 1917, Ypres 1917,Cambrai 1917, St Quentin, Ancre 1918, Albert 1918, Hindenburg Line, Épehy, Pursuit to Mons, France and Flanders 1915-18, Doiran 1917, Macedonia 1916-17, Gaza, El Mughar, Nebi Samwil, Jerusalem, Jericho, Jordan, Tell 'Asur, Palestine 1917-18 The honours listed in bold were inscribed on the colours.

Battle honours for World War II were awarded as part of the Queen's Regiment, attributable as follows:[7][28] 1/7th Battalion: Villers Bocage, Mont Pinçon, Lower Maas, North West Europe 1940, '44–45, Deir el Munassib, El Alamein, Advance to Tripoli, Medenine, Tunis, North Africa 1940–43, Salerno, Monte Stella, Scafati Bridge, Volturno Crossing, Italy 1943–44 2/7th Battalion: North West Europe 1940, Salerno, Monte Stella, Scafati Bridge, Volturno Crossing, Monte Camino, Garigliano Crossing, Damiano, Anzio, Gothic Line, Gerinano Ridge, Senio Pocket, Senio Floodbank, Casa Fabbri Rdge, Menate, Filo, Argenta Gap, Italy 1943–45 The 24th Bn London Regiment is listed on the City and County of London Troops Memorial in front of the Royal Exchange, with architectural design by Sir Aston Webb and sculpture by Alfred Drury.

[37][38][39] The Regimental Colours presented to the 24th Londons at Windsor Castle on 19 June 1909 are laid up in St Mary's Church, Kennington Park Road.