Formed in London in August 1914. By November 1914, in 2/4th London Brigade in 2/2nd London Division at White City. This formation was later retitled as 179th Brigade in 60th (2/2nd London) Division.
October 1914 : battalion name changed to 2/13th (County of London) Princess Louise's Kensington Battalion. Moved to Maidstone in January 1915. Went on to Watford (April 1915), Saffron Walden (June 1915), Sutton Veny (January 1916).
28 April 1916 ; landed at Cork for security duties following Irish rebellion. Moved to Ballincollig and Macroom.
14 May 1916 : sailed from Rosslare to Fishguard and returned to Sutton Veny.
22 June 1916 : landed at Le Havre.
November 1916 : moved to Salonika.
2 July 1917 : moved to Egypt, arriving Alexandria 5 July.