Educated at Trinity College, Cambridge,[1] Hull was commissioned as a subaltern, with the rank of lieutenant, into the 3rd (Militia) Battalion, York and Lancaster Regiment in April 1886.

He was wounded at the Battle of the Tugela Heights in late February 1900, as his battalion took part in the relief of Ladysmith.

[14] In February 1912 he was transferred to the Middlesex Regiment where he received a promotion to the substantive rank of lieutenant colonel.

Hull, who in February was promoted to brevet colonel,[19] would command the brigade, part of the 4th Division, throughout the rest of the year and into early 1916.

[24] He transferred to become GOC 43rd (Wessex) Division, another TF formation, in June 1919[25] before retiring from the army in 1920 before his death at the relatively early age of 55 in July that year.