He was nominated for a Licentiate of the Royal Institute of British Architects in 1911.
He emigrated to Western Canada shortly afterwards and settled at Swift Current, Saskatchewan. Here he was employed as assistant to William Whiddington until early in 1913. Shortly afterwards he accepted a post as a draftsman for the City of Swift Current.
By 1920 he had relocated to Regina, Saskatchewan, and was employed as an architect by the Saskatchewan Grain Growers' Association. From 1921 he was an assistant in the office of Reilly, Dawson & Reilly. When Dawson left in 1924 he was made a full partner and this office remained active until 1936. During this period, Warburton carried out two commissions independently, both for designs of Public Library branches in Regina.
On 25 October he was elected president of the Saskatchewan Association of Architects.[3]
After the death of William R. Reilly in March 1936, the office was renamed Reilly, Warburton & Crowther.
^Brodie, Antonia (20 December 2001). Directory of British Architects 1834–1914: Vol 2 (L-Z). Royal Institute of British Architects. p. 910. ISBN082645514X.
^Kelly's Directory to the County of Nottinghamshire. Kelly’s Directorys Ltd. 1912. p. 32.
^"Notes"(PDF). The Journal, Royal Architectural Institute of Canada. 10 (11): 194. 1 November 1933.
^"Deaths". The Daily Colonist, Victoria B.C. 19 September 1944. Retrieved 7 July 2019.
^"1280" (1878-1937) [Building Plan Register]. District Council Records, File: DC/BS/4/2/1. Nottingham: Nottinghamshire Archives Office.
^"641" (1878-1937) [Building Plan Register]. District Council Records, File: DC/BS/4/2/1. Nottingham: Nottinghamshire Archives Office.
^"348" (1878-1937) [Building Plan Register]. District Council Records, File: DC/BS/4/2/1. Nottingham: Nottinghamshire Archives Office.
^"353" (1878-1937) [Building Plan Register]. District Council Records, File: DC/BS/4/2/1. Nottingham: Nottinghamshire Archives Office.