In 1885, Deakin became Chief Secretary and Commissioner for Water Supply and from 1890 Minister for Health and, briefly, Solicitor-General. In 1887 he led Victoria's delegation to the Imperial Conference in London, where he argued forcibly for reduced colonial payments for the defence provided by the British Navy and for improved consultation concerning the New Hebrides. In 1889, he became the member for the Melbourne seat of Essendon and Flemington.
In 1885, Deakin became Chief Secretary and Commissioner for Water Supply and from 1890 Minister for Health and, briefly, Solicitor-General. In 1887 he led Victoria's delegation to the Imperial Conference in London, where he argued forcibly for reduced colonial payments for the defence provided by the British Navy and for improved consultation concerning the New Hebrides. In 1889 he became the member for the Melbourne seat of Essendon and Flemington.