his health he was sent to Chatham. Jebb was appointed adjutant of the royal sappers and miners at Chatham on 11 February 1831, and promoted first captain on 10 January 1837.

On 10 March 1838 Jebb was appointed by the Lord President of the council to hold inquiries on the grants of charters of incorporation to Bolton and Sheffield, and on 21 May of the same year he was made a member of the commission on the municipal boundary of