He then sat in the Commons as Member of Parliament (MP) for Truro from 1792–96. His father succeeded as Marquess of Winchester in 1794, giving Paulet the courtesy title of Earl of Wiltshire. In 1796 he returned to a part-time military life as Lt.-Colonel of the North Hampshire Militia and in 1798 became Lord Lieutenant of Hampshire.
Paulet then took his place in the House of Commons as a Member of Parliament (MP) for Truro from 1792 to 1796. Following his father's ascension to Marquess of Winchester in 1794, Paulet was entitled to use the courtesy title of Earl of Wiltshire. In 1796, he returned to part-time military duty as Lt.-Colonel of the North Hampshire Militia and two years later became Lord Lieutenant of Hampshire.