 Noel was elected Member of Parliament for Rutland in 1847.He served under Lord Derby and then Benjamin Disraeli as a Lord of the Treasury from 1866 until 1868 and then briefly under Disraeli as Parliamentary Secretary to the Treasury between November 1868 and the fall of the Conservative government in December of the same year.After the Conservatives returned to power in 1874 he was sworn of the Privy Council.