 Before the 1918 general election, constituencies were redrawn and the Ramsey Division was abolished.A new all Huntingdonshire seat was created, and Locker-Lampson stood for this instead, and was elected.He was Parliamentary Private Secretary to the Chancellor of the Exchequer Austen Chamberlain from 1919 to 1921, and accompanied Chamberlain to the Paris Peace Conference in 1919.