After the war, on 26 September 1946, Down was appointed GOC of the 4th Infantry Division in Greece. In 1947, after the division had been disbanded, he became GOC of all British Troops in Greece. Then in 1948, he became head of the British Military Mission to Greece.[5][6] Returning to the United Kingdom, he was appointed District Officer Commanding Mid-West District and GOC 53rd (Welsh) Infantry Division in 1950 and GOC-in Chief of Southern Command in 1952, a post from which he retired in 1955.[4]