In 1949 Flower was nominated a Deputy Lieutenant for the county of Cheshire and in 1961 vice lord-lieutenant. From 1946, he represented the county also as a Justice of the Peace, retiring from these posts in 1968.
Flower held various roles in Cheshire, including Deputy Lieutenant and vice lord-lieutenant, which he took on in 1949 and 1961, respectively. He also served as a Justice of the Peace for the county from 1946 until his retirement in 1968.