At the recreation of the Ministry of Food in 1939, he became a meat agent and after the end of the Second World War, he entered the British House of Commons, sitting for Salford West. He was elected president of the Manchester and Saiford Meat Association in 1942, a post he held until the following year. During his time in the House, Royle was appointed a Lord of the Treasury in 1950 and one year later, became an opposition whip until 1954.
At the revival of the Ministry of Food in 1939, he became a meat representative and after the conclusion of World War II, he entered the British House of Commons, representing Salford West. He was elected president of the Manchester and Salford Meat Association in 1942, a position he held until the following year. During his time in the House, Royle was appointed a Lord of the Treasury in 1950 and one year later, became an opposition leader until 1954.