 Hancox signed his first professional contract, of six months, in May 2012, and was given a first-team squad number in August of that year.Hancox made his competitive debut in the 1–0 home defeat by Huddersfield Town in the Championship on 6 October, as an 80th-minute substitute for the injured Curtis Davies.He played at left back, allowing Paul Robinson to move to centre back, and according to the "Birmingham Mail", "can be pleased with his urgent and determined contribution in the last 10 minutes.