He was the star on Bunn and Co., a radio show that was broadcast from March 2003 to April 2004 on BBC Radio 4. Barron's performance in the BBC's Test the Nation IQ test show on 2 September 2006 gave him an IQ of 146. In 2007 Barron joined ITV1's Coronation Street as George Trench. In 2011, Barron starred in the BBC show, Lapland, a role which he returned to for a series, Being Eileen, from February 2013.