He has been a regular expert on the television series Antiques Roadshow. He took over as daytime host of the BBC One TV show Bargain Hunt in 2003. He has served as narrator for the TV series Antiques Roadtrip. He has also appeared on television shows such as Test the Nation, Ready, Steady, Cook, This Morning, Top Gear, Put Your Money Where Your Mouth Is, Royal Upstairs Downstairs, and Going, Going, Gone. He was given the key to the city of Plymouth in 2011. In August 2014 Tim was announced as a contestant on the 12th series of the reality competition Strictly Come Dancing.