He is best known for his roles with BBC and Channel 5, presenting programmes such as Fake Britain, Cowboy Builders, Saints and Scroungers and Don't Get Done, Get Dom.
His first job was as part of an on-board team repairing Thames sailing barges; when the company relocated from Maldon, Essex to France, he started a City and Guilds apprenticeship in motor engineering.
[7] In 2007, Littlewood took part in the fifth series of BBC One's Strictly Come Dancing, paired with professional dancer Lilia Kopylova.
Beginning on 27 January 2015, Littlewood hosted a three-part series on ITV called Bad Builders: Bang to Rights.
In 2019, Littlewood presented the BBC travel documentary Dom Does America, which saw him investigating the most dangerous jobs in the United States, including being shot with a TASER by police in Texas.