Caborn joined the frontbench under Neil Kinnock in 1988 when he became an opposition spokesman on Trade and Industry, becoming a spokesman of Regional Affairs in 1990. After the 1992 general election he became the chairman of the Trade and Industry Select committee where he served until 1995 when he became an opposition spokesman on the Lord Chancellor's Department. Following Labour's return to power at the 1997 general election, he entered the government of Tony Blair as the Minister of State at the Department of Environment, Transport and the Regions, in which role he was closely involved in establishing the English Regional Development Agencies. He was also a strong supporter of English regional government, but after negative responses from referendums in the north of England in 2004 this was dropped by government. He then moved with the same position at the Department of Trade and Industry in 1999. He became a Member of the Privy Council in 1999, and from the 2001 general election until 2007 he served as the Minister of Sport. In relation to the Wembley Stadium rebuilding project, he announced in October 2005: "They say the Cup Final will be there, barring six feet of snow or something like that".