This article is the edited transcript of a witness history seminar which brought together high profile ‘insiders’ and ‘outside’ academic commentators to reflect critically on New Labour’s governance of Britain, 1997-2010. The contributions cover major areas of government activity, notably the economy, industrial policy, social justice, energy policy, ‘Europe’, military intervention, the use of intelligence and government decision-making. In their respective area of expertise, the contributors investigate the Conservative legacy seen through the eyes of New Labour people, the policies New Labour under Tony Blair and Gordon Brown tried to put in place, what changes these policies were intended to bring about and, finally, what the overall balance sheet of achievements was. The concluding section draws out the key domestic and foreign policy lessons learned during the New Labour years. The article presents a fascinating collection of findings that will be hugely relevant to Ed Miliband’s Labour Party as it gears up for the 2015 general election and after
