Durham. Spennymoor transferred from Durham with the parish of Brancepeth. 1983–1997 The District of Derwentside wards of Benfieldside, Blackhill, Burnhope, Castleside, Consett North, Consett South, Cornsay, Crookhall, Delves Lane, Ebchester and Medomsley, Esh, Lanchester, and Leadgate; and the District of Wear Valley wards of Crook North, Crook South, Howden, Hunwick, St John's Chapel, Stanhope, Stanley, Tow Law, Wheatbottom and Helmington Row, Willington East, Willington West, and Wolsingham. Gained area comprising former urban district of Consett (incorporating Benfieldside, Consett and Leadgate). Brandon and Byshottles, and Brancepeth transferred to City of Durham, and Spennymoor to Sedgefield. 1997–2010 The District of Derwentside wards of Benfieldside, Blackhill, Burnhope, Burnopfield, Castleside, Consett North, Consett South, Cornsay, Crookhall, Delves Lane, Dipton, Ebchester and Medomsley, Esh, Lanchester, and Leadgate; and the District of Wear Valley wards of Crook North, Crook South, Howden, Hunwick, St John's Chapel, Stanhope, Stanley, Tow Law, Wheatbottom and Helmington Row, Willington East, Willington West, and Wolsingham. The Derwentside District wards of Burnopfield and Dipton transferred from North Durham. 2010–present The District of Derwentside wards of Benfieldside, Blackhill, Burnhope, Burnopfield, Castleside, Consett East, Consett North, Consett South, Cornsay, Delves Lane, Dipton, Ebchester and Medomsley, Esh, Lanchester, and Leadgate; and the District of Wear Valley wards of Crook North, Crook South, Howden, Hunwick, St John's Chapel, Stanhope, Tow Law and Stanley, Wheatbottom and Helmington Row, Willington Central, Willington West End, Wolsingham, and Witton-le-Wear. The 1997 boundaries were retained despite the official description of the constituency changing slightly in terms of the names of the local authority wards. In the 2009 structural changes to local government in England, the local authority districts in Durham were abolished and replaced with a single unitary authority; however, this has not affected the boundaries of the constituency. Political history 1885–1918 During the first creation, Liberals represented the area and the first member until 1914 was the son of a prominent Chartist, Ernest Jones, who helped to promote New Liberalism, encouraging the Liberal Party to take on instead the politics of "mass working-class" appeal. This politics was epitomised by David Lloyd George whose People's Budget in 1909 led to the supremacy of the House of Commons over the House of Lords in 1911, national pensions under a basic welfare state (but without a National Health Service). 1950–present From its recreation in 1950 until December 2019, the seat had been represented in Westminster by members of the Labour Party. For many years