Partie, które zakończyły działalność Partie skrajnej lewicy British Socialist Party (1911–1920) Common Wealth Party (1941–1945) Communist Party of Great Britain (1920–1991) Independent Labour Party (1893–1975) International Marxist Group (1968–1981) Labour Party of Scotland (1973) Revolutionary Communist Party (1944–1950) Revolutionary Socialist League (1938–1944) Scottish Militant Labour Scottish Republican Socialist Party (1982–1998) Scottish Socialist Party (1987–1990) Scottish Workers Republican Party Social Democratic Federation (1884–1911) Socialist Labour Party (1903–1980) Socialist League (1886–1903) Workers International League (1937–1944) Workers Socialist Federation (1914–1921) Workers Revolutionary Party (1950–1988)
Partie regionalne Highland Land League (1909–lata 20.) Highlands and Islands Alliance Irish Parliamentary Party John Marek Independent Party (2003) – przekształcona w Forward Wales National Party of Scotland (1928–1934) Republican Labour Party Scottish Labour Party (1976–1979) Scottish Party (1932–1934) Ulster Popular Unionist Party (1980–1995) United Ulster Unionist Party (1977–1982) United Unionist Coalition (1998–2003) Vanguard Progressive Unionist Party (1973–1978) Vectis National Party