Party (na rzecz szkockiej niepodległości) Scottish Pensioners Party Scottish Unionist Party Socialist Environmental Alliance (skrajnie lewicowa partia w Północnej Irlandii) Strathkelvin People’s Independent Labour Party (lokalna w East Dunbartonshire) Welsh Socialist Alliance Wessex Regionalist Party (lokalna w Wesseksie) The Workers Party (Ireland) (wyłoniona z Official Sinn Féin)
Partie skrajnej prawicy Britain First Party Brytyjska Partia Narodowa England First Party Freedom Party Populist Party National Democrats British National Socialist Movement National Front New Britain Party White Nationalist Party
Partie-żarty Church of the Militant Elvis Party Fancy Dress Party Millennium Bean Party MP3 Party Official Monster Raving Loony Party Rock'n'roll Loony Party Stuckist Party Teddy Bear’s Alliance John’s Dictator 4 all party
Partie religijne Christian Peoples Alliance The Common Good Islamic Party of Britain Muslim Party People’s Justice Party Natural Law Party
Partie okazjonalne Legalise Cannabis Alliance Prolife Alliance
Różne partie Partia Libertariańska Countryside Party Democratic Party Humanist Party Liberal Party (członkowie wywodzą się historycznej Liberal Party) The Consensus Third Way (UK) UK Social and Countryside Party