It was far from the triumphant victory Theresa May had been expecting. UK Prime Minister Theresa May: Will she stay or go? By Ben Westcott. The Prime Minister of the United Kingdom is the head of Her Majesty's Government in the British Prime Ministers have never been elected directly by the public. A Prime Minister need not be a party leader; David Lloyd George was not a party Term length : At Her Majesty's pleasure. The Prime Minister is the political leader of the United Kingdom and is the head of the Government. So far there have been 15 Prime Ministers during the reign of. Although George I — attended Cabinet meetings at first, after he withdrew because he did not speak fluent English and was bored with the discussions. The Anglo-Irish Treaty led to the establishment of the Irish Free State. Instead, the public vote for a single Member of Parliament, a representative from their constituency. For a terrible television performer, this seemed fatal. Members of Parliament may be expelled from their party for failing to support the Government on important issues, and although this will not mean they must resign as MPs, it will usually make re-election difficult. Edward Smith Stanley, 14th Earl of Derby — Returning to office for the third and final time, his Reform Act of doubled the number of adult males that could vote in England and Wales. The Prime Minister can authorise, but not directly order, the use of Britain's nuclear weapons and the Prime Minister is hence a Commander-in-Chief in all but. Constitution Courts Elections Foreign relations History Human rights Intersex LGBT Transgender Judiciary Law Law enforcement Legislation Monarchy monarchs Nationality Parliament House of Commons House of Lords Political parties. His ministry was notable for the lack of senior politicians note his four concurrent offices ; descent of fische versenken King into madness, and start of the Regency era under Prince George serving as Regent from ; Peninsular War Napoleonic Wars. The exclusion of non-members of Parliament from the Cabinet was essential to the development of ministerial accountability and responsibility. Tory Henry Addington, 1st Viscount Sidmouth — Although the Treaty of Amiens in temporarily halted the hostilities between the French Republic and Great Britain, the uneasy truce ended in May when Britain again declared war on France. Spencer Perceval — With economic depression and Luddite agitation at home, and the threat of Napoleon in Europe, his administration was divided and repressive. Government of India Act transfers EIC ownership to the Crown ; Jews Relief Act allowing Jews to become MPs ; Great Stink. The Most Honourable Robert Gascoyne-Cecil, 3rd Marquess of Salisbury KG GCVO PC FRS — Royal Arms used by Her Majesty's Government.