Key facts
- Role
- Head of government
- Residence
- 10 Downing Street
- First PM
- Sir Robert Walpole
- First female PM
- Margaret Thatcher (1979)
- Accountable to
- Parliament
The Prime Minister (PM) is the head of the UK government and the leader of the political party with the majority in the House of Commons.
Role of the Prime Minister
Powers and Responsibilities
- Leads the government and sets policy direction
- Chairs Cabinet meetings
- Appoints and dismisses ministers
- Represents the UK at international meetings
- Answers questions in Parliament (PMQs)
- Advises the King on appointments
- Commands the armed forces (with Parliament)
Residence
- 10 Downing Street - Official London residence and office
- Chequers - Country residence in Buckinghamshire
How Someone Becomes Prime Minister
- 1Lead a political party - Usually the Conservative or Labour Party
- 2Win a general election - The party wins the most seats
- 3Be invited by the King - To form a government
- 4There is no direct election for Prime Minister
Notable Prime Ministers
- Sir Robert Walpole (1721-1742) - First Prime Minister
- Winston Churchill (1940-1945, 1951-1955) - WWII leader
- Margaret Thatcher (1979-1990) - First female PM
- Tony Blair (1997-2007) - Labour's longest-serving PM
Accountability
The PM is accountable to:
- Parliament - Must answer questions and can face votes of no confidence
- The public - Through elections
- The Cabinet - Ministers can resign or rebel
Why it comes up in the test
Know the PM's role, residence (10 Downing Street), and notable PMs.
Common traps
- Thinking the PM is directly elected
- Confusing the PM with the head of state (the King)
- Not knowing 10 Downing Street
The Prime Minister: common questions
The PM is the leader of the party with the most MPs. After a general election, the King invites the party leader to form a government.
Related topics
Written from Life in the United Kingdom: A Guide for New Residents (3rd edition), the only official source for the test. BritPass is not affiliated with the Home Office; if anything here differs from the handbook, the handbook is right.

