House of Commons of the Commonwealth of England
15th Parliament
Type Lower house of the Parliament of England
Speaker John Bercow MP
since 22 June 2009
Leader of the Commons David Lidington MP, Conservative
since 14 July 2016
Shadow Leader of the Commons Valerie Vaz MP, Labour
since 6 October 2016
Established 1946
Preceded by House of Commons of Britannia
Members 573
Commons 2015 JoW.svg
Political groups
     Labour Party (228)
Other opposition parties
     Liberal Democrats (8)
     Plaid Cymru (3)
     Green Party (1)
     England Independence Party (1)
     Independent (1)
Voting system First-past-the-post
Last election 8 June 2017
Next election On or before 5 May 2022
Meeting place
House of Commons chamber
Palace of Westminster
City of Westminster

The House of Commons of England is the lower house of the English Parliament. Like the upper house, the Senate, it meets in the Palace of Westminster. Officially, the full name of the house is The Honourable the Commons of the Commonwealth of England in Parliament assembled.

The House is an elected body consisting of 573 members known as Members of Parliament (MPs). Members are elected to represent constituencies by first-past-the-post and hold their seats until Parliament is dissolved.

The first House of Commons of England developed in the 13th and 14th centuries, became the House of Commons of England and France after France's unification with England in the early 15th century, and assumed the title of House of Commons of the United Kingdom after the political union with Scotland in 1707. Upon the United Kingdom's collapse amid the French Revolution in the late 18th century, the Commons became the unicameral legislature of the Commonwealth of Great Britain and Ireland. The Commons thereafter evolved into that of Fascist Britain in 1933. Following the end of World War III and the partition of Britannia into England, Scotland and Ireland, the modern House of Commons of England was established by the new English Constitution. The Constitution also placed restrictions on the Commons' power through the creation of the Senate, thereby restoring the Westminster system in England, which had been absent from the British Isles for more than 150 years.

The Government is primarily responsible to the House of Commons and the Prime Minister stays in office only as long as he or she retains the support of a majority of its members.

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