Analysis of information sources in references of the Wikipedia article "Fixed-term Parliaments Act 2011" in English language version.
In 2011, the Fixed-term Parliaments Act (FTPA) set the length of time between general elections at five years - and transferred the power to call an early election from the prime minister to MPs.
The UK has no written constitution. Yet entrenchment in some forms has had a part in UK constitutional conceptions. Moreover, in recent times this role has grown. Some precedent for supermajorities, for instance, has appeared through the provision in section 2 of the Fixed-term Parliaments Act 2011 for early general elections following support from two-thirds or more of MPs.
The Fixed-Term Parliaments Act 2011 introduced by David Cameron's coalition government removed the longstanding power of the prime minister to call a general election and instead created what should normally be a five-year period between polls.