Fixed-term Parliaments, where general elections ordinarily take place in accordance with a schedule set far in advance, were part of the Conservative–Liberal Democrat coalition agreement which was produced after the 2010 general election.
Parlemen Masa Jabatan Sah, dimana pemilihan umum biasa diadakan bertepatan dengan jadwal yang dimajukan, merupakan bagian dari perjanjian koalisi Konservatif–Liberal Demokrat yang dihasilkan setelah pemilihan umum 2010.