Opinion polls were conducted gradually from the months after the previous general election held on 6 May 2010, and increased in frequency before the upcoming general election which will take place on 7 May 2015.
Opinion polls were run at gradually increasing frequency from just months after the previous general election, held on 6 May 2010. Under the default position laid down by fixed-term parliament legislation the next general election will take place on 7 May 2015.