Populus interviewed at least 1,000 adult residents (18+) in ten constituencies local to Heathrow Airport by telephone between 19 November and 21 December 2014. In total, 10,006 residents were interviewed. Results were weighted to be demographically representative of all adults in each constituency, and were also weighted by past vote to be politically representative of all adults.
19 November, 2014
21 October, 2014