A poll by GetWestLondon suggests a majority across the sub-region want Heathrow expanded.
The poll, designed to tease out the key election issues, showed more than a third of west Londoners (35.5%) said “a third Heathrow runway is vital for the local economy and jobs”.
A similar number – 29.6% – preferred Gatwick, while 19.5% preferred the idea of extending an existing runway.
Just 15.4% supported a Thames Estuary airport.
The sample were not uniformly in favour of major national infrastructure improvement. The same poll showed over half (51.5%) feel that HS2 is a “waste of money and should be scrapped”.