A new poll has revealed two thirds of MPs want to see Heathrow Airport expansion given the green light in a move to strengthen Britain’s economy.

The survey carried out by ComRes also saw expansion at the west London airport ranked as the top infrastructure project for delivering growth across the country, ahead of the likes of HS2 , HS3 and the expansion of Gatwick airport.

The results are based on 150 MPs questioned between April 13 and June 14 2016, but Brits have since voted to leave the EU in last week's referendum, putting future expansion in doubt.

Heathrow CEO John Holland-Kaye said: “At an uncertain time for the British economy, MPs recognise that Heathrow is a private sector infrastructure project that will spread growth across Britain from the moment that we get a green light.

“Now more than ever, people across Britain are counting on the government to take bold decisions that show we are a confident outward-looking trading nation.

“MPs are clear that expanding Heathrow will help secure Britain’s long-term economic future. Heathrow is the right choice for a stronger Britain.”

Last week, Heathrow released a new video animation of the world below Terminal 5 and 6 as it could look with expansion and rail upgrades, including five different rail services by 2032.

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The airport is currently connected by the tube, Heathrow Express and Heathrow Connect rail services, with Crossrail or the Elizabeth Line in 2019 and plans for The Western Rail Link.

The Airports Commission recommended Heathrow as the preferred site for a new runway in the south-east back in July 2015.

However, the government is yet to make a decision and with Britain’s vote to leave the EU and Prime Minister David Cameron stepping down in October, an outcome by July seems unlikely.