Heathrow Airport has said it will host a number of exhibitions in local communities to give residents the opportunity to have their say and "shape" its plans for expansion.
The airport's own public consultation, which begins in January 2018, is separate to a government consultation which is due to close on Tuesday (December 19).
Heathrow has said details of the exhibitions will be released in the new year and that its consultation will focus on three main areas - design, reconfiguration of the M25 and principles of airspace (noise impact).
The government's consultation was reopened in October after the Department for Transport (DfT) published a series of fresh reports into the impact of expanding the west London hub, including updated noise analysis and a new air quality plan.
Emma Gilthorpe, Heathrow’s executive director for expansion, said: “Expanding Heathrow is pivotal to Britain’s future prosperity and it’s a chance to make the airport a better neighbour for our local communities.
"Over the past year, we’ve been working hard to evolve our expansion plans and have come up with several new options to deliver it more responsibly and affordably.
“Next January, we’ll be sharing these options in a 10-week public planning consultation and we want to hear what you think."
Ms Gilthorpe continued: "By working together throughout the consultation, the public can help shape our plans and, jointly, we can ensure that expansion delivers for our passengers, businesses across Britain and importantly for our local communities.”
Heathrow's 10-week consultation will begin on January 17 2018 and run until March 28.
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