Heathrow airport has submitted “refined proposals” on its bid to the Airports Commission for the building of a third runway.
The airport said the altered proposals reflect input from recent public consultations, but declined to comment further on the changes.
Decision on Heathrow's bid for a third runway to be made in 2015Heathrow’s chief executive Colin Matthews said the airport’s prospects are “bright” and the submission sets out the case for "building on Heathrow’s strength as a global hub".
The Airports Commission, headed by former CBI boss Sir Howard Davies, is currently looking at two possible expansion options at Heathrow, as well as a possible second runway at Gatwick.
The proposal for a new airport in the Thames estuary, dubbed Boris Island after London mayor Boris Johnson, is also still being considered and could be added to the shortlist if it is shown to be economically viable.
The commission will make its final recommendation in summer 2015 after the next general election.
Heathrow Terminal 2: Queen's Terminal to open in JuneHeathrow results
Results for the three months to March show passenger traffic to Heathrow grew by 0.5 percent compared to the same period in 2013. Revenue also increased 10.8 percent to £576 million.
A report published earlier this month (April) showed airfares for flights from Heathrow are currently £95 higher due to the lack of capacity at the UK’s hub airport, according to a new report.
Research firm Frontier Economics also estimated that the average ticket price could be £300 lower by 2030 if Heathrow was allowed to expand, while a third runway could add 40 new routes from the airport.