In a report released by the Airports Commission this morning, it was announced that the cost of expanding both Gatwick and Heathrow has been underestimated and both would cost between £2bn - £4bn more than first estimated.
The report announced Sir Howard Davies and his team have further looked into the three major sites for the London airport expansion. The three options are “Boris Island” in the Thames Estuary, a second runway at Gatwick or a third airport for Heathrow. However, the estuary airport is currently thought to be the least likely to go ahead.
The report concluded a Heathrow expansion would likely be the most financially beneficial to both the London and UK economy, though a Gatwick expansion would be far less costly.
The report means the debate will now go to public consultation, although the final decision rests with government.