A report out today claims that replacing Heathrow with a new hub airport would leave passengers, taxpayers and business worse off. It says a third London airport runway is essential if capacity is to be increased.
The study will be presented as evidence to the Airports Commission and argues against a new airport in the Thames Estuary, Isle of Grain or Stansted.
Earlier we spoke to John Holland-Kay, development Director at Heathrow.
More top news
Philippa has the latest weather for the east
Philippa has the latest weather for the west
Arctic temperatures are forecast this week, with the Met Office warning of blizzard conditions in the south on Thursday