Guardian: A 3km runway to the south, costing around 10-13bn, far enough from the existing runway to be operated independently and so able to expand capacity dramatically. Around 200 homes would be lost. Has far fewer planning difficulties so a potentially easier option.
The airport's preferred option: a 3.5km runway which for Heathrow is much better than the shorter runway approved under Labour then scrapped in 2010. The proposal will mean the demolition of the village of Harmondsworth and the building...