And now we have a counter-proposal by Heathrow, for one or two new runways (to really blight the area).
BBC News - Heathrow plans 'frightening' reality as third runway proposed
We are approaching a stalemate here, where Heathrow submits increasingly absurd proposals, that will never pass planning consent, while simultaneously ignoring the only proposal that will end the hub-capacity problem for London and the UK (i.e.: a Thames airport).