See also today's Independent:
"Much of the land needed for the runway is occupied by airport-related buildings, including a cargo village and car parks"
Heathrow?s latest plan for third runway would be ?plane crazy? for one village - Home News - UK - The Independent
On the other hand, Simon Calder also tells us
"In addition, the eastern end would be located about a mile further from London than the existing two runways. Arriving and departing aircraft would therefore be significantly higher when flying over the capital."
so it's quite possible that all of the above is b*ll*cks
