So clearly my guess of 10% domestic traffic at LHR was about right. A simple terminal at NHT and the existing R/w could easily cope with that. I am sure the ViIP s could easily fit in their limited movements.
I am not suggesting LHR could not be expanded, but cramming more & more into one area has no long term future. Almost every other major city now has several airports ie JFK IAD CDG/ORY Berlin IST etc this gives diversity & providing the links between them work then travel is hassle free
Why do the supporters of a bigger LHR not think that other parts of the Uk should not have good links too. London has a population of circa 10M about 1/6th of the Uk population so it should not call all the shots.