Married a Canadian the answer is simple: Heathrow is too small. Way too small.
Please could you ask the politicians in the 1960s/70s/80s/90s/00s/10s to sort it out? The airport has been a quart/pint pot for decades and there are several threads runing on this is A.A.&R. but, to save you the trouble of reading them: Nothing is going to change and, once many of the hub services have moved to the Continent and Middle East, the greatly reduced services at LHR will fit in neatly with the size of the place as it is now.
