Here's an article about Heathrow Terminal 5 from yesterday's newspaper. Sounds awful, but it states that BA is the exclusive user right now:

http://www.theglobeandmail.com/servlet/story/LAC.20080401.TICKERHEATHROW01/TPStory/?query=Heathrow


Wendy
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Booked: Uniworld Egypt, 2015
Tauck Amsterdam to Budapest, 2016
Paul Gauguin, Societies & Tuamotus 2016