Moderator, Iberia Airlines, Airport Lounges, and Ambassador, British Airways Executive Club
Join Date: Feb 2010
Programs: BA Lifetime Gold; Flying Blue Life Platinum; LH Sen.; Hilton Diamond; Kemal Kebabs Prized Customer
Posts: 63,799
Terminal 3 is mothballed and won't reopened for at least a year. Exception: the lost property desk there is open, for restricted hours.
Have another go?
[The dashboard does have a thread on transferring around Heathrow].