Originally Posted by
iker
I was doing some research on how to make the best connection at T5. Everything I could find pointed me to taking a train back to Terminal 5A to clear immigration and then going to one of the Galleries Lounges there, either Galleries North or South.
Ah, well clearly you haven’t found the right guide. Here you go…
LHR Terminal 5B Flight Connections - a pictorial guide - including T5B bus service
(although note some of the details are no longer current, e.g the £15 Starbucks credit is long gone, and you no longer need to remove laptops and liquids etc