Originally Posted by Visconti

You have to pay for an airport bus? Or, is this the London municipal (no idea of the nomenclature here) transport service? I suppose, assuming I'd ever find my old Oyster/Octopus (been so long, have forgotten which is which between HK & UK), I'd be able to hop on it, providing I can actually find the bus stop. LHR strikes me as an incredibly expansive and very complex terminal, kind of like LAX on steroids.