Originally Posted by
swallaby
That's what I thought. If I'm not allowed into terminal 3 with a departure ticket for terminal 5 (I know LAX allows access to any terminal with any departure ticket) it sounds like I'm out of luck. Thanks guys!
Generally, LHR lounges are operated as departure lounges, and I'm doubtful you'll get at-3 access for the sole purpose of lounge access. BAA has had these rules in effect for some time.