Originally Posted by Dorowilson

Can anyone advise please? How long before my flight departs am I allowed to go airside via First Wing security at T5? I want to guest in the First lounge my friend whose BA flight departs a couple of hours before mine so it would mean me being allowed airside at least four hours before my departure. I know the lounge has no limit for the day but I imagine that’s designed mainly for people in transit. Can I actually spend a few hours there if I need to after coming airside. I check in online anyway and rarely bag drop so check in limitations don’t matter to me usually.