Originally Posted by BA97.com
Certainly in T1 there's a difference between the snack food available to all (eg. cheese platter, soup, bacon baugettes) and the sit-down dining for which you need an invitation issued at check-in to First passengers.
Good point, I was only thinking of T4. Still haven't quite got my head around loung haul flights going from T1. It's only been 18 months though.