Originally Posted by Tobias-UK

According to Australian Bussiness Traveller http://www.ausbt.com.au/british-airw...de-bar-concept

"... Like its flagship parent, access to a Concorde Bar will be restricted to British Airways' first class passengers and top-tier Executive Club frequent flyers holding a Concorde Room Card or the invitation-only black Premier card."

That makes sense given those same people are given access to the Concorde Dining Room at IAD.