As a rule of thumb, you are allowed 1 piece of luggage in economy and 2 pieces of luggage in premium economy and business class (either long or short-haul). Passengers in First class (only available on long haul flights, are allowed 3 pieces per person. If you are a Gold British Airways Executive Club member, you are allowed an extra piece of luggage despite what class you are flying in (with the exception of HBO fares, or 'hand baggage only fares'). Luggage for Gold British Airways Executive Club members can weight up to 32kg (not 23kg) on all BA operated flights, no exceptions.