The coffered domes would have been an astonishing feature to Parisians, Eriksen has observed. It leads to a room which has the form of a square with apsidal ends, intended as a dining room, where the inaugural dinner took place. Behind this room is an "enfilade" of three living rooms, the central "salon du Roi" flanked by salons that are each of a different plan, opening onto the view of the Seine below. Various services and the kitchen were established in the rusticated half-basement.