create a new rendering keep proportions the same and dont change any walls openings or windows or stairs add two kagan curved sofa 9948 in boucle opposite each other one against the stair and the other opposite of it add a wall below the stairs add a decorative wrought iron rail on top of the stairs put wide plank white oak flooring continue the wrought iron railing on the 2nd floor to the right of the image add a coffee table between the sofas use a kagan upsilon style table keep the stairs in the orientation as shown