The addition has a separate entry with stairs to the second-floor family room. Built-in cabinets and drawers under the stairs provide space for storage and house a sound system. Shiplap siding and a brick floor keep the space casual.
Bench (antique): Scott's Antique Market, 740/569-2800.
Hanging light at door ("Boston Double Downlight" #WS-SL5003CH/SLEG-WG): Circa Lighting, 877/762-2323, circalighting.com.
Hardware: Bouvet USA, 415/864-0273, bouvet.com.
Decorative wrought-iron stair railing: Charles Calhoun, Calhoun Design & Metalworks, 404/755-6155, calhounmetalworks.com.
Paint ("China White"): Benjamin Moore & Co., 888/236-6667, benjaminmoore.com.