Designed by famed architects Lamb & Rich, who were best known for their ingenious variations on late 19th century urban mansions, this landmarked, five-story townhouse has breathtaking scale and style. Each floor of this single-family home is configured around a grand central staircase, guaranteeing all the main spaces from living room to bedrooms can take full advantage of the generous 20-foot width. Featuring beautifully restored quarter-sawn golden oak woodwork, distinctive curved pocket doors, and ornate plaster rosettes decorating the foyer ceiling, the entertaining floors are a townhouse aficionado s dream. Additionally, since the townhouse is situated on the avenue, it boasts both East and West exposures, allowing gorgeous sunlight to pour in through oversized windows from sunrise to sunset. Other highlights include six working fireplaces, French doors, a separate guest suite with its own street entrance, and a west-facing garden that opens to a lovely lane of surrounding low townhouses, shady trees, and sky.Parlour Level:This parlour floor is striking for its soaring ceilings, sun-drenched rooms, and flawless restoration of original details. The grand entrance hall showcases wood wainscoting, parquet floors, the central staircase, one of two original fireplaces on the floor, and a set of unique curved pocket doors. The parlour front hosts a gracious eat-in kitchen with copious cabinets, Corian countertops, a large island, pantry, and modern appliances including a wine cooler. On the west side of the grand hall is a formal living room with more graceful woodwork, oversized picture windows, and another fireplace. A separate powder room and mudroom with access to the garden complete the floor.Third Floor:The third floor is just as impressive in scale as the parlour. A vestibule at the top of the stairs is flanked by cheery French doors that lead either to a rear family room complete with antique fireplace and wet bar, or to an alcove library that lies between the vestibule and formal front dining room. The front dining room boasts an expansive bay window that overlooks the West End thoroughfare, and also includes a working fireplace as well as original custom-made wooden blinds that nest inside the windowsill.Fourth Floor:The fourth floor contains a generous rear master suite as well as a separate front bedroom and full bath. The master bedroom is open and bright with huge windows that overlook the garden. It also contains a working fireplace with original mantelpiece and marble hearth, and walk-in closets. The luxurious master bathroom features a double vanity, Jacuzzi tub, and separate shower stall. The front bedroom has a glorious bay window, walk-in closet, and private full bathroom.Fifth Floor:Ascend the stairs to the top floor to bask in the sunlight flooding in from two enormous skylights. Hosting three bedrooms, two full bathrooms, laundry room, cedar closet, and a centralized open area for a playroom or den, this floor also boasts amazing city and garden views. Garden Level: This floor contains a wonderful suite of rooms ideal for guests or kids home from college. A private front vestibule under the stoop leads to an inviting living room that gets plenty of natural light and has a decorative fireplace as well as a Murphy bed. At the center of the floor there is a spacious dining area, walk-in closet, full bathroom, and a staircase leading up to the parlour floor. The rear of the suite hosts a comfortable bedroom and sizeable kitchen with garden access.Cellar Level:This partially finished basement is an exceptional space because of the half-height windows that look out on the rear garden. It is spacious and accommodates a recreation room, home gym, storage, and separate, well-maintained mechanicals.