Welcome to 178 Comm. Ave. This beautifully bright, updated PH duplex, on one of Back Bay's most iconic streets, offers 2 bds 2 baths, a bonus loft, almost 1300 sq ft of interior living space and a 400 sq ft private roof deck. Included is one parking spot with the potential for a 2nd spot! Walk into an open concept main floor with ceilings over 14ft high and tons of natural light, fireplace, updated kitchen with new quartz countertop and mirrored backsplash, custom built-in bookcase/credenza in the living room, beautiful custom wardrobe & storage closet in the primary bedroom ensuite with 2nd fireplace, round out the 1st floor. Step up the open staircase to the 2nd floor where you'll find a bonus loft area that's perfect for an office, den or overnight guest with a built in bed and storage. The 2nd bedroom ensuite has ample storage. Enjoy in unit laundry and a/c throughout the unit. Lastly, step up to your private roof deck with over 400 sq ft of additional entertaining space.