Ssuperb renovation on Mt. Vernon St, just above Louisburg Sq. Located in architecturally noteworthy building is this elegant one bedroom plus den/guest bedroom. No expense spared in this tasteful custom renovation including wood floors and custom molding. Entry hall with limestone flooring. Large sunny livingroom having two exposures with detail, gas f/p, high ceilings and French door to sunny private deck with built-in benches, planters and views of the Back Bay skyline. Cook's kitchen with top of the line appliances, granite counter tops, center island and great storage space. Master bedroom with walk-in closet; guest room or study with sliding walls for adaptability. Marble bath with tub and shower stall, two basins, stack washer/dryer in unit. Cent a/c, elevator building. Avail 9/1.