This exceptional estate showcases the versatility of a fully equipped walk-out ADU with a private entrance, full kitchen, dining area, accessible bath, and expansive open-concept living space. Ideal for multigenerational living, extended family, guests, a private home office, or potential income opportunities. Privately sited on 2.05 acres and one of only two residences on the cul-de-sac, the property offers over 4,000 square feet of thoughtfully designed living space. Newly refinished hardwood floors, a granite kitchen with walk-in pantry, an expansive great room above the garage, and multiple indoor and outdoor living spaces create a seamless blend of comfort and sophistication. Enjoy a three-season porch, screened lower porch, mature fruit trees, stone walkways, central air, generator hookup, and exceptional privacy. An exceptional offering in Gramercy Park, one of Londonderry’s most coveted neighborhoods, known for its estate-style homes, quiet cul-de-sacs, and picturesque setting.