Welcome to 103 Longwater Chase, a meticulously maintained detached home offering an exceptional opportunity in one of Unionville's most sought-after neighbourhoods. Set on an impressive approximately 49 x 120 ft lot, this spacious 2-storey home offers approximately 2,700 sq. ft. above grade plus a finished basement, providing plenty of room for growing families, renovators, contractors, or buyers looking for the perfect blank canvas to create their dream home. Step inside to a grand open-to-above foyer highlighted by a sweeping curved staircase, generous principal rooms, a sunken living room, formal dining room, large kitchen with breakfast area, and a spacious family room with fireplace. Upstairs features well-proportioned bedrooms and an oversized primary retreat with walk-in closet and 5-piece ensuite. The finished basement adds even more versatility with two bedrooms, a bathroom, dry sauna, workshop and ample recreation space. Outside, discover a private backyard garden oasis with a huge sundeck, charming balcony ideal for morning coffee, and the rare convenience of three separate walkouts to the yard. Additional highlights include main-floor laundry, direct access to the attached double garage and parking for four vehicles. Ideally located in prime Unionville near highly ranked schools, Main Street Unionville, Markville Mall, Highway 7 amenities, and quick access to Highways 404 and 407. A rare opportunity to renovate, personalize and create something truly special in an established neighbourhood.