Nestled on a quiet cul-de-sac in prime Thornhill, this exceptional Tudor-style residence sits on a rare pie-shaped lot widening to approximately 145 feet at the rear, offering a unique opportunity in the sought-after Bayview Glen community. Lovingly maintained by the same family for 47 years, this 5-bedroom home presents incredible potential to move in, update, or build your dream home on a premium lot. Offering nearly 4,500 Sq. Ft. above grade, the home features a grand foyer, sun-filled principal rooms, formal living and dining rooms, and a spacious family room ideal for everyday living and entertaining. The family-sized Downsview kitchen is equipped with granite countertops, centre island, and a bright breakfast area with walkout to the backyard. A main floor library provides an ideal home office or study, while the second-floor laundry room adds everyday convenience. The expansive primary suite offers his and hers walk-in closets and separate ensuite bathrooms, creating a private retreat. The finished lower level features a recreation room with wet bar, cedar sauna, in-ground whirlpool, and walk-up—ideal for entertaining or extended family living. The home also includes a built-in elevator, dual-zone heating and cooling, standby generator, and heated garage, reflecting pride of ownership and thoughtful long-term functionality. The private backyard is beautifully landscaped with mature trees, offering both ample green space and a Todd Pools concrete in-ground pool—perfect for relaxing, entertaining, and family enjoyment. Located just minutes to Bayview Glen Golf & Country Club and surrounded by prestigious homes, this is a rare opportunity to secure a premium property in an established and highly desirable neighbourhood. Ideal for growing or multigenerational families seeking space, flexibility, and long-term value, this home offers a compelling combination of comfort and potential. A rare offering combining location, land, scale, and long-term potential.