Nestled in the elite Upper Thornhill Estates in a premium RAVINE view lot, this elegant Gem in gated ENCLAVE ignites your senses with breathtaking open-concept design 19FT extra high ceiling in 1st floor library, 10FT ceilings on main & 2nd floors + 9FT in the finished basement! Premium custom upgra...des dazzle with maximized functionality: extra-enlarged windows throughout the house; fully customized luxury kitchen with massive centre island, high-end oversized Sub-Zero, Wolf appliances, extra-large pantry storage; hardwood floor and potlights throughout; elegant coffered ceilings; premium customized accent walls; stunning luxury chandeliers & exquisite French mouldings throughout! Every bedroom features walk-in closets with customized built-in organizers + ensuite bathrooms including a lavish oversized master closet! Dual furnaces ensure year-round comfort. Sophisticated CURB APPEAL with fully interlocked front& backyard! Unwind in your bright, warm WEST-FACING oasis backyard which back onto serene Maple Reserve Trail forest, scenic ravine views, custom gazebo, & professional landscaped paradise! Close to Top private and public school, easy commute to everywhere in GTA by being close to 2 Go Train Stations (Rutherford and Maple GO), 140 Lady Jessica Drive is truly priceless luxury in Patterson's crown jewel - YOUR DREAM HOME awaits!