Welcome to this extensively upgraded residence nestled on a premium lot backing onto greenspace in coveted Upper Thornhill Estates. Offering an exceptional & thoughtfully designed layout, this home features 10 foot ceilings on the main floor & 9 foot ceilings on the second level, complemented by elegant crown mouldings, hand scraped hardwood floors, pot lights, smooth ceilings & refined finishes throughout. The impressive foyer creates an immediate sense of grandeur with extensive custom wall trim & soaring 20 foot open to above ceilings, filling the space with natural light. Designed for everyday living & entertaining, the home boasts a formal dining room with tray ceilings & a private main floor office, appointed with a double sided fireplace & French doors. The gourmet kitchen, equipped with a walk-in pantry & servery, high-end Thermador appliances & large centre island, flows effortlessly into the oversized family room & breakfast area which steps directly onto the covered loggia, creating a sun filled space ideal for enjoying the private south facing backyard. The primary bedroom retreat offers a serene escape with access to a covered balcony, double walk-in closets with built-ins & a luxurious 5-piece ensuite with a spa-like shower, freestanding tub & double sink vanity with marble counters. The three additional bedrooms each feature a private ensuite bathroom & walk-in closets, providing comfort & privacy. A functional mudroom with a separate entrance & service staircase leads directly to the finished basement, expanding the living space with 9 foot ceilings, oversized lookout windows, a 3 piece bathroom with a sauna, & a rough-in for a kitchen. Completing this outstanding home is a private backyard, perfect for entertaining or relaxation. Ideally situated in a top rated school district St. Theresa of Lisieux, scenic parks & trails, golf courses, shopping, highways and transit, all within close proximity to Vaughan's most desirable community.