The One - 113 Elgin Street, Thornhill

One of the finest estates in all of Canada.

Paradise takes form in The ONE—a modern marvel where architecture, innovation, and nature converge in spectacular fashion. This estate is more than a home; it’s a vision realized. Designed by the renowned David Small Architects and brought to life with interiors by the celebrated Coz Design Inc., The ONE redefines luxury living through a lens of serene sophistication and bold expression.

From the moment you arrive, The ONE reveals itself as a sculptural triumph—dramatic expanses of glass, panoramic windows, and seamless transitions between interior and exterior unfold like a living work of art. Crafted from natural limestone and supported by structural steel, the residence is wrapped in floor-to-ceiling glass that dissolves all boundaries between home and horizon.

Every room flows with intention, curated in a soft, neutral palette that echoes the tranquility of the surrounding landscape. Custom Italian millwork, Quarter-Sawn walnut veneer, and elegant stone detailing shape an atmosphere of quiet grandeur and contemporary warmth.

At the heart of the home lies the chef’s kitchen, a true culinary centerpiece featuring a granite waterfall-edge island, Miele appliances, Italian-imported Muti cabinetry, and a Bertazzoni range with double oven. A secondary prep kitchen and walk-through servery ensure seamless entertaining.

The owners’ suite is an escape within an escape—complete with a private terrace overlooking lush gardens and a saltwater pool, a spa-inspired ensuite, and a fully appointed dressing room. Three additional bedroom suites each boast their own breathtaking views and luxe finishes.

Smart home innovation is integrated throughout with iPad-controlled automation managing music, lighting, climate, and security with a tap. A private elevator services all three levels, and the home includes dedicated staff corridors for discreet movement and service.

The lower level invites indulgence—heated porcelain floors, insulated limestone walls, a private home theatre, glass wine cellar, nanny suite, and a fitness studio featuring a Himalayan salt-wall infrared sauna. An expansive entertainment lounge includes a beverage bar, dining area, steam fireplace, and walk-up to the outdoors.

Step outside into a private resort-like sanctuary. A covered outdoor living room with phantom screens, wood-burning fireplace, Bromic heaters, and a TEC grill awaits. The saltwater pool and hot tub are crowned by the home’s defining feature: a stunning infinity-edge pool that vanishes into the horizon, merging water and sky in a surreal optical masterpiece.

A year-round pool house offers a full kitchen, Malagutti pizza oven, Kalamazoo El Gaucho grill, and a secondary al fresco dining area, making this estate as suited to grand-scale entertaining as it is to peaceful retreat.

This is true cutting-edge architecture—visionary, bold, and entirely unforgettable.

The ONE is not just a home. It’s a once-in-a-lifetime experience—an estate that exists beyond compare, and beyond your dreams.

It is in close proximity to golf and country clubs, fine shops, and fine dining, as well as the country's best schools.

A world of Magnificence Awaits!