A true rarity in Toronto's ultra-luxury market, 137 Teddington Park, Château Teddington, brings monumental French Neoclassical scale to a historic old-money enclave. Bridle Path caliber meets a Yonge St walkable lifestyle. Bordering Rosedale Golf Club, this expansive 90x187 ft estate offers appx. 10,772 sf of refined living with home automation, 6 bedrooms, 12 baths, 7-car subterranean parking, and a contemporary pool house. Designed by Opus Architects and Nazem & Rose, its full-cut limestone facade features a diamond slate roof and symmetrical arched fenestration, blending contemporary European sensibilities with theatrical Beaux-Arts luxury. Curated grounds feature a sweeping heated circular driveway with geometric motif lined with manicured hedges, a lush lawn, and double gates ready to install. An Opal White Marble foyer unveils a 30' cupola and grand Scarlett O'Hara staircase, complemented by12' ceilings, splendid chandeliers and sconces, formal wainscoting, ornate panelling and ceilings, brass inlays, exquisite marble surfaces, and chevron hardwood floors throughout. Bespoke kitchen boasts a waterfall Calacatta island, Gold-trimmed Parviz Cabinetry, full-height stone backsplash, luxury appliances centered on a La Cornue range and Miele units, a sunlit breakfast area with arched Palladian windows, and a fully equipped secondary Lux kosher kitchen. Executive office includes an ensuite powder room, illuminated built-in cabinetry, and leather-textured wall panels. Primary suite features dual walk-in boudoirs, a separate washroom, and a lavish 7-piece Dolomite marble ensuite. Lower entertainment level pampers with an indoor pool, water and fireplace features, gym, sauna, steam shower, wine cellar, movie theatre, and nanny's quarters. A St. Regis resort garden mimics a grand European estate with limestone terraces, a heated saltwater pool, hot tub, fire & water features, and a private pool house. A generational estate reserved for discerning connoisseurs.