A true rarity in Toronto's ultra-luxury market. Bridle Path caliber meets Yonge St walkable lifestyle. 137 Teddington Park Ave, Château Teddington, introduces monumental French Neoclassical scale to a historic old-money enclave. Near Rosedale Golf Club, Granite Club, and top schools, this grand 90x187 ft estate showcases illuminated grounds, bespoke geometric stonework, heated circular driveway, indoor and outdoor pools, and a modern pool house. Designed by acclaimed Opus Architects and Nazem & Rosen, appx 10,772 sf of curated interior features 6 bedroom suites, 12 baths, a Savaria elevator, and 7-car subterranean parking. Magnificent limestone facades accentuated by diamond slate roof and symmetrical arched fenestration, blending contemporary European style with theatrical Beaux-Arts luxury. An Opal White Marble foyer unveils a 30' cupola and Scarlett O'Hara staircase. Soaring 12' ceilings, formal wainscoting, ornate ceilings, splendid chandeliers & sconces, artisanal walls, exquisite marbles, brass inlays, chevron hardwood and floor heating throughout. Bespoke Parviz Kitchen boasts a waterfall Calacatta island, gold-trimmed cabinetry, full-height stone backsplash, upscale 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 presents ensuite powder room and leather-textured walls. Primary suite showcases dual walk-in boudoirs, dual washrooms incl lavish Dolomite ensuite. Lower entertainment level offers an indoor pool, sauna with steam spa, wet bar with wine cellar, gym with walkout, movie theatre, and nanny's quarter. Advanced home automation and comprehensive mechanicals incl 3 AC & 3 furnaces. Enveloped by secluded foliage and a private pool house, the St. Regis style garden reveals generous all-season stone terraces, lush turf, a heated pool, hot tub, fire and water features. A generational legacy reserved for discerning connoisseurs.