Experience unparalleled luxury & architectural masterpiece offering over 5,000 sq. ft. of meticulously finished space across three levels. This custom-built luxurious home is a rare blend of refined design, modern function, and exceptional craftsmanship & energy efficient, located just steps from the Rideau River. Featuring 5 bedrooms, 4 full bathrooms, a powder room, custom made circuital staircase, an Garaventa Elevator access to all 4 floors, & a 3-car garage with a hoist system, this estate offers space & convenience for upscale living. Inside, enjoy 10 ceilings, floor-to-ceiling European windows, hardwood and porcelain flooring, designer lighting (Bocci, Cattelan Italia, Arteriors), & four fireplaces including a stunning suspended outdoor Gyrofocus wood-burning centrepiece.The Downsview kitchen by Astro Design is a chefs dream with Thermador appliances, built-in coffee bar, and a fully equipped walk-in pantry that can be concealed. The luxurious primary suite features a spa-like ensuite, walk-in closet, gas fireplace, and drop-down ceiling TV.The fully finished basement includes radiant in-floor heating, a bedroom, office, gym, rec-space, wine room, and concrete cold storage cantina. Outside, the private landscaped yard includes a heated saltwater pool, 8-person hot tub with a motorized pergola, three covered patios, custom metal exterior staircase, and water views from the second-floor terrace.Additional features: Generac whole-home power system, custom fencing and gate with intercom, 6-camera app-controlled security, permeable Pure Pave driveway, irrigation system, and two full laundry rooms.This rare luxury home must be seen to be appreciated. Perfectly suited for multigenerational living, with smart accessibility features for effortless comfort.