147 Old Dundee RD Barrington Hills, IL 60010

An extraordinary private oasis nestled on more than 5 acres in prestigious Barrington Hills, where sweeping lawns, mature trees, and resort-inspired amenities create a retreat unlike any other. This exceptional light-filled ranch home is perfectly positioned on a breathtaking 5.1+ acre setting, offering privacy, tranquility, and picturesque views from nearly every room. Thoughtfully designed for both everyday living and entertaining, the open-concept floor plan is enhanced by oversized windows that bring the beauty of the outdoors in. The inviting family room features a soaring vaulted and beamed ceiling, skylights, and a striking fireplace, creating a warm and welcoming gathering space. At the heart of the home, the sun-drenched gourmet kitchen is a chef's dream, showcasing custom cabinetry, newer top-of-the-line appliances, and seamless flow into the elegant dining room highlighted by custom lighting and beautifully refinished hardwood floor inlay. The luxurious primary suite has been extensively reimagined to create a serene retreat. In 2026, the sliding glass door was replaced with a large picture window, allowing even more natural light while framing the stunning landscape. The spa-inspired primary bath was completely renovated in 2025 and features a standalone soaking tub, heated floors, marble and quartz finishes, a crystal chandelier, high-end Kohler and Delta fixtures, and all-new plumbing and electrical. The thoughtfully redesigned custom walk-in closet offers built-in organization and recessed lighting. Two spacious secondary bedrooms feature refinished hardwood floors, custom closet systems, window seat cushions, and fresh paint. A beautifully updated hall bath completes the main level. The finished lower level offers incredible flexibility with expansive recreation and media rooms, a wet bar, wine cellar, fourth bedroom, full bath, and laundry room. A standout feature is the resort-inspired wellness retreat, designed to bring the luxury of a private spa into your own home. Completed in 2024, this custom sauna suite includes a sauna, relaxation lounge, private shower, and mini refrigerator, creating a true spa-like escape. Step outside to experience a truly remarkable outdoor oasis. Endless summer days await by the in-ground pool, enhanced by a new pump and filter installed in 2024, while evenings are best spent gathered around the outdoor fireplace. The outdoor kitchen with built-in grill and smoker makes entertaining effortless, and the pergola provides an idyllic setting for al fresco dining. Additional improvements include fenced garden beds, decorative river rock landscaping, a newly reseeded lawn area, and a recently resealed driveway completed in 2026. A brick walkway leads to the renovated 3,000-square-foot pole barn featuring an adorable one-bedroom guest house with kitchenette, full bath, office, and exercise room. The adjoining flex space is extraordinary, boasting oversized garage doors, radiant-heated epoxy flooring, and room for up to 12 vehicles, making it ideal for car enthusiasts, collectors, or hobbyists. A separate three-stall barn provides even more possibilities. Extensively improved throughout, the property also features fully rewired and meticulously labeled electrical panels (2024), generator wiring and complete electrical setup, an upgraded gas meter (2024), a new reverse osmosis system (2026), and a new garage door spring (2025). Every detail has been thoughtfully considered to enhance comfort, functionality, and peace of mind. Combining luxurious updates, incredible versatility, and a peaceful natural setting, this one-of-a-kind Barrington Hills estate offers refined country living at its finest. Quiet, beautiful, and endlessly inviting, this is a truly special property you won't want to miss.