Welcome to 2006 Union Hill Road, an extraordinary custom-built estate offering over 8, 800 sq ft of living space on 10.9 breathtaking acres in sought-after Charlestown Township, part of the French & Pickering Creeks Conservation Trust. Every detail of this 5 Bedroom, 6.3 Bath residence has been thoughtfully designed, blending timeless craftsmanship with luxurious modern amenities. Grand stone entry pillars lead to a private circular drive surrounded by stunning professional landscaping, uplighting, copper gutters, a DuraSlate roof and spectacular outdoor living. Inside, the home showcases hickory hardwoods, 10' ceilings on the main level and extensive millwork including 8-piece crown molding and custom built-ins throughout. The 2-story Foyer opens to elegant formal spaces including a Living Room with woodburning fireplace and a richly appointed cherry-paneled Study. The step-down Family Room features 11' ceilings, coffered detailing, French doors, and a 2-sided gas fireplace shared with the stunning Kitchen Fireside Den. The gourmet Kitchen features custom cherry cabinetry, Thermador appliances, double islands (one with attached cherry table), walk-in Pantry, Butler's Pantry, and a dramatic 2-story Breakfast Room. A large Mudroom, Grill Room with beverage center, Family Powder Room, and oversized 3.5-car garage complete the main level. Upstairs, the luxurious Primary Suite includes a Sitting Room, 2-sided gas fireplace, custom designer closet with island, and spa-like Bath with soaking tub, oversized shower, and two linen closets. All additional Bedrooms are ensuite, including a spacious 5th Bedroom/Suite with Sitting Room. A Loft and Laundry Room add convenience. The Third Floor offers both finished and unfinished flexible space and whole-house fan. The daylight walkout Lower Level is designed for recreation and relaxation, featuring a Gym, Media Area, stone fireplace, full Bar, Game Area with pool table, and Half Bath, plus abundant storage. Outside, an exceptional resort-style oasis awaitsan Infinity Edge Pool and Spa overlooking sweeping countryside views, a Bluestone Terrace with stone fireplace and pergola, planter speakers, and two gas grill hookups. The spacious Pool House includes a vaulted Living Area, full Bar with stainless appliances, full Bath, storage room, and its own heating/AC system. Additional highlights include: elevator to all four levels, whole-house generator, central vacuum, radiant heat, new boiler and furnace (2026), holiday lighting outlets with window candles, freshly painted interior millwork, and an interior speaker system. A rare opportunity to own a privately sited, impeccably maintained estate offering exceptional craftsmanship, modern convenience, and unmatched outdoor living in the award-winning Great Valley School District. Also conveniently located to the area's finest private schools, Great Valley Corporate Center, PA Turnpike and the 202 corridor to KOP and Center City Philadelphia, Paoli Train Station and minutes from the shopping and restaurants of Malvern, Phoenixville and the beautiful Philadelphia Main Line.