A rare offering awaits at 12 Chalous Lane in Villanova, a beautifully refined residence in the prestigious Trianon community walking distance to Agnes Irwin. This four bedroom, five-and-a-half-bathroom home offers 5,389 square feet of sophisticated living within the acclaimed Radnor School District. Built in 2002 by Leon Kazanjian and professionally decorated with luxurious designer wallpapers, the home showcases red oak floors, crown molding, silent floor joists, and timeless architectural details throughout. The main level features a private study with a beveled glass door and soft recessed lighting, a formal living room anchored by a gas burning fireplace with a marble surround, and an inviting family room enhanced by a wood burning fireplace. The breakfast room opens to the rear bluestone patio and yard through sliding doors, creating a seamless connection to outdoor living. The kitchen blends elegance with functionality, offering 42-inch wood cabinetry with crown accents, GE Profile stainless steel double ovens, Corian counters, a newer Viking stainless microwave, newer GE Stainless dishwasher, and a four burner Wolf cooktop. The formal dining room, enriched with crown molding, chair rail, and red oak floors, adds a classic touch to the main level. A charming powder room with red oak floors and a pedestal sink completes the first floor. The second floor features a generous sitting area leading to four well-appointed bedrooms, each with its own ensuite private bathroom. The primary suite is a serene retreat with double glass doors leading to a private sitting room, beautiful designer wallpaper, a dressing vanity, a large walk-in closet, and a soothing bathroom with a jacuzzi tub and separate shower. A second walk in closet and a laundry room with sink complete this level. The finished walkout basement, with full bathroom, recessed lighting, and a utility sink, offers versatile space for recreation, hobbies, fitness, or guest quarters. The glass door provides direct access to the backyard. Additional highlights include two Elite Series Lennox high efficiency gas heaters, gas hot water, and an oversized two car garage. Set on a professionally landscaped lot, the home is ideally positioned within walking distance to Villanova University, downtown Bryn Mawr, the Bryn Mawr Farmers Market, and the Bryn Mawr Film Institute. Enjoy some of the finest restaurants just minutes away, along with effortless access to major roadways, Center City Philadelphia, Bryn Mawr Hospital, Penn Medicine Radnor, and the Paoli Thorndale regional rail line as well as the High-Speed Line. ***Don't miss our exclusive website for this home, featuring a 3D Matterport tour, Virtual Reality Walkthrough, detailed floor plan, professional photography, aerial drone neighborhood footage. Note: Some photos have been digitally enhanced.***