Historic Frank Furness-Designed Estate in Harrison Estates | Renovated and Expanded for Modern Living. Originally designed in the late 1800s by renowned Philadelphia architect Frank Furness, this one-of-a-kind property is what remains of the original Harrison Estatenow located in a walkable neighborhood of 40+ homes. While surrounded by newer construction, this stone property stands apart with architectural pedigree, expansive grounds, and a retreat-like lifestyle on 2.48 acres. The estate includes a main residence, carriage house, and stablestogether forming a private outdoor courtyard ideal for entertaining and relaxing. Extensive renovations between 2010 and 2025 blend the soul of the original architecture with updated systems, finishes, and amenities. The property offers remarkable versatility for gatherings, multigenerational living, and work-from-home flexibility. The newly installed front driveway and landscaping enhance its curb appeal. The main house has four bedrooms with five and a half baths. Inside original hardwood floors are preserved with Australian cypress added in the expansion. Oversized windows and tall ceilings throughout fill the home with natural light and garden views. The family room features a gas fireplace and connects to the eat-in gourmet kitchen with professional-grade appliances. The main floor also boasts an elegant dining room, living room, study, foyer, powder room, and mudroom. The 2-room primary suite contains vaulted ceilings and dual walk-in closets. Also on the second floor are 2 ample bedrooms, each with en suite bath and closets. The third floor includes a full suite with great room, kitchen hookups, and bathideal for children, guests, or an au pair. The finished basement contains a gym with full bath and a room ideal for wine storage. The separate carriage house, transformed between 20102013, includes a custom catering kitchen, full bath, three bedrooms, additional garage storage for many cars, and private entrances. A home theater with surround sound, Sonos system, wet bar, game areas, and stage with exceptional acoustics make it the ultimate series of spaces for hobbies, entertaining, and overnight guests. The L-shaped stables now house a primary four-car garage (EV setup expected June 2025), historically inspired stamped concrete floors in the undercrofts, potting shed, and stairs leading upstairs to an architectural masterpiece awaiting reimagining. Materials from the original structure have been carefully repurposed throughout. This estate is as livable as it is historica beautifully preserved Frank Furness home reimagined for contemporary life, offering space, comfort, and legacy in one of the Main Lines most desirable settings.