Welcome to 3345 Tennyson St. NW, a beautifully expanded and thoughtfully updated Tudor Revival situated on one of the most desirable blocks in Chevy Chase, DC. This charming residence blends classic curb appeal with modern amenities and boasts an exceptional backyard perfect for entertaining and relaxing. Inside, the main level features a welcoming entry vestibule that sets the tone for the home's character. The elegant formal living room offers southern exposure, custom built-ins, and a cozy wood-burning fireplace. A separate dining room provides the ideal space for gatherings, while a sunlit den with windows on three sides and built-ins adds versatility. The fully renovated kitchen includes a butcher block island, stainless steel appliances, and custom cabinetry. An airy family roomdesigned by Muse Architectsfeatures skylights, custom millwork, a second wood-burning fireplace, a casual dining area, and a wall of windows overlooking the backyard. Step outside to a brand-new Accoya wood deck with custom railings, designed by Krista Minotti Schauer, and a beautifully landscaped garden with mature plantings and heritage trees. A powder room and coat closet complete the main level. The upper sleeping levels offers a stunning third-floor primary suite with two walk-in closets and a luxurious spa-like bath, complete with a soaking tub, spacious vanity, and walk-in shower. A second bedroom features a renovated en-suite bath and cedar closet, while two additional bedrooms and an office or nurseryconnected to the primary suiteoffer flexibility. A renovated hall bath, linen closet, and a separate heat pump system for the primary suite ensure comfort and convenience. The lower level includes a recreation room, full bathroom, dedicated laundry room and generous storage. Additional highlights include an attached one-car garage, attached garden shed, radiator heat with central air conditioning, hardwood floors throughout, a new roof (2022), new boiler and hot water heater (2020), a whole-house Halo water filter (2023), and a newly relined original chimney. Located just four blocks from Lafayette Park, School, and Recreation Centerwith over 12 acres of open space and playgroundsthis home also offers proximity to Broad Branch Market, DC Health Coaches, a year-round farmers market, Rock Creek Park, and a bus line with direct access to the Friendship Heights Metro. Enjoy the vibrant local scene with popular restaurants, shops, and services just a short walk away on Connecticut Avenue. Families will appreciate access to top public schools like Lafayette Elementary, Deal Middle, and Jackson-Reed High, as well as nearby private and nursery school options.