Welcome to 355 Old Littleton Road! Set back from the road on 2.52 beautiful acres, this spacious four-bedroom Colonial offers an appealing combination of privacy, architectural character, and the charm of Harvard living! With approximately 2,990 square feet of living area, the home features a distinctive, versatile floor plan highlighted by wide-pine floors, exposed beams, three fireplaces, and wonderful spaces for everyday living and entertaining. A dramatic vaulted great room with soaring timber beams and expansive windows overlooks the surrounding grounds, while the country-style kitchen offers granite countertops, abundant cabinetry, and a Viking range. The flexible layout includes a first-floor bedroom, three additional bedrooms upstairs, and another room offering options for an office, hobbies, or guests. A welcoming fireplace room, screened porch, and walkout basement provide even more room to enjoy. Notable improvements include a newer roof, updated boiler and oil tank, a five-zone heating system, improvements to many of the windows, and a mini-split serving the great-room addition. Outside, mature trees, established landscaping, and generous lawn areas create a peaceful, picturesque setting with room to garden, gather, and enjoy the changing seasons. Complete with a two-car attached garage, this distinctive Harvard property offers substantial living space, timeless New England character, and a wonderful sense of privacy!