<|start_header_id|>assistant<|end_header_id|> Here is a summary of the property description in a single paragraph: Plas Penyglannau is a stunning and secluded country residence built with traditional stone and slate, situated near the village of Gellilydan in Eryri National Park. The property has been modernized and refurbished while retaining its original features, including a bright and airy sitting room with a part-vaulted ceiling and mezzanine. The property has three floors of accommodation, including a snug, dining room/kitchen, sitting room, sun room, utility area, home office/gym, and three double bedrooms with a family bathroom. The master suite is located on the second floor, with a dressing area and en-suite bathroom. The property also features a walled garden, outbuildings, and a landscaped garden with a sunken hot tub, sauna room, and composite decking. With its versatile accommodation, superb location, and outside space, Plas Penyglannau lends itself to a beautiful family home or could be used as a B&B.