<|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 in the beautiful village of Gellilydan within Eryri National Park. The property has been tastefully modernized and refurbished, retaining its original features, including a bright and airy sitting room with part vaulted ceiling and mezzanine. The property has a wealth of space, including a large dining room/kitchen, sun room, and three equal size double bedrooms on the first floor, with a further double bedroom and master suite on the second floor. The property also features a beautiful walled garden, which could be converted into additional accommodation, 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 utilized as a B&B.