Properties of the week: Castles and crenellations

Gwynedd: Arthog Hall, Arthog, nr Dolgellau. An impressive castellated country house in an elevated position with commanding views over the Mawddach Estuary. Master suite, 5 further beds, 3 further baths, kitchen, 3 receps, cellar, office, sauna, 2 flats, 3-bed cottage, mature gardens, 4.67 acres. £750,000; Jackson-Stops & Staff (01244-328361).