Dun A Bhuilg (Loch Sween House), near Achnamara

Dun A Bhuilg was designed by Albert Reginald Powys (with John Eric Miers MacGregor) and was built in 1929. It is a 2-storey and attic, multi-gabled house in an Arts and Crafts style, combining traditional Scottish and contemporary building methods and materials. The house stands in an elevated position to the west of Kilmory Bay with panoramic views towards the mountains of Jura to the west. The rubble for the walls was quarried from the rocky outcrop directly behind the house. The house has stylised crowsteps and steeply pitched roofs with wallhead chimney stacks and mitred slates. The first floor windows are set close to the over-hanging eaves and the exterior walls are whitewashed.

In accordance with Section 1 (4A) of the Planning (Listed Buildings and Conservation Areas) (Scotland) Act 1997 the following are excluded from the listing: outbuilding to rear.

The principal (west) elevation has an entrance in the re-entrant angle of a full-height stair outshot. The outshot has a pair of small roundels (one glazed) to ground floor, two windows above and a monogramed date plaque in the gable. The wall to the left of the entrance steps has a faucet spouting water into a stone basin. There is a brass bell on the wall to the left of the door, and a cast concrete porch with crowsteps above. There is a further concrete porch above the door to the south gable end. The rear elevation has a broad gable at the first floor with a wallhead chimney stack. There are small windows in the gable stepping down to the right of this chimney stack.

The interior, seen in 2016, has exposed timber beams to the ground and first floor ceilings. The ground floor has quarry tile floors that slope to corner drains. The staircase steps are solid timber, spiralling around a central post with a rope handrail. The boiler/cloakroom area has a former coal store beneath with a circular coal-hole and a suspended drying rack for wet clothes. The sitting room fireplace has a flush pedimented lintel and is flanked by exposed brickwork. The interior doors are faced with single sheets of plywood. Storage cupboards and drawers are built into walls and attic eaves throughout the house. The kitchen retains bespoke timber dressers and a small glass-walled creamery with slate shelves and a chimney to extract warm air. The walk-in pantry has bespoke timber units and a serving hatch to the kitchen. The main bedrooms have timber window seats and timber coving. The attic bedrooms each retain four built-in timber bunk beds. An additional bathroom has been added on the first floor.

The large sitting room and stair outshot have multi-pane timber sash and case windows, some with 'Vita-Glass' panes. There are smaller multi-pane, crittal windows elsewhere. The roof is dark slate with tightly mitred joints at the valleys. The rainwater goods are predominantly of cast iron with some decorative rainwater hoppers.