Mainhill, 43 Bridgend, Duns

Mainhill, located at 43 Bridgend in Duns, is a 2-storey and attic, 3-bay T-plan villa built in 1866. The exterior features squared, snecked, and stugged cream ashlar with polished dressings and chamfered arrises.

The south elevation is symmetrical, with a projecting gabled center bay that includes a deep-set panelled door topped by a rectangular plate glass fanlight. This section is adorned with a cornice featuring scrolled strapwork brackets and a blocking course. The blank returns have a corbel course at the first floor, and there are windows at both the first floor and gablehead. A ball finial crowns the gable. The flanking bays each have a projecting bipartite window with a cornice and blocking course at the ground floor, with a window above. The left bay features a segmental-headed bipartite timber dormer.

On the west elevation, there is an advanced gabled bay to the right with a sunken basement window, a first-floor window to the left, and a narrow window in the gablehead, along with a shouldered apex stack. A later rendered lean-to porch is situated in the re-entrant angle, featuring a bipartite window and a narrow window above, with additional windows on both floors to the left. An elaborate tripartite timber dormer is present, showcasing stop-chamfered arrises, moulded eaves, and a swept piended roof covered with fishscale tiles. Decorative buckle-quoin flashing and an exotic wrought-iron weathervane finial enhance this elevation. There is also a further later lean-to to the left.

The north elevation features a broad gable at the center with a later casement window to the left at ground level and a lean-to to the right with a window; there is also a window in the gablehead and an apex stack. A bay set back to the right includes a door and window leading to a lean-to porch at ground level.

On the east elevation, an advanced gabled bay to the left has windows to the right at both ground and first floors, along with a window in the gablehead and a shouldered apex stack. The bay to the right has windows on both floors. The villa features 4-pane timber sash and case windows, with 8-pane windows in the gableheads. The roof has ashlar coped skews, corbel skwputts, grey slates, and corniced ashlar and brick apex stacks with octagonal cans.

The boundary wall consists of a truncated tall semicircular-coped ashlar wall along the road, with battered square gatepiers that have bases and coved caps. There is also a rubble boundary wall.