Garage, Gamekeeper's Cottage, Marchmont House

Gamekeeper's Cottage at Marchmont House dates from around 1855 and has later additions. It is a single-storey cottage with an attic, featuring three bays and a gabled wing at the rear that forms a near L-plan. There is a later flat-roofed porch in the rear re-entrant angle. The building is constructed of squared and snecked tooled cream sandstone with droved sandstone dressings, while the rear wing is harled. The eaves are overhanging and bracketed, with droved quoins and droved long and short surrounds to the chamfered openings. The cottage has sandstone mullions for the bipartite windows and projecting cills. To the northeast, there is a single-storey rectangular-plan kennel block linked by a later garage.

On the southeast (entrance) elevation, there is a step leading to a two-leaf boarded timber door at the center, topped by a 2-pane fanlight. Bracketed sandstone pentice canopies are above the ground floor bipartite windows on the left and right, with small gabled bipartite windows breaking the eaves above. The northwest (rear) elevation features a gabled wing projecting to the right, with a single window at ground level offset to the left of center. The flat-roofed porch is slightly recessed to the left, with a single window in the bay recessed to the outer left.

The windows have lying-pane glazing in timber casements, and the roof is covered with grey slate, complemented by cast-iron rainwater goods. The apex stacks are corniced and harled, with circular cans.

The kennel block is single-storey, with a three-bay front and a five-bay rear. It is built of squared and tooled sandstone rubble with droved sandstone dressings, droved quoins, and droved long and short surrounds to the openings, along with projecting cills and small-pane fanlights throughout. The southeast (entrance) elevation has a door opening offset to the left of center, with two further door openings in the remaining bays to the right. There are plain iron railings enclosing and segregating the exercise area at the front. The northwest (rear) elevation features a boarded timber door at the center, a part-ventilated window in the bay to the left, and another boarded timber door in the outer left bay. There is also a boarded timber door offset to the right of center and a single window in the outer right bay. The timber windows have some missing glazing, and there are small rooflights. The kennel block has a grey slate piended roof and iron rainwater goods, with a corniced and harled central ridge stack featuring paired square flues. The interior of both the cottage and the kennel block was not seen in 1998.