Garden Buildings, Old Montrose

The Garden Buildings at the Walled Garden of Old Montrose date from the late 18th century. Located to the north of the house, the large square brick-walled garden features a semi-circular walled garden to the east, with the north wall partially demolished. In the northwest corner of the larger garden, there is a small cluster of buildings that includes Grieve's House, a single-storey brick building with a rectangular plan and a corrugated iron roof, which was formerly used as gasworks. There is also a 4-bay, 2-storey stable block with a central cart entrance that has a fine joggle-jointed lintel and a window with a re-used roll-moulded lintel. At the centre of both gardens are mono-pitch potting sheds. In the southwest corner of the larger garden, there is a square-plan, single-storey brick garden building (known as a bothy) with an octagonal stone stack at the apex of a pyramidal pavilion roof, although the roof is largely collapsed. The southeast corner features a similar 2-storey building known as the apple house.

The Gardener's Cottage, dating from the later 18th century, is situated to the southwest of the house. It has a rectangular plan and consists of a single storey with a basement, along with a small single-storey addition to the south. The front elevation has three bays with a central timber-boarded door. The cottage is constructed of brick, partly limewashed, with stone quoins and margins. It features a pyramidal pavilion roof with a central octagonal stone and brick stack at the apex, and mostly has 12-pane timber sash and case windows.