Millhill House, Longforgan

Millhill House in Longforgan is a later 19th-century villa that incorporates earlier elements. This two-storey, irregularly planned building features gabled roofs, harled walls with painted margins and angles, and a slate roof. It has a base course, margined windows, and stop-chamfered detailing at the projecting window on the south side. The windows include 4-pane and plate glass glazing, with a single security bar on the first-floor windows. The house also has bracketed eaves, moulded bargeboards, and corniced and linked ashlar stacks, alongside rendered and lined stacks with uniform cans.

On the west elevation, there is a gable to the right with a panelled door featuring a chamfered doorcase, a bipartite window to the left, and two first-floor windows, along with a small window in the roof space. A bay to the left has a bipartite window at ground level and a window above with a gabled dormer head. The south elevation has a slightly advanced gable at the centre, featuring a tripartite projecting window at ground level with sidelights, two first-floor windows, and a small window in the roof space. There are recessed bays to the left and right, with a ground-floor window in the left bay and a bipartite window in the right bay, along with a first-floor window that has a gabled dormer head.

The east elevation shows paired gables to the left, with four windows and French doors at ground level, four first-floor windows, and a further small window to the right. There is a lower, earlier gable slightly advanced to the right, which has a window on both the ground and first floors to the left. The north elevation features an irregular layout with a lower block advanced to the left, various windows, and a piended roof. The right gable includes a lean-to and an octagonal pantry, connected to a single-storey office wing that leads to the outbuildings.

Inside, the house boasts a fine pitch pine well staircase with barley sugar pilasters, original chimneypieces, doors, and shutters, along with some moulded and decorative cornices. The drawing room features a compartmentalised ceiling, and there is a range of nine spring bells.

Additionally, there is a single-storey, irregular U-plan block consisting of a rubble-built, slate-roofed cottage and various outbuildings extending from the northwest angle of the house.