Islandderry House, near 170 Lurgan Road, Islandderry, Dromore, County Down, BT25 1HL, *** See general comments

Islandderry House is a large two-storey gentleman's country residence over a basement, dating to around 1800, now derelict and roofless. The property stands on a rise to the north of Lurgan Road, approximately 3.5 kilometres north-west of Dromore, approached via a long curving drive.

The front elevation faces roughly south and is symmetrical. At the centre of the ground floor is the main entrance, consisting of a flat-arched doorway with stone pilaster jambs and a semicircular fanlight with moulded stone archivolt. The fanlight retains the dilapidated remains of spoked tracery. The entrance is reached via a weathered flight of splayed stone steps with dilapidated wrought-iron handrails. To the left of the entrance are two flat-headed windows with the remains of timber sash frames (one over one) and stone sills. Two similar windows flank the right side of the entrance, with five more on the first floor, shorter in proportion. At basement level, two windows sit to the left of the entrance steps and one to the right, each protected by security bars.

The west elevation has a doorway at basement level just left of centre, now without a door, with a flat-headed window to its left (frame missing) and another similar window to its right with a dilapidated mid-20th century metal casement frame. At an intermediate level directly above the latter window is a slightly smaller window with a metal frame of similar date and condition. On the uppermost floor, two windows of equal size sit left of centre: the left with a mid-20th century metal frame and the right with a badly dilapidated timber sash frame (3/3). An extension or projection was once attached to the right side of the west elevation; its outline and what appears to have been a doorway from the main building remain visible. On the left (south) edge of the west elevation, a tall wall of rubble construction abuts the building.

The east elevation has a narrow flat-headed window at basement level left of centre (frame missing) and a smaller window to its right, also minus its frame. Directly above these, on the ground floor, is a pair of much taller windows with remains of timber sash frames (each 2/2). In line above these are two smaller windows with equally dilapidated timber sash frames, the left probably originally 2/2 and the right (smaller) 3/3. Two large rendered chimneystack flush with the east facade.

The rear elevation contains five large evenly spaced windows on the ground floor with five much smaller windows directly above on the first floor. All retain remains of timber sash frames, those on the ground floor a mixture of 1/1, 2/2 and 6/6 configurations, those on the first floor 3/3. All basement level windows appear to have been blocked. Two large rendered chimneystack are flush with the west facade.

The façade is finished in unpainted roughcast with a moulded eaves course and projecting base course. The hipped roof has largely collapsed, with only small remains of timber structure visible on the east and west sides. Some cast iron rainwater goods remain, including downspouts to the east, west and south.

At the road entrance stands a symmetrical gatescreen comprising a central vehicular gate and flanking pedestrian gates. The gate piers are square stone, 1500 millimetres high, with shallow pyramidal caps and an incised panel on the outer side. The gates themselves are unusual round section six-bar designs with curved cross bracing. Curved wings complete the screen, comprising replacement vertical railings set on a stone plinth with two further stone piers matching the main gate piers.