1 Parkmount, Belsize Road, Lisburn, County Antrim, BT27 4AN

1 Parkmount is a three-storey Victorian end-of-terrace townhouse built around 1900, situated on the perimeter of Wallace Park in Lisburn, surrounded by mature trees and open green space. The building forms part of a small group of four terraced houses of notably higher quality and proportion than most Victorian terraces of the period. As a group, these buildings have significant group value and contribute importantly to their setting.

The main building has a square plan form with a large two-storey rectangular rear return. The principal south-facing elevation is asymmetrically arranged. The front door, positioned off-centre to the right, is accessed by two stone steps and is a timber door with four bolection moulded, raised-and-pointed panels and a rectangular fixed light over, flanked by plain pilasters and decorated at cornice level with egg-and-dart moulding rising to large foliated console brackets. The door is flanked by two windows: to the right, a large timber-framed stained glass leaded light, and to the left, a sash window. The upper floors have two equally spaced windows. On the far left is a distinctive two-storey shallow-pitched lead-covered box bay, projecting from the corner at a 45-degree angle, with a single window to either side and paired windows to the front.

The external fabric is constructed of red-brick in Flemish bond with a projecting brick plinth, changing to English Garden Wall bond to the rear return. The windows throughout are single-glazed timber 1/1 sliding sash with horns, painted white, with large rectangular sandstone cills. Window openings are topped with 1½-brick flat arches and brick keyblocks with moulded cornice detail. The first-floor windows on the principal elevation have projected brick detailing under the cill. The second-floor windows are embedded into the large cornice detail at eaves level. The left elevation is asymmetrically arranged, matching the detailing of the principal elevation, with a large projecting bay on the right-hand side and uniformly arranged windows to the left serving all levels. The rear elevation is asymmetrically arranged with the large hipped two-storey return projecting northwards and uniformly arranged windows with reduced detailing on the right. A single-storey modern hipped projecting bay is located right of centre on the return, constructed using sympathetic materials. The rear door is positioned to the left of the bay.

The roof is natural slate with hipped ends and leaded hips, with crested clay ridge tiles. A large red-brick chimney stack is located over the ridge line with six large clay pots. The rear chimney, which also serves the adjoining property, is located to the left over the ridge line and has had alterations to its upper brick courses. Large stucco cavetto cornices at eaves level, painted white, run along the front and side elevations. Cast-iron ogee-moulded gutters run to the front and side elevations, with semi-circular cast-iron guttering to the rear. Large-section box cast-iron downpipes are positioned on the front elevation. A metal-framed roof light serves a light-well over the first-floor hallway, and a further single-storey lean-to extension projects northwards with a modern conservation-style roof light.

The interior of the building has been largely unaltered, retaining much of its original plan form and existing plaster and joinery work, which adds to its special interest. Minor alterations have been carried out sympathetically.

The setting comprises the building's position directly overlooking the large mature trees and open green space of adjacent Wallace Park and Lisburn cricket ground. The gardens are well matured and encompass the building on three sides. To the east lies the remaining terrace block of matching style and quality. The right elevation abuts the adjoining building, 2 Parkmount.

Associated with the property is a two-storey former stable to the rear, constructed in red brick with a pitched natural slate roof and painted timber soffits, with some cast-metal rainwater goods. The south gable of the stable features two 2/2 timber single-glazed sliding sash windows. Original yard walling exists at ground level, with an original yard gate serving as the door to a small modern garage extension. A twentieth-century single-glazed metal window is located at first-floor level on the east elevation. A small single-storey lean-to extension is positioned on the west elevation. The foundations of the original greenhouse, located to the south of the stable, are now covered by a raised flower bed. Tarmac vehicular access runs to the rear of the house, with modern dwellings erected beyond.

Parkmount Terrace first appears on the third edition Ordnance Survey maps of 1901-02, illustrated as a simple oblong row with no apparent returns, suggesting the terrace was either only partially complete or still under construction at the time of map publication, as the completed terrace includes rear returns and a stable block. The Annual Revisions of 1901-11 record all buildings as vacant in 1902, indicating they were either newly completed or nearly complete. The landlord was Hugh G Larmor, who also occupied Montreagh, a larger earlier house on the same plot, suggesting the terrace was developed to the rear of his own residence. Number 1, which included a stable, yard, and small garden, was valued at £37 in 1902 but remained unoccupied until 1908 when John Larmour, a possible relative of Hugh, became the occupier. He remained there until 1912 when James Carson took the tenancy, at which point the property value was reduced to £34. Reverend George W Thompson became tenant in 1918 and remained for at least fifteen years, during which period the property value had increased to £36.