Navigation House, 148 Hillsborough Road, Lisburn, Co Antrim, BT27 5QY

Detatched three-bay two-storey polychromatic brick house, built c. 1866. Rectangular on plan facing east with enclosed yard and two-storey brick outbuilding to rear. Pitched natural slate roof with roll-moulded red clay ridge tiles and two original polychromatic brick chimney stacks. Overhanging eaves with exposed timber rafter ends and moulded timber fascia, boarded timber soffit and ogee profile timber brackets at gables. Cast metal rainwater goods. Red brick walling laid in flemish bond with yellowbrick string course at first floor cill level, yellowbrick quions at corners and yellowbrick plinth. The windows are single-glazed timber 1/1 sliding sash with horns; painted white with rectangular sandstone cills; 1½ brick flat arches over window openings. The principal elevation faces east and is symmetrically arranged. The first floor has three equally spaced windows. The ground floor consists of centrally located front door and two windows. Timber painted front door with four panels with rectangular fixed light flanked by two pairs of doric pilasters with slim vertical timber 1/1 fixed sidelight between each pair; pilasters supporting entablature with plain fascias and ogee moulding. The front door is accessed by two stone steps; metal guarding rail and porch wall light fixed to porch in 20th century. Left side elevation faces south and has a small single storey extension. It is blocked from view by overgrown foliage at ground level. Right side elevation faces north and consists of single window located off centre at ground level. No access to rear elevation which faces west and is accessed via enclosed yard. Yard and outbuilding red brick laid in english garden wall bond ; outbuilding two-storey with pitched natural slate roof with black slate ridge tiles; metal rainwater goods; single glazed metal windows; painted timber boarded doors. No access to rear yard. Setting: Situated on the west side of Hillsborough Road, Lisburn near the M1 'flyover' on a secluded site accessed via curved laneway terminating at Hillsborough road with gate screen. Gate screen with wrought iron gates on square brick piers with stone caps with ogee moulding, flanked by symmetrical pair of curved brick screen walls capped with stone coping and terminating in smaller brick piers with ogee stone caps. Site landscaped and largely bounded by tall mature trees. Glass house and small painted timber garden shed to north. Listed former lock keeper's house(HB19/08/005) and Union locks scheduled canal structures(DOW 009:500) on adjacent site to north. Modern house on adjacent site to south.