- Building type: Country House
- Date of construction: 1797
- Architect: R.F. Brettingham
- Listing: B+
- HB/SMR Ref: HB19/05/076
- 2nd Survey by EHS: No


Hillsborough Castle
County Down

Large Classical style house, L-shaped in plan. Portico with paired Ionic columns with pedimented main door onto courtyard on East face. South-central pedimented portico with 4 large Ionic columns. West face central projecting gable 3 bays long. Sash windows, occasionally pedimented. Hipped slate roof
Stone Type Category: | Buff-Pink Sandstone |
Primary Stone Type: | Sherwood Sandstone |
Secondary Stone Type: | Binny Sandstone |
Other Stone Type: | |
Replacement Stone Type: | English Carboniferous Sandstone |
Stonework Construction: | Regular-coursed plain ashlar |
Stonework Condition: | Sandstone blockwork is in reasonable condition but with evidence of surface roughening primarily through granular disintegration and resultant loss of architectural definition. |
Condition Assessment (QUB): | 2 |