- Building type: Observatory
- Date of construction: 1789
- Architect: Francis Johnston
- Listing: A
- HB/SMR Ref: HB15/16/003
- 2nd Survey by EHS: No


Armagh Observatory, College Hill, Armagh
County Armagh

Classical style 2 storey over basement, 3 bay square plan, double pile main house. Tuscan style porch with block parapet and cornice. Sash windows. Stepped quoins. Upper cornice and blocked parapet. Single storey wing to East leading to Observatory tower
Stone Type Category: | Conglomerate |
Primary Stone Type: | Drumarg Conglomerate |
Secondary Stone Type: | Armagh Limestone |
Other Stone Type: | |
Replacement Stone Type: | Armagh Limestone |
Stonework Construction: | Coursed rubble |
Stonework Condition: | Stonework condition varies depending on the façade. Some stonework is in good condition with very little deterioration, other areas show spreading patches of scaling and face loss |
Condition Assessment (QUB): | 2 |