- Building type: School
- Date of construction: 1877
- Architect: O'Neill & Byrne
- Listing: B1
- HB/SMR Ref: HB01/16/003
- 2nd Survey by EHS: No


Lumen Christi (Former St. Columb's College), Bishop Street, Londonderry
County Londonderry

Extensive ranges of school buildings with central chapel, lower side wings and taller side blocks. Central section; canted end with tall double lancet windows, 1 bay projecting from each side with double lancet window and a shouldered doorway on each. Behind the projecting section, 4 sets of double windows on each floor, square-topped on 2nd floor, lancet on 1st, pointed arch at base with pointed arch doorway. Left section; 7 bay, 3 storey house with square-topped windows on 2nd floor, segmental on 1st, rounded arch on ground floor with a central open stone porch forming a balcony above, door square-topped with fanlight, 2 sets of dormers on roof. Right section; 8 bay, 3 storey house, same style windows and door as left, only porch is closed
Stone Type Category: | Schist |
Primary Stone Type: | Derry Schist |
Secondary Stone Type: | Barony Glen Sandstone (Dungiven) |
Other Stone Type: | Portland Limestone |
Replacement Stone Type: | English Carboniferous Sandstone |
Stonework Construction: | Un-coursed rubble |
Stonework Condition: | Schist is in reasonably good condition with fragmentation of isolated blocks only, dressing is in poor condition with heavy granular disintegration, scaling and face loss |
Condition Assessment (QUB): | 2 |