| | Athlone Bridge | Athlone, Co Westmeath, Republic of Ireland |
| | Computer Centre | Cabinteely, Co Dublin, Republic of Ireland |
| | Central Bank of Ireland Headquarters [Dame Street] | Dame Street,
Dublin,
Republic of Ireland |
| | Central Bank of Ireland - Currency Centre | Sandyford, Co Dublin, Republic of Ireland |
| | Central Remedial Clinic | Clontarf, Dublin, Republic of Ireland |
| | Clarecastle Bridge | Clarecastle, Co Clare, Republic of Ireland |
| | Cork Regional Hospital | Wilton, Cork, Republic of Ireland |
| | Cross Harbour Rail Link | Belfast, Northern Ireland |
| | Dublin Castle - Great Courtyard | Dublin, Republic of Ireland |
| | Dublin Castle - Conference Centre | Dublin, Republic of Ireland |
