Round tower at Dublin Castle, Ireland
| Location: Dublin, Ireland |
| Architects: Unknown |
| Year: c.1230 |
Original Norman style round tower at Dublin Castle, the earliest part of the fortress.
Clock tower at Dublin Castle, Ireland
| Location: Dublin, Ireland |
| Architect: Arthur Jones-Nevill |
| Year: c.1760 |
Tower and spire of St Patrick's Cathedral, Dublin
| Location: Dublin, Ireland |
| Architect: Unknown |
| Year: c.1400 |
General Post Office, Dublin, scene of the 1916 Easter Rising
| Location: O'Connell Street, Dublin |
| Architect: Francis Johnston |
| Year: c.1818 |
Clock tower at Connolly Station, Dublin
| Location: Amiens Street, Dublin |
| Architect: William Deane Butler |
| Year: c.1844 |
Dome of the Four Courts, Dublin
| Location: Dublin, Ireland |
| Architect: Thomas Cooley / James Gandon |
| Year: c.1802 |
Tower of St Audeon's, the earliest surviving occupied church in Dublin
| Location: Dublin, Ireland |
| Architect: Unknown |
| Year: c.1190 |
Dome of Belfast City Hall
| Location: Belfast, N.Ireland |
| Architect: Alfred Brumwell Thomas |
| Year: 1898-1906 |
Tower and spire of Albert Memorial Clock, Belfast
| Location: Belfast, N.Ireland |
| Architect: Alfred Brumwell Thomas |
| Year: 1898-1906 |
Ruined tower of St Mary's Abbey, Cavan, Ireland
| Location: Cavan Town, Ireland |
| Architect: Unknown |
| Year: c.1460 |
Tower at Cathedral of St Patrick and St Felim, Cavan, Ireland
| Location: Cavan Town, Ireland |
| Architect: W.H. Byrne & Son |
| Year: 1942 |
Gable of former Cathedral of St Patrick, Cavan, relocated as St Mary's Church, Ballyhaise, 1942
| Location: Ballyhaise, Co. Cavan |
| Architect: Unknown |
| Year: c.1823 |
Tower of Cavan Parish Church (C.o.I)
| Location: Cavan Town, Ireland |
| Architect: John Bowden |
| Year: c.1820 |
