10th C. – Antrim Round Tower, Co. Antrim
Described as one of the most perfect of the round towers of Ireland,
1180 – Carrickfergus Castle, Co. Antrim
One of the finest Norman castles in Ireland, Carrickfergus Castle is sited along the harbour front,
1193 – Grey Abbey, Greyabbey, Co. Down
Grey Abbey was founded in 1193, by John de Courcy’s wife,
13th C. – Drumlane Priory, Co. Cavan
The remains of a 13th century church and round tower. St Mary’s Priory was established here on the northern banks of Garfiney Lough in the 12th century for Augustinian Canons.
13th C. – Round Tower, Devenish Island, Co. Fermanagh
There are extensive low earthworks on the hillside, but the earliest buildings are St Molaise’s House and this fine round tower close by,
1474 – Donegal Castle, Co. Donegal
The castle consists of a 15th century rectangular keep with a later Jacobean style wing.
1533 – St. Columbs’s Cathedral, Derry
Described in ‘Tours in Ulster a hand-book to the antiquities and scenery of the north of Ireland’,
1600s – Blayney Castle, Castleblayney, Co. Monaghan
The area of Muckno and Ballynalurgan was granted to Sir Edward Blayney under the Plantation of Ulster in 1607 and 1611.
1610 – Belfast Castle, Belfast, Co. Antrim
John de Courcy built a castle on what is now Castle Street in the city centre in the 12th century.
1611 – North Gate, Carrickfergus, Co. Antrim
Lord Deputy Sir Arthur Chichester enclosed Carrickfergus with stone walls from 1611 onwards and more than half the circuit is still visible,
