8th C. – Round Tower, Clondalkin, Co. Dublin
Well preserved 8th century round tower that acts as a focal point for the area.
9th C. Round Tower, Swords, Co. Dublin
All that remains of a 14th century church is the square belfry.
1139 – St Mary’s Abbey Chapter House, Mary’s Abbey, Dublin
In the early 1880s, seven feet beneath street level, the Chapter House of St Mary’s Abbey was rediscovered under a bakery.
1172 – Christ Church Cathedral, Dublin
Christ Church Cathedral is the Church of Ireland Cathedral for the Diocese of Dublin and Glendalough.
1190 – St Audoen’s Church of Ireland, High Street, Dublin
This is one of the oldest existing churches in Dublin. A Norman church to St Ouen was built here in 1190 to replace an earlier structure dedicated to St Colmcille.
1191 – St Patrick’s Cathedral, Patrick Street, Dublin
St Patrick’s Cathedral is traditionally the site of a holy well used by St Patrick for baptisms and a church was established here as early as the late fifth century –
1200 – St. Doulagh’s Church, Balgriffin, Co. Dublin
The oldest part of the church as it stands is medieval,
1200 – Swords Castle, Co. Dublin
Built around 1200 as an episcopal manor, as the residence of the Archbishop of Dublin.
1204 – Dublin Castle
Dublin Castle has been a constantly developing architectural entity from its foundation in the 12th century up to the present day.
1250c. – Bullock Castle, Co. Dublin
Built in the mid 13th century by the Cistercian monks of the Abbey of St.
