1180 – Jerpoint Abbey, Co. Kilkenny
Jerpoint Abbey is a ruined Cistercian abbey, constructed by around 1180, by Donogh O’Donoghoe Mac Gilla Patraic, the King of Osraige.
1180 c. – Wexford Town Walls, Co. Wexford
Wexford began as a Viking town in the 10th century, when the “deep pool” provided a safe berthing place for longboats.
1180c. – St. Mochta’s House, Louth, Co. Louth
St Mochta was a disciple of St Patrick, who established his abbey in Louth around 528, and also built an this stone house nearby,
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 –
11th C. – Cathedral, Glendalough, Co. Wicklow
The largest church in Glendalough, it has a nave and chancel as well as a sacristy. The lower portion of the nave wall,
11th C. – Gateway, Glendalough, Co. Wicklow
The Gateway, the only surviving example in Ireland, was the main entrance to the monastic enclosure. The steps up to it are modern for access.
1200 – King John’s Castle, Carlingford, Co. Louth
Known as King John’s Castle because it was allegedly founded by King John who stayed here briefly in 1210, the castle was more likely founded by Hugh de Lacy some years before.
1200 – St. Doulagh’s Church, Balgriffin, Co. Dublin
The oldest part of the church as it stands is medieval, dating from the 12th century, and believed to have been home to a small monastic settlement.
1200 – Swords Castle, Co. Dublin
Built around 1200 as an episcopal manor, as the residence of the Archbishop of Dublin. Five sided around a considerable courtyard with elements from the 13th,
