Llantarnam, or Caerleon as it was originally known, was founded by Hywel ab Iorwerth, lord of Caerleon (d. c. 1215). The site is now occupied by the Sisters of St Joseph. Surviving literary works from Llantarnam Abbey include St. Gregory’s Homilies and a late copy of a set of Chester annals. show more...
Standing remains
An early nineteenth-century house now occupies the site and incorporates medieval remains, either form the abbey of the sixteenth-century cecular residence that replaced it. A barn to the north of the house is thought to date from the early thirteenth century.
Dedicated to: Virgin Mary Medieval Diocese: Llandaff Affiliated to: Strata Florida (mother-house) Lordship at foundation: Glamorgan Access: Private Owned by: Private
Main events in the history of this site
1179: Foundation - The house was founded 22 July 1179. [5 sources] c.1179: Holdings in E. Glamorgan - From 1179 Llantarnam had possession of Margam's former dependency of Pendar Grange, Glamorgan. From this time Llanarnam had acquired the grange of Penrhys, Glamorgan, which seemingly had a hostelry and chapel. [1 source] c.1273: Renamed - To avoid confusion and regularize the nomenclature the Cistercian General Chapter stipulated that in official documentation the name 'Lanterna' should be used. [2 sources] c.1291: Wealth - The abbey's total net income at this time was £44 15s 0d. [3 sources] c.1300: Patronage - Hugh Dispenser the Younger, was patron. [1 source] 1317: Poverty - The abbot wrote to the king explaining that his house was impoverished as a consequence of the Welsh uprising the previous year. [3 sources] pre 1398: Destruction - Books, buildings and church ornaments were extensively damaged by fire. [3 sources] 1398: Papal indulgence - Papal indulgence was granted to everyone who helped repair the monastery buildings that had been damaged by fire. [1 source] c.1400: Glyn Dŵr rebellion - The Llantarnam community supported Owain Glyn Dŵr's rebellion. [2 sources] 1405: Abbot killed - John ap Hywel, abbot of Llantarnam, was killed during an attack on Usk Castle. [2 sources] 1504: Bequest - David Matthew bequeathed £10 to the community to glaze the west window of the church. [2 sources] 1532: Bequest - Morgan Jones left the community ten marks (sterling) to purchase a vestment for the Lady Chapel and £10 to help finance the construction of various arches in the church. [2 sources] c.1535: Wealth - According to the Valor Ecclesiasticus the abbey's net annual income was £71 3s 2d. [3 sources][1 archive] 27 August 1536: Dissolution - Llantarnam was closed in the first wave of suppressions. [5 sources] + 12 minor events.Show minor events