Ancient Monuments

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Site of Grace Dieu Abbey

A Scheduled Monument in Llangattock-Vibon-Avel (Llangatwg Feibion Afel), Monmouthshire (Sir Fynwy)

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Latitude: 51.8143 / 51°48'51"N

Longitude: -2.7975 / 2°47'50"W

OS Eastings: 345122

OS Northings: 213147

OS Grid: SO451131

Mapcode National: GBR FG.WYJ4

Mapcode Global: VH79B.GNGK

Entry Name: Site of Grace Dieu Abbey

Scheduled Date: 25 April 1963

Source: Cadw

Source ID: 2389

Cadw Legacy ID: MM158

Schedule Class: Religious, Ritual and Funerary

Category: Abbey

Period: Medieval

County: Monmouthshire (Sir Fynwy)

Community: Llangattock-Vibon-Avel (Llangatwg Feibion Afel)

Traditional County: Monmouthshire


The monument consists of an abbey, which is a Christian monastery or convent under the government of an Abbot or an Abbess, dating to the medieval period. Grace Dieu Abbey, the last Cistercian foundation in Wales, was founded by John of Monmouth in 1226. It was sister house to Dore Abbey in Herefordshire. It was a poor house, although did own land along the river Wye and held a Grange to the east of Monmouth. The Abbey was attacked by the Welsh in 1232 and destroyed in 1233 and subsequently relocated from its original site in 1236. It was dissolved in 1536. No standing remains of the Abbey survive on the site, although traces of buried walls and tracks can be identified through aerial photography.

The monument is of national importance for its potential to enhance our knowledge of the organisation and practice of medieval Christianity. The site forms an important element within the wider medieval landscape. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structure itself may be expected to contain archaeological information concerning chronology and building techniques.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

Source: Cadw

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