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Peterston Castle

In the community of Peterson-super-Ely.
In the historic county of Glamorgan.
Modern authority of Vale of Glamorgan.
Preserved county of South Glamorgan.

OS Map Grid Reference: ST08397641
Latitude 51.47902° Longitude -3.32080°

Peterston Castle has been described as a certain Masonry Castle.

There are masonry ruins/remnants remains.

This site is a scheduled monument protected by law.


The masonry remains of Peterston Castle lie within the grounds of Caehir House to the west and Castleby to the centre. The earliest fragment seems to represent a detached keep, retaining slight hints of twelfth century detail. Other features included a rectangular walled and towered enclosure, approximately 40m east to west by 35m. The court and other towers were later medieval work. The castle has been progressively destroyed by housing development, and recent Ordnance Survey mapping along with information from the Glamorgan-Gwent Archaeological Trust indicates that only a single fragment remains. (Coflein)

Only a small portion of walling, up to 3.7m high, now remains of Peterston Castle. (Glamorgan-Gwent Archaeological Trust HER)

Here are the remains of an ancient castle, which has been long in ruins; nothing satisfactory is known of its original foundation. (Lewis)

The monument consists of the remains of a medieval castle at Peterston. Comprising the north-west angle tower, it is the main surviving part of the castle of the le Sores of St Fagans and Peterston. Richard le Sore was settled in Glamorgan by c. 1102 and the family remained in possession until the site of the castle was sold to John Butler in c. 1382. There are possible traces of a 12th century keep, but the north-west tower is probably of 13th-14th century date. The surviving west wall stands to a height of c. 6m, with traces of north and south returns. The tower was of three floors. Of the uppermost only the beam holes of its floors remain. In the west wall is a splayed window with a segmented headed rear arch. There are traces of other windows at ground floor level in the north wall, and a garderobe chute in the south-west angle. Access between the floors was via a newel stair in the south wall. (Scheduling Report)

A small masonry castle which, despite being scheduled, does seem to be being gradually destroyed. No known history and no apparent interest in the castle.
Links to archaeological and architectural databases, mapping and other online resources

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Sources of information, references and further reading
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This record last updated 06/07/2016 18:03:39