Ancient Monuments

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Ringwork north east of New House

A Scheduled Monument in Llangwm (Llan-gwm), Monmouthshire (Sir Fynwy)

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Latitude: 51.7057 / 51°42'20"N

Longitude: -2.8345 / 2°50'4"W

OS Eastings: 342429

OS Northings: 201106

OS Grid: SO424011

Mapcode National: GBR JD.3PQV

Mapcode Global: VH79W.TDC7

Entry Name: Ringwork NE of New House

Scheduled Date: 25 September 1936

Source: Cadw

Source ID: 2359

Cadw Legacy ID: MM074

Schedule Class: Domestic

Category: Ringwork

Period: Medieval

County: Monmouthshire (Sir Fynwy)

Community: Llangwm (Llan-gwm)

Traditional County: Monmouthshire


The monument comprises the remains of a well preserved castle-ringwork, which dates to the medieval period (c. AD 1066 - 1485). The ringwork is located on a small hilltop and consists of a circular flat-topped mound, 45m in diameter at the base and 24m across the summit. The summit of the mound is encircled by a steep-sided bank, 1m high on the inside and 2m high on the outside. On the NE is a 4m wide break in the bank which could have been an entrance. There is an external ditch surrounding the ringwork, it is 2m wide and 1m deep, and extends around the N, S and E sides of the castle mound.

The monument is of national importance for its potential to enhance our knowledge of medieval settlement, organisation and defence. The site forms an important element within the wider medieval landscape. It is well preserved and retains considerable archaeological potential. There is a strong probability of the presence of evidence relating to chronology, layout, building techniques and functional detail.

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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