Ancient Monuments

History on the Ground

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Drysgol Platform

A Scheduled Monument in St. Harmon (Saint Harmon), Powys

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Latitude: 52.353 / 52°21'10"N

Longitude: -3.5415 / 3°32'29"W

OS Eastings: 295105

OS Northings: 273890

OS Grid: SN951738

Mapcode National: GBR 9H.SSVD

Mapcode Global: VH5CH.K4L0

Entry Name: Drysgol Platform

Scheduled Date: 22 December 1999

Source: Cadw

Source ID: 1617

Cadw Legacy ID: RD176

Schedule Class: Domestic

Category: Platform house

Period: Medieval

County: Powys

Community: St. Harmon (Saint Harmon)

Traditional County: Radnorshire


The monument consists of a platform house, a levelled area of ground on which a house is built. The Dyrysgol platform is an example of an unusually long earthen platform built in to a south facing slope overlooking the Marcheini Fawr river. The platform measures over 35m in length and is defined by earthen banks which extend along both sides and across the lower end. There is evidence suggesting that there are structural remains, possibly a house, below the present surface. The platform conforms to a type rare in Wales.

The monument is of national importance for its potential to enhance our knowledge of settlement organisation. 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. a platform house may be part of a larger cluster of monuments and their importance can further enhanced by their group value.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive. It is a rectangle and measures 25m x 50m.

Source: Cadw

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