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Offa's Dyke: South of School House is a linear earthwork forming part of the extensive defensive frontier constructed during the reign of King Offa of Mercia in the late eighth century, probably between 760 and 796 AD. The monument consists of a substantial bank and ditch arrangement typical of the dyke system, which extended for approximately 150 miles along the Anglo-Welsh border. This section, located in Wales, represents a significant component of one of the most ambitious engineering projects of the Early Medieval period in Britain, designed to demarcate territorial control and regulate movement between the English Midlands and Welsh territories. The earthwork remains a substantial landscape feature, preserving evidence of Early Medieval boundary maintenance and the political geography of the Anglo-Saxon frontier.
Offa's Dyke: South of School House is a scheduled monument protected by Cadw under reference MG224. View the official record →
Offa's Dyke: South of School House is a linear earthwork forming part of the extensive defensive frontier constructed during the reign of King Offa of Mercia in the late eighth century, probably between 760 and 796 AD. It is designated a Scheduled Ancient Monument by Cadw under reference MG224.
Offa's Dyke: South of School House dates from the early medieval period, and is classified as a linear earthwork. It is one of over 32,000 scheduled monuments protected across Britain.
Offa's Dyke: South of School House is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is MG224.
Several scheduled monuments lie within 10 km, including Offa's Dyke: Section from Cwm By-Road to Hem Road (8.3 km), Lower Min-y-Llyn Castle Mound (8.3 km), Motte castle 100m north of Wotherton Hall (8.4 km).
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Research the area around Offa's Dyke: South of School House