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Offa's Dyke on Madgett Hill is a substantial earthwork forming part of the linear frontier defence system commissioned by King Offa of Mercia during the late eighth century. This section, positioned 580 metres west of The Old Mill in Gloucestershire, preserves the characteristic bank and ditch structure typical of the monument's construction, engineered to mark and fortify the Anglo-Saxon boundary between Mercia and Wales. The dyke in this location demonstrates the engineering ambition of eighth-century Mercian authority, extending across varied topography to create a formidable territorial marker. The site remains an important surviving example of the larger Offa's Dyke system, which extends for approximately 150 kilometres along the Welsh border and represents one of the most significant monuments of the Anglo-Saxon period.
Offa's Dyke: section on Madgett Hill, 580m west of The Old Mill is a scheduled monument protected by Historic England under reference 1020600. View the official record →
Offa's Dyke on Madgett Hill is a substantial earthwork forming part of the linear frontier defence system commissioned by King Offa of Mercia during the late eighth century. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1020600.
Offa's Dyke: section on Madgett Hill, 580m west of The Old Mill is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1020600.
Several scheduled monuments lie within 10 km, including Chepstow Castle (7 km), Bishop Barnet's Wood Camp (7.3 km), Chepstow Town Wall and Gate (7.5 km).
Aubrey generates in-depth historical research for any address in Britain — drawing on scheduled monument data, Domesday records, Roman heritage, PAS finds and medieval history to reveal the complete story of a landscape.
Research the area around Offa's Dyke: section on Madgett Hill, 580m west of The Old Mill