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Offa's Dyke at Madgett Hill is a section of the linear earthwork constructed during the reign of King Offa of Mercia in the late eighth century, forming a substantial boundary between the Anglo-Saxon kingdom of Mercia and the Welsh territories to the west. This particular stretch, situated near Brook House in Gloucestershire, preserves the characteristic form of the dyke as a substantial bank with an associated ditch, demonstrating the engineering effort invested in this ambitious frontier work. The monument survives as an upstanding earthwork marking the territorial ambitions and consolidation of power undertaken during the Mercian hegemony of the late Anglo-Saxon period.
Offa's Dyke: section on Madgett Hill, 380m south east of Brook House is a scheduled monument protected by Historic England under reference 1020599. View the official record →
Offa's Dyke at Madgett Hill is a section of the linear earthwork constructed during the reign of King Offa of Mercia in the late eighth century, forming a substantial boundary between the Anglo-Saxon kingdom of Mercia and the Welsh territories to the west. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1020599.
Offa's Dyke: section on Madgett Hill, 380m south east of Brook House 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 1020599.
Several scheduled monuments lie within 10 km, including Chepstow Castle (7.3 km), Bishop Barnet's Wood Camp (7.6 km), Chepstow Town Wall and Gate (7.9 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of Offa's Dyke: section on Madgett Hill, 380m south east of Brook House's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Offa's Dyke: section on Madgett Hill, 380m south east of Brook House stands on Upper Devonian Rocks (Undifferentiated), bedrock that formed in the Late Devonian. The rock here is sandstone and conglomerate, interbedded.