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Portskewett Hill Roman Site is a Roman villa situated in Wales on bedrock formed from Dinantian limestone with subordinate sandstone and argillaceous rocks. The underlying geology of this Mississippian age formation would have provided the villa's builders with accessible stone for construction and lime-burning, resources that proved valuable in the Roman period. The site occupies a landscape shaped by these ancient geological foundations, which influenced both the settlement's location and its building materials.
The villa represents the type of substantial rural dwelling constructed by the Romano-British gentry during the occupation of Wales. Its positioning on the Dinantian bedrock demonstrates the Roman approach to site selection, favouring elevated terrain with ready access to stone resources. The geological context of the location—with its mixed limestone and sandstone strata—would have supported both domestic construction and the agricultural economy centred on such establishments.
The monument is now protected by Cadw under the reference MM019, recognising its significance to the archaeological and historical record of Roman Wales. The site contributes to our understanding of rural settlement patterns during the Roman period and the integration of stone-built architecture into the Welsh landscape.
Portskewett Hill Roman Site is a scheduled monument protected by Cadw under reference MM019. View the official record →
Portskewett Hill Roman Site is a Roman villa situated in Wales on bedrock formed from Dinantian limestone with subordinate sandstone and argillaceous rocks. It is designated a Scheduled Ancient Monument by Cadw under reference MM019.
Portskewett Hill Roman Site dates from the roman period, and is classified as a villa. It is one of over 32,000 scheduled monuments protected across the UK.
Portskewett Hill Roman Site 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 MM019.
Several scheduled monuments lie within 10 km, including St. Mary's Churchyard Cross, Portskewett (0.5 km), Harold's House (site of) (0.6 km), Caldicot Castle (unoccupied parts) (1.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Portskewett Hill Roman Site'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.
Portskewett Hill Roman Site stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.