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Plas Berw is a medieval domestic house located in Wales and protected as an ancient monument by Cadw under reference AN057. The building stands on bedrock of Neoproterozoic metamorphic rocks, including marble and meta-limestone, which underlie much of this region and would have been quarried locally for lime and stone in the medieval period. The exposed geology indicates a landscape of considerable geological antiquity, shaped during the Neoproterozoic era hundreds of millions of years before the house's construction.
Medieval houses of this type in Wales served as the residences of landowners or gentry, typically combining domestic and managerial functions for their estates. Plas Berw's survival to the present day reflects both its solid construction and the continuity of settlement in its location, a pattern common in the Welsh countryside where medieval structures have been maintained, adapted or rebuilt across successive centuries.
The monument remains an important record of medieval Welsh domestic architecture and settlement patterns. Its preservation under Cadw's guardianship ensures the protection of this evidence of medieval life and building practices, contributing to understanding of how communities were organised and sustained in medieval Wales.
Plas Berw is a scheduled monument protected by Cadw under reference AN057. View the official record →
Plas Berw is a medieval domestic house located in Wales and protected as an ancient monument by Cadw under reference AN057.
Plas Berw dates from the medieval period, and is classified as a house (domestic). It is one of over 32,000 scheduled monuments protected across the UK.
Plas Berw 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 AN057.
Several scheduled monuments lie within 10 km, including Bryngwyn Standing Stones (4.8 km), Perthi-Duon Burial Chamber (5.2 km), Old Parish Church, Llanidan (5.6 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Plas Berw'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.
Plas Berw stands on Unnamed Metamorphic Rocks, Neoproterozoic, bedrock that formed in the Neoproterozoic. The rock here is marble, meta-limestone.