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Tretower Barn is a medieval barn located in Wales and protected by Cadw as an ancient monument under reference BR146. The building stands on bedrock of Lower Devonian composition, comprising mudstone, siltstone and sandstone formed during the Early Devonian period, which provides a stable foundation for this substantial agricultural structure.
The barn exemplifies the medieval approach to farm buildings in Wales, constructed to serve the storage and processing needs of a significant agricultural holding. Its position reflects the practical considerations of medieval settlement, situated where the underlying geology offered suitable ground conditions for permanent construction.
As a protected heritage structure, Tretower Barn survives as evidence of medieval Welsh farming practices and rural economy. The building's survival demonstrates the durability of medieval construction methods and materials, whilst its continued presence on the landscape makes it an important resource for understanding how agricultural communities organised their resources and labour during the medieval period.
Tretower Barn is a scheduled monument protected by Cadw under reference BR146. View the official record →
Tretower Barn is a medieval barn located in Wales and protected by Cadw as an ancient monument under reference BR146.
Tretower Barn dates from the medieval period, and is classified as a barn. It is one of over 32,000 scheduled monuments protected across the UK.
Tretower Barn 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 BR146.
Several scheduled monuments lie within 10 km, including Mynydd Pen-cyrn round cairn (6.7 km), Twr Pen-cyrn round cairns (6.9 km), Disgwylfa Tramroads (7.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Tretower Barn'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.
Tretower Barn stands on Lower Devonian Rocks (Undifferentiated), bedrock that formed in the Early Devonian. The rock here is mudstone, siltstone and sandstone.