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Ty'n y Ddol Medieval Long Hut is a medieval platform house located in Wales. The structure represents a dwelling type common in medieval Wales, where the living space was built upon a deliberately levelled or constructed platform to improve drainage and structural stability on sloping ground. This building technique was practical in the Welsh landscape, where exposure to rainfall and damp conditions made elevated platforms essential for habitable dwellings.
The hut sits upon Caradoc Rocks, a bedrock formation of mudstone, siltstone and sandstone dating to the Caradocian period. This underlying geology would have presented challenges for medieval builders: the fine-grained mudstone and siltstone are inherently susceptible to waterlogging, making the platform construction technique particularly necessary at this location. The sandstone bands within the sequence may have provided some more stable building material.
The monument is protected by Cadw, the heritage monument service of Wales, under reference CN304. The site preserves evidence of medieval domestic occupation and construction practices adapted to local topography and geological conditions, offering insight into how medieval Welsh communities engineered solutions to environmental constraints.
Ty'n y Ddol Medieval Long Hut is a scheduled monument protected by Cadw under reference CN304. View the official record →
Ty'n y Ddol Medieval Long Hut is a medieval platform house located in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference CN304.
Ty'n y Ddol Medieval Long Hut dates from the medieval period, and is classified as a platform house. It is one of over 32,000 scheduled monuments protected across the UK.
Ty'n y Ddol Medieval Long Hut 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 CN304.
Several scheduled monuments lie within 10 km, including Diffwys Quarry (5.4 km), Hut Circle Settlement at Gelli Gonan (5.9 km), Cwmorthin slate quarry, mine, railway and ancillary features (6.1 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Ty'n y Ddol Medieval Long Hut'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.
Ty'n y Ddol Medieval Long Hut stands on Caradoc Rocks (Undifferentiated), bedrock that formed in the Caradocian. The rock here is mudstone, siltstone and sandstone.