A long-lost Roman site hidden in a North Wales housing estate where mistakes were made

A historic site in North Wales that lay untouched for almost 2,000 years has been restored. Prestatyn Roman Baths are considered one of Denbighshire’s “hidden gems” but their presence in the coastal town has long puzzled historians.

The bath was first discovered during excavations in the 1930s and was covered over again. It was not until 1984, when construction began on a housing complex on nearby Melyd Avenue, that the site was properly excavated and its historical significance revealed.




The Bath House is believed to have been built around 120 AD and extended in 150 AD. It had a cold water bath at one end fed by a wooden aqueduct from a nearby spring.

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Its existence has given rise to the tantalizing idea that there was a ‘lost Roman settlement’ nearby – perhaps a mansion (a Roman hotel), a small military station or a villa built by a wealthy Roman landowner. It is thought to be linked to the Roman garrisons at Chester and Caernarfon, as it lies halfway between them. Because of its coastal location at Prestatyn, it may also have been associated with a nearby port.

Denbighshire Country Services is currently restoring the area and recent work has involved repairing previous restoration attempts. The last time work was done on the stones at the site they were held together with cement, a less than ideal solution.

Restoration specialist Ben Davies has removed the cement and replaced it with lime mortar. This is what would have been used historically – lime mortar allows buildings to flex, which protects them from extreme temperatures.