Rock Mills is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 13 January 1993. Ice house.
Rock Mills
- WRENN ID
- long-bastion-lark
- Grade
- II
- Local Planning Authority
- Ceredigion
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 13 January 1993
- Type
- Ice house
- Address
- Rock Mills, Capel Dewi, Llandysul
- OS grid reference
- SN 450 422
- Coordinates
- 52.05693, -4.26125
- Source
- Cadw listing
Description
Rock Mills is a woollen mill constructed from rubble stone, featuring a slate roof and a stone stack at the right end. The building stands two storeys high, with the left end elevated significantly above the river, and it has an exceptionally broad iron waterwheel located at the basement level. The front of the mill has five windows, each with 12 panes, slate sills, cambered heads supported by stone voussoirs below, and timber lintels above. There is a door located in the second bay from the left. The rear of the mill is similar in design but is partially obscured by a 20th-century addition. Additionally, there is a 20th-century lean-to on the right end. As of 1992, the mill retains complete working machinery, including a carding set, mule, and willey, making it the last operational woollen mill in Cardiganshire. The waterwheel is marked with "Bridgend Foundry, Cardigan."
Local climate
Rock Mills sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 29 freeze-thaw cycles a year, fewer than 67% of listed buildings. Of these, 14 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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