Llanrhian Mill is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 29 April 1981. House. 2 related planning applications.
Llanrhian Mill
- WRENN ID
- blind-corridor-thyme
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 29 April 1981
- Type
- House
- Address
- Llanrhian Mill, SA62 5BQ
- OS grid reference
- SM 820 314
- Coordinates
- 51.93888, -5.17206
- Source
- Cadw listing
Description
Llanrhian Mill is a water-powered corn mill constructed from coursed rubble stone with a grouted slate, half-hipped roof. The building has two storeys and features a later attached outbuilding extending west from the right side of the west front. The front of the mill has two ground floor openings with camber arches and stone arches; the left opening contains boarded double doors, while the centre opening has been partially infilled with an added window. Above these openings are two small 4-pane lights, and a plaque indicating the year 1827 is situated between them. The outbuilding has brick corners and brick sides, with two stable doors located on the north front, topped by a corrugated iron roof. The north end has earth and stone ramps leading up to a loft door. The rear wall features a 6-pane upper window on the right and a low boarded opening on the left side at ground level. The south end of the mill houses a large timber and iron overshot waterwheel located in a rubble wheel-pit, with a high rubble feeder on the bank behind it. There is a loft window situated above the wheel. Inside, the mill retains its complete original machinery.
Local climate
Llanrhian Mill sits in a wetter-than-average part of the UK, with an average of 1,050 mm of rain a year. This makes it wetter than 85% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 3 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows 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
- Related listed building consents — 2 applications
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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