Water house at rear of Glanrhyd House is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 21 March 1980. Water house.
Water house at rear of Glanrhyd House
- WRENN ID
- last-beam-marsh
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 21 March 1980
- Type
- Water house
- Address
- Water house at rear of Glanrhyd House, Castell Dwyran, Clynderwen
- OS grid reference
- SN 147 184
- Coordinates
- 51.83383, -4.69057
- Source
- Cadw listing
Description
The water house located at the rear of Glanrhyd House is a small structure made of rubble stone and features a gabled slate roof. On the northwest side, there is a doorway with a stone lintel, while the northeast side has a stone outflow channel. A garden wall is attached to the northeast side of the building. Inside, there is a stone-lined tank.
Local climate
Water house at rear of Glanrhyd House sits in one of the wettest parts of the UK, with an average of 1,170 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 5 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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