Fish Pool Dam is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 29 September 2000. Dam.
Fish Pool Dam
- WRENN ID
- broken-merlon-cedar
- Grade
- II
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 29 September 2000
- Type
- Dam
- Address
- Fish Pool Dam, Pont-Y-Saeson, Chepstow, Devauden
- OS grid reference
- SO 504 001
- Coordinates
- 51.69754, -2.71787
- Source
- Cadw listing
Description
Fish Pool Dam is a structure made of rubble sandstone walling. On the upstream side, it features eight low arches with elliptical heads that serve as sluices. The downstream side includes spillways from these arches, along with an over-spill or fish ladder located to the right. Currently, the dam maintains a water head of 3.5 meters. It measures approximately 20 meters in length and 2.5 meters in width. The crest of the dam was rebuilt in the late 20th century as part of its ongoing use as a fishing lake.
Local climate
Fish Pool Dam receives an average of 830 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 59% of listed buildings.
It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 18 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.
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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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