Straining Well and Valve House is a Grade II listed building in the Lake District National Park local planning authority area, England. First listed on 8 August 1985. Valve house.
Straining Well and Valve House
- WRENN ID
- moated-corridor-violet
- Grade
- II
- Local Planning Authority
- Lake District National Park
- Constituency
- Penrith and Solway MP: Markus Campbell-Savours (Lab)
- Country
- England
- Date first listed
- 8 August 1985
- Type
- Valve house
- Address
- Straining Well and Valve House, St. John's Castlerigg and Wythburn, Cumberland
- OS grid reference
- NY 321 149
- Coordinates
- 54.52526, -3.05002
- Source
- Historic England listing
Description
The straining well and valve house for Thirlmere Reservoir was built between 1885 and 1894 by engineer G.H. Hill for the Manchester Corporation Waterworks Committee. It features coursed slate nibble walls with red sandstone dressings and battlemented parapets. The structure includes a circular tower and lower double rectangular valve house sections, creating an overall V-shape. The building has a mock castle appearance, with plain openings and slit vents.
Local climate
Straining Well and Valve House sits in one of the wettest parts of the UK, with an average of 1,470 mm of rain a year. This makes it wetter than 98% 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 58 freeze-thaw cycles a year, more than 97% of listed buildings. Of these, 34 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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