Bridge Immediately South West of Couch Mill is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 30 April 1985. Road bridge.
Bridge Immediately South West of Couch Mill
- WRENN ID
- sharp-spire-jet
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- South East Cornwall MP: Anna Gelderd (Lab)
- Country
- England
- Date first listed
- 30 April 1985
- Type
- Road bridge
- Address
- Bridge Immediately South West of Couch Mill, Boconnoc
- OS grid reference
- SX 148 591
- Coordinates
- 50.40279, -4.60669
- Source
- Historic England listing
Description
The bridge immediately south-west of Couch Mill is a road bridge over the River Lerryn, built in 1871, as indicated by a datestone. It is constructed of rubble stone with granite copings. The bridge features two 4-centred arches made of stone voussoirs, along with a small cutwater that has granite capping on both the upstream and downstream sides. The parapets are also made of rubble stone and slightly oversail, topped with granite copings. A stone plaque on the downstream side displays the date of 1871.
Local climate
Bridge Immediately South West of Couch Mill sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.
It experiences an average of 9 freeze-thaw cycles a year, fewer than 92% of listed buildings. Of these, 3 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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