Bridge Directly South of Trewen Mill is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 23 November 1988. Road bridge.

Bridge Directly South of Trewen Mill

WRENN ID
solemn-obsidian-lichen
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
23 November 1988
Type
Road bridge
OS grid reference
SX 252 830
Coordinates
50.6211, -4.47229
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The bridge located directly south of Trewen Mill is a road bridge that spans the River Inney. It was built in the early to mid 19th century and is constructed from stone rubble. The bridge features a dressed stone round arch with a keyblock, and it has stone rubble parapets topped with granite coping. This bridge is part of a group that includes Trewen Mill.

Local climate

Bridge Directly South of Trewen 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 86% of listed buildings.

It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 7 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
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  • 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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Nearby listed buildings

  1. Trewen Mill Grade II 70 m
  2. Innyside Farmhouse Grade II 431 m
  3. Church of St Michael Grade II* 483 m
  4. Barn Directly to South East of Trewen Farmhouse Grade II 490 m
  5. Barn Directly to South West of Trewen Farmhouse Grade II 491 m
  6. Trewen Farmhouse Grade II 499 m
  7. Lower Trethinna Cottage Grade II 548 m
  8. Little Trethinna Grade II 550 m
  9. Trethinna Farmhouse Grade II 618 m
  10. Pigshouses Directly to North of Trethinna Farmhouse Grade II 618 m