Retaining Walls of Tidal Mill Pond North of Tidal Mill is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 22 November 1982. Retaining walls.

Retaining Walls of Tidal Mill Pond North of Tidal Mill

WRENN ID
twisted-barrel-bracken
Grade
II
Local Planning Authority
Cornwall
Constituency
South East Cornwall MP: Anna Gelderd (Lab)
Country
England
Date first listed
22 November 1982
Type
Retaining walls
Address
Retaining Walls of Tidal Mill Pond North of Tidal Mill, Saltash
OS grid reference
SX 413 576
Coordinates
50.39692, -4.23334
Source
Historic England listing

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

Description

The retaining walls of the tidal mill pond, located north of the tidal mill, are possibly from the late medieval period and may have been repaired and rebuilt continuously until 1920, when the mill stopped operating. These walls are made of loose rubble. The sluice gate that was next to the mill is no longer present. The setting is enhanced by the Great Western Railway viaduct that spans the northern part of the mill pond.

Local climate

Retaining Walls of Tidal Mill Pond North of Tidal Mill sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 89% of listed buildings.

It experiences an average of 9 freeze-thaw cycles a year, fewer than 91% 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.

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