Southdown Quays is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 26 January 1987. Quay.
Southdown Quays
- WRENN ID
- buried-basalt-mist
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- South East Cornwall MP: Anna Gelderd (Lab)
- Country
- England
- Date first listed
- 26 January 1987
- Type
- Quay
- Address
- Southdown Quays, Millbrook
- OS grid reference
- SX 438 527
- Coordinates
- 50.35376, -4.19677
- Source
- Historic England listing
Description
Southdown Quays consists of quays forming two basins, built in the 18th century. They are constructed from slatestone rubble arranged in pitched and horizontal bands, with granite copings and granite ashlar. The quays feature battered walls, and the square-headed jetty on the east side has a flight of granite steps in the center and another flight of granite steps on the southwest side. This jetty serves as the outer wall for the roughly rectangular basin to the east. The second, narrower basin to the west has its west wall made of slatestone rubble, while the north and east walls are built from granite ashlar.
These quays were historically used for transporting bricks from the Southdown brickworks, which were located nearby along with former brick kilns and quarries to the northwest, as well as trackways for loading bricks. The area adjacent to the quays is cobbled.
The site was first utilized around 1650 for a gunpowder works, likely linked to the Plymouth dockyards, and has since seen various industrial uses.
Local climate
Southdown Quays 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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- 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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