Dykes, at Approx. 100 M North of Place Manor is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 25 June 1985. Dam.
Dykes, at Approx. 100 M North of Place Manor
- WRENN ID
- roaming-facade-reed
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- Truro and Falmouth MP: Jayne Kirkham (Lab)
- Country
- England
- Date first listed
- 25 June 1985
- Type
- Dam
- OS grid reference
- SW 854 321
- Coordinates
- 50.1507, -5.00391
- Source
- Historic England listing
Description
Dykes is a structure located approximately 100 meters north of Place Manor, built around 1850. It was originally a mill pond dam and serves as the entrance for a stream culvert at the head of a creek. The construction features slatestone with granite dressings and has a slightly curved shape. The north wall includes a round arch for the stream exit, made with granite voussoirs, and is flanked by pilaster piers with granite quoins that extend above the wall level. The retaining walls on either side of the piers are made of vertically set dry rubble, which has a noticeable batter leading to a continuous granite string at the base of the parapet level. The parapet wall is constructed of random rubble laid horizontally, topped with granite coping.
Local climate
Dykes, at Approx. 100 M North of Place Manor receives an average of 850 mm of rain a year. This makes it wetter than 59% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.
It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% 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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