Open Water Conduits on Coinagehall Street and Almshouse Hill is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 22 May 1972. Water conduit.
Open Water Conduits on Coinagehall Street and Almshouse Hill
- WRENN ID
- fading-floor-poplar
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- St Ives MP: Andrew George (LD)
- Country
- England
- Date first listed
- 22 May 1972
- Type
- Water conduit
- Address
- Open Water Conduits on Coinagehall Street and Almshouse Hill, TR13 8ER
- OS grid reference
- SW 658 274
- Coordinates
- 50.10064, -5.27625
- Source
- Historic England listing
Description
The Open Water Conduits on Coinagehall Street and Almshouse Hill are a Grade II listed structure. They feature granite revetments, some finished with linear and dimpled textures for grip, while others are plain. The base of the channels is made from cut granite, shale, or cobbles, and they include iron grates.
The layout of this extensive system is influenced by the town's topography. It is fed by the diverted River Cober, located approximately 2 kilometers to the north, and it returns to the river south of the town. Most of the system is underground, with channels only exposed along the main roads in the town center.
On Coinagehall Street, there are conduits on either side, situated between the pavement and the road. Several pedestrian granite bridges and 20th-century concrete bridges cross the channels. The upper section on the south side of the street features a wider carriageway curb made of cut granite, and the channel base is also of cut granite, indicating a higher level of finish possibly due to its proximity to the Town Hall. The water flows downhill to the west, with the northern channel running beneath a raised pavement and continuing north along the eastern side of Almshouse Hill. The conduit in Almshouse Hill, which is crossed by various pedestrian and vehicular bridges, lacks the detailed features found in the Coinagehall Street kennels.
Local climate
Open Water Conduits on Coinagehall Street and Almshouse Hill receives an average of 870 mm of rain a year. This makes it wetter than 63% 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 3 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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
- Sale history — 3 transactions since 2001
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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