Lake Barn is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 9 October 1987. Bank barn.
Lake Barn
- WRENN ID
- frozen-paling-birch
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- South East Cornwall MP: Anna Gelderd (Lab)
- Country
- England
- Date first listed
- 9 October 1987
- Type
- Bank barn
- Address
- Lake Barn, Deviock
- OS grid reference
- SX 342 545
- Coordinates
- 50.36784, -4.33254
- Source
- Historic England listing
Description
Lake Barn is a bank barn dating from the early 19th century, with alterations made around the mid-19th century and a few later modifications. It is constructed from slatestone rubble with stone dressings and features a hipped slurried slate roof topped with ridge tiles.
The barn's layout includes a cow house on the ground floor and a granary loft above. There is a projecting wing at the rear right, which may have originally served as a horse engine shed. Two additional bays were added to the right end in the mid-19th century, along with an outshut along the rear of the main structure.
The front exterior has four doorways at ground level, each with segmental stone heads; the two central doors are half blocked. There is a central upper loading door with a pitched slate hood and a small two-light window to the right at the upper level. To the right, there is a straight joint leading to one additional bay at the same height, which has a door with a cambered stone head. A second straight joint leads to a further bay set back to the right as a lean-to, featuring a door with a segmental head and a ventilation slit above. On the left side, there is a door with a timber lintel leading to the loft, and a straight joint to the rear outshut, which also has a door with a timber lintel. The rear has a central door to the loft, with a single-storey lean-to from the 19th century to the right and the engine house to the left, which has a loft above and access through a rear door.
Inside, the main building has a five-bay roof supported by principal rafters, a tie-beam, and king posts, with two rows of purlins resting on the backs of the principals and iron braces connecting to the tie-beams. The walls are plastered, and the rear wall features a large sack hoist pulley wheel, which is geared from below and includes wooden cogs, metal spokes, and a frame. There are two upper window openings in the right end wall, which were formerly external. At ground level, there is a doorway with a segmental head leading into the rear range.
Local climate
Lake Barn sits in a wetter-than-average part of the UK, with an average of 1,010 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.
It experiences an average of 9 freeze-thaw cycles a year, fewer than 92% 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.
More on this building
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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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