Clahar Cottage is a Grade II listed building in the Cornwall local planning authority area, England. Cottage. 4 related planning applications.

Clahar Cottage

WRENN ID
unlit-alcove-larch
Grade
II
Local Planning Authority
Cornwall
Constituency
St Ives MP: Andrew George (LD)
Country
England
Type
Cottage
Address
Clahar Cottage, Mullion, TR12 7DS
OS grid reference
SW 682 194
Coordinates
50.02962, -5.23673
Source
Historic England listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Clahar Cottage is an 18th-century cottage with rubble walls, plastered cob upper walls, and a thatched roof. The walls are partly whitewashed or painted, with some blockwork repairs. The original north-west facing facade has been reoriented to face south-east. The south-east facade features a 6-pane sliding sash window to the left of a partly glazed 20th-century entrance door, and a 20th-century stable door beyond. A single-story extension, built in the 20th century with whitewashed rubble, projects from the south-east facade, with the thatched roof continuing over it. The first floor of the south-east facade has a 4-pane sash window, a 6-pane sash window, and two 20th-century casement windows (4 panes and 6 panes respectively). A north-west facing facade, facing the road, has three asymmetrical windows: a 2-pane window, a 4-pane sash window, and a 6-pane top-hung window, all dating to the 20th century. One room, located on the north-east side, is open to the roof, with the fireplace having been removed. A room on the south-west side contains a large fireplace that is now blocked. Some original 18th-century ovolo-moulded beams are visible in the ceiling of the ground floor. The roof timbers are not accessible.

Local climate

Clahar Cottage receives an average of 910 mm of rain a year. This makes it wetter than 68% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 1 freeze-thaw cycle 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 5 transactions since 2000
  • Related listed building consents — 4 applications
  • 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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  9. Parc Venton Grade II* 1.1 km
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