Holy Well Cottage is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 30 May 1967. House.

Holy Well Cottage

WRENN ID
shifting-forge-ivy
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
30 May 1967
Type
House
Address
Holy Well Cottage, Commercial Road, St. Just-In-Roseland
OS grid reference
SW 847 330
Coordinates
50.15874, -5.0155
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Holy Well Cottage is a house located next to the holy well of Saint Mawes. It dates from the early to mid-19th century and may have been remodeled from an older structure, possibly incorporating walls from a medieval chapel. The building features painted slatestone rubble walls and an asbestos slate roof, with brick chimneys on the right gable end and the left party wall.

The house has a two-room, double-depth layout with a central staircase and stands two storeys tall. The south front has two windows, while the east gable end, situated at the street corner, also has two windows. The south front includes a central doorway with a top-glazed 20th-century door, a window above, and ground and first-floor windows to the left, all of which are horned 12-pane sashes. The windows have shallow brick arches, except for the round-arched openings on the first floor of the gable end, which also feature arch-headed, horned 12-pane sashes. The gable end shows clear signs of some rebuilding. The interior has not been inspected. The cottage is included for its group value.

Local climate

Holy Well Cottage 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.

More on this building

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  • 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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