Old Thatch is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 10 July 1957. A C18 Cottage.

Old Thatch

WRENN ID
haunted-pewter-crimson
Grade
II
Local Planning Authority
Cornwall
Constituency
St Ives MP: Andrew George (LD)
Country
England
Date first listed
10 July 1957
Type
Cottage
Address
Old Thatch, Grade-Ruan
OS grid reference
SW 721 145
Coordinates
49.98708, -5.18032
Source
Historic England listing

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

Description

Old Thatch is a cottage dating from the 18th century, which has been modernised in the 20th century. It is constructed of pink-washed rubble stone with some cob in the upper walls and features a thatched roof. The building is one and a half storeys tall, with a symmetrical central part and extensions on both the left and right sides. The front has a range of seven windows.

On the ground floor, there are two 2-light 20th-century casement windows on either side of a timber-planked door that is sheltered by a thatched canopy supported by timber posts. Above these openings, there are three 2-light 20th-century casement windows. The left-hand side (southeast) has a 20th-century extension built with the same materials as the main structure, featuring similar windows on both the ground and first floors, and a rounded corner at the gable. The gable end has a large 3-light casement window on the ground floor without glazing bars and a 20th-century casement window on the first floor. To the right, there is a single-storey extension with a slate roof and a 3-light 20-pane casement window. The interior has been altered. The cottage is included for its group value.

Local climate

Old Thatch 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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  • Detailed attributes — period, style, materials, features
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  • 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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