20, High Street is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 23 January 1973. Shop.
20, High Street
- WRENN ID
- waning-threshold-mallow
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- Truro and Falmouth MP: Jayne Kirkham (Lab)
- Country
- England
- Date first listed
- 23 January 1973
- Type
- Shop
- Address
- 20, High Street, Falmouth
- OS grid reference
- SW 806 330
- Coordinates
- 50.15691, -5.07182
- Source
- Historic England listing
Description
No. 20 High Street is a shop with residential accommodation above, dating from the mid-19th century. The building features a rendered exterior that replaces the original stucco on studwork and has a concrete tile roof. It has a double-depth plan and stands three storeys tall with a two-window range. The first floor retains original 12-pane hornless sash windows, while the upper floors have late 20th-century windows. The ground floor includes a recessed late 20th-century shop front and a short flight of steps leading up to the house doorway on the left. The interior has not been inspected.
Local climate
20, High Street 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2025
- 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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