21, High Street is a Grade II listed building in the North Hertfordshire local planning authority area, England. First listed on 13 April 1951. House. 3 related planning applications.
21, High Street
- WRENN ID
- twelfth-bracket-violet
- Grade
- II
- Local Planning Authority
- North Hertfordshire
- Constituency
- Hitchin MP: Alistair Strathern (Lab)
- Country
- England
- Date first listed
- 13 April 1951
- Type
- House
- Address
- 21, High Street, SG5 1AT
- OS grid reference
- TL 184 291
- Coordinates
- 51.94829, -0.27824
- Source
- Historic England listing
Description
No 21 High Street is a late 18th-century house with two storeys, possibly built on the site of an earlier structure. The ground floor features a modern shop front and a covered passageway. The upper floor is plastered and ends in a parapet beneath a steep tiled roof that has square dormers. The facade above the ground floor is divided into two unequal sections, each with one window, fully plastered and separately bound with long-and-short quoins. The broader section includes a gently curved central bow that extends to the coping of the parapet, and the broad bow-window is of 19th-century three-light design. This building is part of a group that includes Nos 16 to 26 on the same street.
Local climate
21, High Street sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 82% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 76% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 60% of listed buildings. Of these, 17 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.
- No sale records on file
- Related listed building consents — 3 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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