21, High Street is a Grade II listed building in the North Hertfordshire local planning authority area, England. First listed on 11 June 1976. Shop.
21, High Street
- WRENN ID
- broken-cornice-twilight
- Grade
- II
- Local Planning Authority
- North Hertfordshire
- Constituency
- North East Hertfordshire MP: Chris Hinchliff (Lab)
- Country
- England
- Date first listed
- 11 June 1976
- Type
- Shop
- Address
- 21, High Street, Royston
- OS grid reference
- TL 356 406
- Coordinates
- 52.04737, -0.02379
- Source
- Historic England listing
Description
21 High Street is a 16th-century building that has been altered over time. The ground floor is faced with stucco and features a cornice, while the first floor has channelled plaster. The roof is machine tiled. The building has two storeys and attics, with a pair of 19th-century sash windows and a 19th-century shop front on the right side. The back elevation is plastered. This property is part of a group that includes Nos 7 to 13 (odd) and 17 to 25 (odd).
Local climate
21, High Street sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 92% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 78% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 59% 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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- No EPC on record for this property
- No sale records on file
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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