21 and 21a, High Street is a Grade II listed building in the Colchester local planning authority area, England. First listed on 2 December 1971. Commercial building. 7 related planning applications.
21 and 21a, High Street
- WRENN ID
- swift-merlon-raven
- Grade
- II
- Local Planning Authority
- Colchester
- Constituency
- Colchester MP: Pam Cox (Lab)
- Country
- England
- Date first listed
- 2 December 1971
- Type
- Commercial building
- Address
- 21 and 21a, High Street, CO1 1DB
- OS grid reference
- TL 995 251
- Coordinates
- 51.88944, 0.89826
- Source
- Historic England listing
Description
Nos 21 and 21A on High Street are buildings from the 18th to 19th century, featuring a grey gault brick front. They stand three storeys tall with attics and have two dormers, arranged in one window range. The ground floor includes a modern shop window. On the first floor, there is an elaborate three-light window with a pediment supported by four Ionic fluted columns, featuring double hung sashes with glazing bars. The second floor has a similar window, but without a pediment and with plain columns, and it contains modern windows.
Local climate
21 and 21a, High Street sits in one of the driest parts of the UK, with an average of 670 mm of rain a year. This makes it drier than 99% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 51% of listed buildings.
It experiences an average of 18 freeze-thaw cycles a year, fewer than 83% of listed buildings. Of these, 9 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 — 3 transactions since 2002
- Related listed building consents — 7 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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