6, St John's Alley is a Grade II* listed building in the Wiltshire local planning authority area, England. First listed on 9 April 1954. Timber framed building.
6, St John's Alley
- WRENN ID
- dim-step-lake
- Grade
- II*
- Local Planning Authority
- Wiltshire
- Constituency
- Melksham and Devizes MP: Brian Mathew (LD)
- Country
- England
- Date first listed
- 9 April 1954
- Type
- Timber framed building
- Address
- 6, St John's Alley, Devizes, SN10 1BG
- OS grid reference
- SU 004 613
- Coordinates
- 51.35166, -1.99489
- Source
- Historic England listing
Description
No. 6 St John's Alley is a notable building dating from the 16th century, featuring a long range of timber-framed structures with brick and plaster infilling. The central section has two storeys, while the end blocks rise to three storeys. The upper part of the building overhangs, supported by curved beam ends and additional curved brackets. The windows are irregular leaded iron frame casements, although the northern block includes later wooden frame casements. There are also various doors, including a wide ledged door set in a pointed arched opening with a rectangular frame and plain carved spandrels. Most of the building is currently used as offices.
Local climate
6, St John's Alley receives an average of 820 mm of rain a year. This makes it wetter than 52% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 56% of listed buildings.
It experiences an average of 36 freeze-thaw cycles a year, more than 60% of listed buildings. Of these, 16 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 — 5 transactions since 1998
- 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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