St Johns Bridge and Attached Walls is a Grade II listed building in the Wiltshire local planning authority area, England. First listed on 18 January 1949. Bridge.

St Johns Bridge and Attached Walls

WRENN ID
other-cobalt-spring
Grade
II
Local Planning Authority
Wiltshire
Constituency
South Cotswolds MP: Dr Roz Savage (LD)
Country
England
Date first listed
18 January 1949
Type
Bridge
Address
St Johns Bridge and Attached Walls, Malmesbury
OS grid reference
ST 935 869
Coordinates
51.58101, -2.09454
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

St John's Bridge and the attached walls were built in the mid-19th century. The structure is made of limestone ashlar and coursed squared limestone rubble. It features three round arches, with the central arch being larger than the others. The bridge includes cutwaters and pilaster strips, a string course at parapet level, and a coped parapet that has lancet openings. The attached parapet walls extend approximately 20 meters to the northwest. Historically, this bridge is located on the site of an earlier bridge, which was also known as Mill or Town Bridge.

Local climate

St Johns Bridge and Attached Walls receives an average of 800 mm of rain a year. This makes it drier than 53% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 52% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 56% 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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  • 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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Nearby listed buildings

  1. Bridge Cottage Grade II 24 m
  2. 1 and 3, St Johns Bridge Grade II 30 m
  3. Avon Mills, Inner Buildings Grade II 43 m
  4. Avon Mills, Outer Buldings Grade II 46 m
  5. St John's Court Grade II* 46 m
  6. 15, St Johns Street Grade II 53 m
  7. Conservatory Cottage Grade II 53 m
  8. 135 and 137, High Street Grade II 60 m
  9. Court House to Rear of Number 27 and Attached Wall Grade I 61 m
  10. 25 and 27, St Johns Street Grade II 61 m