Dundas Aqueduct is a Grade I listed building in the Bath and North East Somerset local planning authority area, England. First listed on 1 February 1956. Aqueduct.
Dundas Aqueduct
- WRENN ID
- second-facade-laurel
- Grade
- I
- Local Planning Authority
- Bath and North East Somerset
- Constituency
- Melksham and Devizes MP: Brian Mathew (LD)
- Country
- England
- Date first listed
- 1 February 1956
- Type
- Aqueduct
- Address
- Dundas Aqueduct, Monkton Combe
- OS grid reference
- ST 784 625
- Coordinates
- 51.36144, -2.31071
- Source
- Historic England listing
Description
Dundas Aqueduct is an aqueduct that carries the Kennet and Avon Canal over the River Avon, built around 1805 by John Rennie. It is constructed from ashlar stone in a monumental classical style, featuring a rusticated arch over the river framed by paired giant pilasters. There are elliptical flanking arches with battered curved plain ashlar revetments, each revetment having a pilaster on either side. The structure is topped with a monumental Doric cornice that includes a triglyph frieze, with the cornice breaking forward over the pilasters. On either side of the frieze above the main arch, there are bronze plaques in raised frames, added in 1828, which are said to contain inscriptions honoring Charles Dundas M.P., chairman of the canal company, and John Thomas, the chief engineer. The top parapet is pierced with balusters above the revetment walls. The aqueduct is also designated as a Scheduled Ancient Monument.
Local climate
Dundas Aqueduct receives an average of 850 mm of rain a year. This makes it wetter than 59% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 63% of listed buildings.
It experiences an average of 33 freeze-thaw cycles a year, fewer than 55% of listed buildings. Of these, 14 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.
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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
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