Sham Castle is a Grade II* listed building in the Bath and North East Somerset local planning authority area, England. First listed on 1 February 1956. Folly.
Sham Castle
- WRENN ID
- eastward-bastion-stoat
- Grade
- II*
- Local Planning Authority
- Bath and North East Somerset
- Constituency
- Bath MP: Wera Hobhouse (LD)
- Country
- England
- Date first listed
- 1 February 1956
- Type
- Folly
- Address
- Sham Castle, North Road, Bathampton
- OS grid reference
- ST 766 648
- Coordinates
- 51.38231, -2.33752
- Source
- Historic England listing
Description
Sham Castle is a Gothick folly built in 1762 by Richard James, a master mason, for Ralph Allen to enhance the view from Allen's town house in Bath. It is believed to have been designed by Sanderson Miller around 1755. The structure is made of coursed squared rubble and features battlements. It has a screen wall with a central pointed arch, flanked by two three-storey circular turrets, and extends to two-storey square towers at each end. The castle includes blocked lancet windows and plain and cross-loop openings, with a plaque in the center.
Local climate
Sham Castle 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.
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
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