Folly tower at Coed Twr is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 26 August 1992. Office.
Folly tower at Coed Twr
- WRENN ID
- forbidden-mantel-amber
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 26 August 1992
- Type
- Office
- Address
- Folly tower at Coed Twr, Vaynol Park, Bangor, Pentir
- OS grid reference
- SH 527 689
- Coordinates
- 53.19706, -4.20555
- Source
- Cadw listing
Description
The folly tower at Coed Twr is constructed from local stone rubble and features a circular plan with a narrow crenellated parapet. The north entrance is square-headed and set within a tall pointed arch. At the top of the tower, there are four quatrefoils, two of which open to the north, all framed with red brick. Additionally, there are four slit openings flanking the quatrefoils and seven further slits located below. The tower was originally roofed.
Local climate
Folly tower at Coed Twr sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 23 freeze-thaw cycles a year, fewer than 75% of listed buildings. Of these, 11 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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