Trevor Tower is a Grade II listed building in the Wrexham local planning authority area, Wales. First listed on 11 June 1998. Tower.
Trevor Tower
- WRENN ID
- floating-buttress-hawthorn
- Grade
- II
- Local Planning Authority
- Wrexham
- Constituency
- Clwyd East MP: Becky Gittins (Lab)
- Country
- Wales
- Date first listed
- 11 June 1998
- Type
- Tower
- Address
- Trevor Tower, Garth, Llangollen, Llangollen Rural
- OS grid reference
- SJ 256 433
- Coordinates
- 52.9826, -3.10925
- Source
- Cadw listing
Description
Trevor Tower is a circular three-storey structure with a flared base, built in 1827. It features a slightly projecting castellated parapet and a rectangular stair-turret, also with a castellated parapet, topped by a flat roof. The tower is constructed from irregular, random tooled ashlar stone, with raised string courses between the floors. The copings on the parapets are a slightly darker colour.
On the southwest side, there is a plain doorway with a 'Gothick' traceried overlight and a square hood moulding, while a second inserted doorway with timber moulding is located on the northwest side. Each floor has rectangular windows that include masonry hood moulding, timber central mullions, and 16-pane 'Gothick' tracery. A rainwater head on the southwest side is embossed with the date '1827'.
The interior and roof were not accessible during the inspection. The timber on the ground floor is mostly rotted away, and there is a spiral staircase leading to the roof. Additionally, there is a sub-rectangular basement with a recess on the west side that provides access to an underground passage, which is now blocked, leading to Trevor Tower Cottage.
Local climate
Trevor Tower receives an average of 880 mm of rain a year. This makes it wetter than 65% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 89% of listed buildings.
It experiences an average of 43 freeze-thaw cycles a year, more than 84% of listed buildings. Of these, 24 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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