Bishop Trevor is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 22 December 1989. House.
Bishop Trevor
- WRENN ID
- idle-paling-birch
- Grade
- II
- Local Planning Authority
- Denbighshire
- Constituency
- Clwyd East MP: Becky Gittins (Lab)
- Country
- Wales
- Date first listed
- 22 December 1989
- Type
- House
- Address
- Bishop Trevor, 8 Mill Street, Llangollen
- OS grid reference
- SJ 215 422
- Coordinates
- 52.97155, -3.17005
- Source
- Cadw listing
Description
Bishop Trevor is a two-storey building featuring a two-window painted roughcast front with a plinth. It has a very steeply pitched slate roof with an undulating ridge and attic skylights, along with a rubble chimney stack to the left that overlaps with No. 6. The first floor has 16-pane sash windows with lugged and ornamented architraves. The modern shop front includes canopies and small pane windows flanking half-glazed doors.
Inside, the building retains half-timbered partitions with wattle infill, as well as massive beams and a winding timber staircase.
Local climate
Bishop Trevor receives an average of 920 mm of rain a year. This makes it wetter than 70% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 73% of listed buildings.
It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 28 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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