Tan-y-Bwlch is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 22 December 1989. House.
Tan-y-Bwlch
- WRENN ID
- second-hall-sienna
- Grade
- II
- Local Planning Authority
- Denbighshire
- Constituency
- Clwyd East MP: Becky Gittins (Lab)
- Country
- Wales
- Date first listed
- 22 December 1989
- Type
- House
- Address
- Tan-y-Bwlch, Llangollen
- OS grid reference
- SJ 208 418
- Coordinates
- 52.96836, -3.18065
- Source
- Cadw listing
Description
Tan-y-Bwlch is a house featuring a roughcast front with four bays and a plinth. At the time of inspection in February 1989, the left-hand bay was under construction, replacing a similar bay that had decayed before being demolished. The house has a slate roof with wide eaves and brick and rendered chimney stacks, along with 16-pane sash windows. The gables are positioned over the three upper windows, while the ground and first-floor windows on the right have cambered heads. A horned window is located at the main entrance on the left, next to a modern extension, and a modern hooded doorway is situated beneath the middle gable. There is a stone date plaque below the left-hand gable. The right gable end has two windows, with a projecting chimney breast; the windows on the left are camber-headed, and those on the right are square-headed, all being four-pane casements. The roof has dog legs at the rear, along with a small cross gable and an additional chimney stack. There is also a modern flat roof extension and a slightly higher cross range to the left rear, featuring camber-headed casement windows.
Originally, the house had a lobby entry plan with the doorway opposite the hall fireplace. The hall and the former parlour both feature ogee stopped chamfered beams and similarly stopped joists, along with a deep timber lintel above the fireplace. The stairs used to rise to the rear, and there is a half-timbered central wall by the modern staircase, with egged collar and tie trusses.
Local climate
Tan-y-Bwlch 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.
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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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