Hovel at Tan-y-bwlch is a Grade II* listed building in the Gwynedd local planning authority area, Wales. First listed on 18 May 1989. Ancillary structure.
Hovel at Tan-y-bwlch
- WRENN ID
- watchful-chamber-cobweb
- Grade
- II*
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 18 May 1989
- Type
- Ancillary structure
- Address
- Hovel at Tan-y-bwlch, Clynnog-Fawr, Caernarfon, Clynnog
- OS grid reference
- SH 431 487
- Coordinates
- 53.01329, -4.33972
- Source
- Cadw listing
Description
The Hovel at Tan-y-bwlch is a Grade II* listed structure dating back to an unspecified period. It features a sub-rectangular chamber measuring 1.92 meters by 2.8 meters, constructed from boulders and filled with smaller stones, likely originally including moss. The roof is made of four corbelled slabs. There is a narrow rectangular doorway at one corner, 72 centimeters wide, with a monolithic lintel and a later doorframe. Opposite this doorway is a raised hearth framed in stone. A blocked window, which once overlooked a small pigsty, indicates that alterations have occurred during its use.
Attached to the southwest side of the chamber is a square pen, presumably for a pig, measuring 1.7 meters square. This pen is similarly constructed and integrated with the main building, featuring a shelter at the back that is 1.2 meters wide and accessed through a low opening. The pen has a lean-to roof made of large stone slabs, and its interior is also paved. The associated run has slightly convex paving and boulder gateposts, but there are no surviving fittings.
The walls of the chamber are slightly corbelled, rising towards the capstone slab roof, which reaches a height of 1.8 meters at the center. The floor is level and made of stone. The raised hearth measures 75 centimeters by 70 centimeters and features a vertical orthostat on one side supporting a lintel stone. A small flue rises through the roof, and there are two pairs of small rectangular niches in the side wall.
Local climate
Hovel at Tan-y-bwlch sits in one of the wettest parts of the UK, with an average of 1,610 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.
It experiences an average of 11 freeze-thaw cycles a year, fewer than 89% of listed buildings. Of these, 4 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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