Beudy'r Ddol is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 30 March 1999. Barn.
Beudy'r Ddol
- WRENN ID
- kindled-garret-khaki
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 30 March 1999
- Type
- Barn
- Address
- Beudy'r Ddol, Cwm Pennant, Dolbenmaen, Gwynedd
- OS grid reference
- SH 540 491
- Coordinates
- 53.02013, -4.17716
- Source
- Cadw listing
Description
Beudy'r Ddol is a building constructed of rounded boulders with minimal mortar and some galletting, characteristic of the Snowdonia area. It features a slate roof supported by raised gable walls with unshaped kneelers. The building has a rectangular plan, with a low door located centrally on the south end and a pitching door at the north end that leads to a former hay loft. Green rhyolite lintels are present, and there are two vents on the west side, which are now blocked.
The interior is undivided, with a former loft at the north end. There are three roof trusses, with the principals having a blade-like shape. Each has properly tenoned collar beams, with each joint secured by four pegs, and a round pole tie beam. The apex of the trusses is halved and pegged. The trusses support two tiers of squared purlins, and a slightly different truss survives at the north end, which may be somewhat earlier in date.
Local climate
Beudy'r Ddol sits in one of the wettest parts of the UK, with an average of 1,550 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 20 freeze-thaw cycles a year, fewer than 79% of listed buildings. Of these, 8 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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