Llwydiarth is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 6 December 1999. Farmhouse.
Llwydiarth
- WRENN ID
- hidden-merlon-poplar
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 6 December 1999
- Type
- Farmhouse
- Address
- Llwydiarth, Aberllefenni, Machynlleth, Corris, Gwynedd
- OS grid reference
- SH 792 112
- Coordinates
- 52.68505, -3.78713
- Source
- Cadw listing
Description
Llwydiarth is a farmhouse built from rubble and whitewashed, topped with a slate roof and featuring raised stone copings at the northeast end. The west gable end is clad in corrugated iron. The building has one storey and attics, consisting of five structural bays that likely represent a three-unit plan. There are opposed doors between the upper pairs of windows; the southern door is half-glazed, while the northern door is boarded and located within a corrugated iron lobby that connects to an outbuilding.
On the southern front, there are three window bays with regularly spaced paned casement windows. To the left of the door, there is a small-paned cross window on the upper floor, along with some metal windows from the 1950s. Additionally, there is a 16-pane sash window in the eastern kitchen, which has the remains of a stone label above it, as does the adjacent window. At the rear, the windows have been renewed, and there is one raking dormer within the roof.
Local climate
Llwydiarth sits in one of the wettest parts of the UK, with an average of 1,290 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.
It experiences an average of 41 freeze-thaw cycles a year, more than 79% of listed buildings. Of these, 22 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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