Tyddyn Llwyn Farmhouse is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 26 May 1995. Farmhouse. 2 related planning applications.
Tyddyn Llwyn Farmhouse
- WRENN ID
- western-baluster-river
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 26 May 1995
- Type
- Farmhouse
- Address
- Tyddyn Llwyn Farmhouse, Gwanas, Brithdir and Llanfachreth, Gwynedd, LL40 2SH
- OS grid reference
- SH 771 171
- Coordinates
- 52.7378, -3.82158
- Source
- Cadw listing
Description
Tyddyn Llwyn Farmhouse is a farmhouse, likely dating from the 17th century. It is constructed of whitened, rendered rubble, with a slate roof and built into the side of a hill. The west gable end shows a pronounced batter, and the front (south side) has an irregular boulder plinth. Tall end chimneys are present, featuring capping and weather-coursing. The central entrance has a 20th-century part-glazed door, flanked by two 2-pane casement windows. Three further 4-pane casement windows are set off to one side. A storeyed, rendered extension was added in the later 19th century to the rear, featuring a rubble outshut to the left. A later rubble extension with a corrugated asbestos roof is present to the right, with a modern part-glazed door to the left. The farmhouse was not inspected during a survey in February 1995, but it is reported that beamed ceilings and an inglenook fireplace survive in the former hall.
Local climate
Tyddyn Llwyn Farmhouse 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 3 transactions since 1999
- Related listed building consents — 2 applications
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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