Farm Building at Llwyndyrus is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 8 February 1999. Farm building.
Farm Building at Llwyndyrus
- WRENN ID
- blind-tower-root
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 8 February 1999
- Type
- Farm building
- Address
- Farm Building at Llwyndyrus, Llwyndyrys, Pwllheli, Llannor
- OS grid reference
- SH 384 406
- Coordinates
- 52.93896, -4.40482
- Source
- Cadw listing
Description
The farm building at Llwyndyrus is constructed from local field boulders and rubble stonework, topped with a slate roof. It is situated on a cobbled platform elevated above the fold yard. The building features a gable entrance door with a rectangular ventilation opening above it, along with additional doors on the yard side against the gable end of the main cowhouse-barn range.
This structure consists of four bays and has no internal divisions. It includes an east gable end door for access and two more doors on the south side. Inside, there are three trusses of the standard Caernarfonshire type, which have slightly tapered principals that rise from the walls and are fitted with applied cambered collars to support the purlins. Notably, the center truss has been renewed in sawn timber. Feeding mangers are present along both sides of the building.
Local climate
Farm Building at Llwyndyrus sits in one of the wettest parts of the UK, with an average of 1,670 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 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 1 follows 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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