Hafod-y-wern Farmhouse is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 15 September 1999. Farmhouse.
Hafod-y-wern Farmhouse
- WRENN ID
- waning-sentry-fern
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 15 September 1999
- Type
- Farmhouse
- Address
- Hafod-y-wern Farmhouse, Clynnog-Fawr, Caernarfon, Clynnog
- OS grid reference
- SH 419 491
- Coordinates
- 53.01635, -4.35716
- Source
- Cadw listing
Description
Hafod-y-wern Farmhouse is a house constructed from rubble, featuring slate roofs with imposed copings, blue ridge tiles, and gable stacks. The rear wing is the older part of the building, consisting of one storey and an attic. It has a framed and boarded door facing the farmyard, set within a shallow slate porch, along with one 4-paned window and rooflights. On the northeast side, there is a small blocked window for the original stair next to the gable stack, which has weather drips, and two small windows. The main front block, built in the mid to late 19th century, is symmetrical and has two storeys with a three-window range. It features a central framed and boarded door with an overlight, flanked by 12-pane sash windows on the ground floor, and three 16-pane sashes on the upper floor, most of which retain their original crown glass. The gable stacks were rebuilt in the late 19th century. In front of the house, there is a walled garden that follows the curve of the approach drive, with a short cylindrical gatepier marking the entrance to the farmyard.
Inside the rear wing, there is a large fireplace in the southeast gable end, with a fire beam and a former stone stair beside it. A later stair leads to the upper floor. The front range includes a central corridor with reception rooms on either side, although the fireplaces were replaced in the 1930s.
Local climate
Hafod-y-wern Farmhouse sits in one of the wettest parts of the UK, with an average of 1,710 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 7 freeze-thaw cycles a year, fewer than 95% of listed buildings. Of these, 2 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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