Gwynfryn House is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 29 October 2003. House. 1 related planning application.
Gwynfryn House
- WRENN ID
- little-jamb-smoke
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 29 October 2003
- Type
- House
- Address
- Gwynfryn House, Pentre Gwynfryn, Llanbedr, Gwynedd, LL45 2PA
- OS grid reference
- SH 597 271
- Coordinates
- 52.82374, -4.08355
- Source
- Cadw listing
Description
Gwynfryn House is a substantial mid-19th century end of terrace house constructed from rubble masonry. The main elevations facing the street feature roughly dressed snecked stonework, with large stones used as quoins and lintels, while the rear is finished in mortared rubble. The house has a slate roof with broad rectangular stacks that have capping. The windows are 4-pane horned sashes with slate sills.
The house appears to consist of three units, with the central unit located at the angle of the range. The southeast elevation has a three-window arrangement, including a two-window section on the right with a panelled door to the left. The single window section on the left is mirrored on the southwest wall and belongs to the end unit, which has access through a doorway in the angle elevation. At the left end of the southwest wall is another two-window range, with the left part set back from the main elevation and featuring a boarded doorway beneath a shallow overlight.
The interior was not inspected during the survey.
Local climate
Gwynfryn House sits in one of the wettest parts of the UK, with an average of 1,460 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 14 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
- Related listed building consents — 1 application
- 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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