Carreg Llwyd is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 14 April 1992. House.
Carreg Llwyd
- WRENN ID
- over-merlon-heath
- Grade
- II
- Local Planning Authority
- Conwy
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 14 April 1992
- Type
- House
- Address
- Carreg Llwyd, 20 the Close, Llanfairfechan, LL33 0AG
- OS grid reference
- SH 685 748
- Coordinates
- 53.25422, -3.97205
- Source
- Cadw listing
Description
Carreg Llwyd is a two-storey house featuring rough-cast render that has been painted white. The roof is covered with small grey slates arranged in graded courses, and the chimneys are made of red-brown brick with inclined slate covers.
The front elevation faces west and includes a central gable with a group of three windows, situated above a ground floor window. To the left, there is a bay with a hipped slate roof that was formerly a garage. To the right, the roof extends down over a porch that has been glazed. The gable end on the right side has a first floor group of three windows above a bay window with a slate roof, which is an addition by P M Padmore.
Local climate
Carreg Llwyd sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.
It experiences an average of 38 freeze-thaw cycles a year, more than 73% of listed buildings. Of these, 21 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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