Hen Ysgol is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 25 February 2005. School.
Hen Ysgol
- WRENN ID
- keen-step-bittern
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 25 February 2005
- Type
- School
- Address
- Hen Ysgol, Maentwrog, Gwynedd
- OS grid reference
- SH 665 403
- Coordinates
- 52.94427, -3.98812
- Source
- Cadw listing
Description
Hen Ysgol is a two-storey school building dating from the late 19th century. It faces west towards the road and features a three-window front with the main entrance sheltered by a lean-to porch that spans the entire width of the elevation, topped with a slate roof. The building is constructed from mortared rubble masonry, with large stones used for the quoins and lintels. It has a hipped slate roof adorned with decorative ridge tiles and a central timber belltower that has a pyramidal slate roof and shaped barge boards.
The main elevation includes three hipped gable dormers that interrupt the eaves line, and the windows are timber casements with two lights. The central doorway is situated beneath a shallow pitched roofed porch supported by timber piers, with flanking windows that are a mix of timber casements with one and two lights, plus a shallow window directly to the left of the entrance. On the left (north) gable, there is a large fixed light window with 12 panes.
The interior was not inspected during the survey conducted in June and July 2003.
Local climate
Hen Ysgol sits in one of the wettest parts of the UK, with an average of 1,450 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 36 freeze-thaw cycles a year, more than 60% of listed buildings. Of these, 18 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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