Hen Ysgol and schoolhouse is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 30 January 1968. A 19th century School.
Hen Ysgol and schoolhouse
- WRENN ID
- other-moat-shade
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 30 January 1968
- Type
- School
- Period
- 19th century
- Address
- Hen Ysgol and schoolhouse, Llandegfan, Cwm Cadnant
- OS grid reference
- SH 566 740
- Coordinates
- 53.24449, -4.14997
- Source
- Cadw listing
Description
Hen Ysgol and the adjoining schoolhouse is an early 19th century school building constructed from mortared uncoursed rubble, featuring large quoin stones. It has a low-pitched slate roof made of small slates, with rendered rectangular stacks that have capping. The school has slightly recessed 30-paned sash windows and an entrance accessed through a gabled porch. The doorway is flanked by unequal sash windows with 6 panes each. Above the entrance is a slate plaque that reads: "This building was restored in the year 1901 In Memory of Her Most Gracious Majesty Queen Victoria who visited Anglesea with her mother the Duchess of Kent in the year 1832." To the left of the porch is another slate plaque stating: "Her Royal Highness The Duchess of Kent Munificently contributed £50 towards the erection of this schoolhouse August 1832."
The schoolhouse features a doorway on the front elevation, offset to the left, with replacement casement windows to the right. There is a rear door also offset to the left, with a first-floor window directly above it. All ground floor openings have slate lintels, and the first-floor windows are set directly under the eaves. The interior was not inspected during the survey.
Local climate
Hen Ysgol and schoolhouse sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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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