Ysgol Llanystumdwy is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 March 1999. School. 1 related planning application.
Ysgol Llanystumdwy
- WRENN ID
- crumbling-moulding-wagtail
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 31 March 1999
- Type
- School
- Address
- Ysgol Llanystumdwy, Criccieth, LL52 0SP
- OS grid reference
- SH 473 385
- Coordinates
- 52.92277, -4.27242
- Source
- Cadw listing
Description
Ysgol Llanystumdwy is a school building constructed of rubble stonework and covered by a slate roof. It dates to the 20th century. The school comprises two classrooms arranged end-to-end, running parallel to the road, with a small projecting entrance wing to the front and a two-storey house for the master at the eastern end. The schoolrooms have four metal windows of 1950s design at the front, with rendered surrounds and concrete sills. A transomed window is located in the western gable end. A roof ventilation opening has been blocked. The lower, short entrance wing to the front features framed and boarded doors on either side, and two timber windows to the gable end facing the road. A short gabled wing projects to the rear from the gable end, and incorporates a lean-to structure. The master’s house has two ground floor windows – one a 12-pane sash window and another a wider timber casement. The first floor has three 16-pane sash windows, with further windows on the eastern side.
Local climate
Ysgol Llanystumdwy sits in one of the wettest parts of the UK, with an average of 1,610 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 11 freeze-thaw cycles a year, fewer than 89% of listed buildings. Of these, 4 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 3 transactions since 1998
- 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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