Locomotive Shed is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 21 July 2000. Shed.
Locomotive Shed
- WRENN ID
- pale-pinnacle-plover
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 21 July 2000
- Type
- Shed
- Address
- Locomotive Shed, Pen-Yr-Orsedd, Caernarfon, Llanllyfni
- OS grid reference
- SH 511 540
- Coordinates
- 53.06247, -4.223
- Source
- Cadw listing
Description
The Locomotive Shed is a building constructed with regularly coursed slate slabs and features a slate roof that has exposed rafter feet and an integral end stack at the south-east gable. It has a rectangular plan and includes one tall entrance and one lower entrance, both fitted with steel lintels, located at the north-west gable end. The south-east gable end has a 12-light horizontal window. Adjacent to the shed is an iron tank positioned on a slate plinth, which was used for supplying water to the locomotives. The roof is designed in two bays and supported by a central A-frame truss.
Local climate
Locomotive Shed sits in one of the wettest parts of the UK, with an average of 1,380 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 25 freeze-thaw cycles a year, fewer than 73% of listed buildings. Of these, 12 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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