Engine Shed is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 28 May 1999. Engine shed.
Engine Shed
- WRENN ID
- shadowed-courtyard-myrtle
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 28 May 1999
- Type
- Engine shed
- Address
- Engine Shed, Llanberis, Caernarfon
- OS grid reference
- SH 581 596
- Coordinates
- 53.11546, -4.12039
- Source
- Cadw listing
Description
The building is an engine shed, a long rectangular structure with lean-to additions on the long sides and a lower gabled continuation at the rear. It features green-painted weatherboarded walls and a slate roof that includes a full-length slate-capped ventilator along the ridge. The north gable end has a track entrance that spans the full width of the building, which includes an added projection with a steel security shutter. The eastern extension is weatherboarded on its northern gable end but is primarily constructed of brick.
The main shed has an aisled construction supported by I section cast-iron or steel columns that are braced to timber wall-plates. The original aisle to the west has been lost due to later extensions, and the spaces between the columns have been partially infilled. The eastern aisle remains open, except for the northern bay, which has been enclosed to create a mess-room. The roof is supported by timber trusses featuring queen-posts and king-posts over the collar in the main span.
Local climate
Engine Shed sits in one of the wettest parts of the UK, with an average of 1,360 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 40 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 22 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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