Former Railway Carriage Shed is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 4 November 1999. Railway carriage shed.

Former Railway Carriage Shed

WRENN ID
dim-lead-finch
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
4 November 1999
Type
Railway carriage shed
Address
Former Railway Carriage Shed, Pont-Rhythallt, Caernarfon, Llanddeiniolen
OS grid reference
SH 548 636
Coordinates
53.15003, -4.17206
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The former Railway Carriage Shed is an extremely long, gable-ended rectangular structure, approximately 130 meters in length. It is built of roughly coursed rubblestone with buttered pointing on the long sides and squared slabs on the gable ends, topped with a slate roof. The north long side features five widely spaced tall rectangular louvred openings with slate cills, with three of these located centrally above doorways that have pale brick dressings. The east gable end includes an iron track for former tall sliding doors, with the date "1896" inscribed on a slate slab above. The current recessed steel doors in the railway carriage entrance date from the 20th century, and there is a pedestrian door in the west gable end.

The interior was originally completely open, with plastered walls and a multi-trussed iron king-post roof supported by raking struts, timber single purlins, and timber rafters. There is some concrete block partitioning at each end, which was added for housing animals.

Local climate

Former Railway Carriage Shed 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 93% of listed buildings.

It experiences an average of 23 freeze-thaw cycles a year, fewer than 75% of listed buildings. Of these, 11 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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