History in Structure

Workshops

A Grade II Listed Building in Llanllyfni, Gwynedd

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Coordinates

Latitude: 53.0604 / 53°3'37"N

Longitude: -4.2247 / 4°13'29"W

OS Eastings: 251007

OS Northings: 353770

OS Grid: SH510537

Mapcode National: GBR 5L.C66R

Mapcode Global: WH54Z.2BHQ

Plus Code: 9C5Q3Q6G+44

Entry Name: Workshops

Listing Date: 21 July 2000

Last Amended: 21 July 2000

Grade: II

Source: Cadw

Source ID: 23729

Building Class: Industrial

ID on this website: 300023729

Location: Located to the south of the slate mill on Level VI (Bonc yr Offis) of Pen-yr-Orsedd Slate Quarry.

County: Gwynedd

Town: Caernarfon

Community: Llanllyfni

Community: Llanllyfni

Locality: Pen-yr-Orsedd

Traditional County: Caernarfonshire

Tagged with: Workshop

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History

Original workshop of c1900 extended and re-clad c1937-8. The quarry opened c1816 when it was worked by William Turner. In 1863 it was bought by W A Darbishire & Co., after which it underwent substantial modernisation, reflected in the use of both water and steam power. During the 1890s about 450 men worked here; it finally closed in 1997.

Exterior

Roughly square complex of workshops, the principal building aligned approximately north-east to south-west. This is a c1900 steel-framed corrugated-iron clad structure of 6 bays with a barrel-shaped roof; it has been clad c1937-8 in sawn slate blocks with 3 large raking buttresses on the south-east side. Projecting at right-angles to the north-west are 3 parallel ranges of c1937-8 constructed of sawn slate blocks with gable-ended slate roofs, probably on the site of earlier buildings, containing the foundry, woodworking shop and stores; brick chimneys. Foundry has continuous ridge light; other lighting mainly through bands of long horizontal windows under the eaves; main doors are horizontally sliding. The 3 subsidiary ranges enclose a small courtyard on the north-west side, closed off by a high slate wall with an entrance gateway. On one side the yard has a row of large slate-slab bins, presumably for storage.

Interior

The foundry has a 3-bay roof with tie beam trusses; king-post roofs to remainder. The original machinery and fittings survive remarkably intact and include tuyere hearths, woodworking equipment, storage racks, an overhead gantry crane and 2 railway lines with a small locomotive table.

Reasons for Listing

Listed, despite their condition, as a remarkably complete example of slate quarry workshops with much of their original machinery intact, forming part of a larger group of roughly contemporary quarry buildings on this site.

External Links

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

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Other nearby listed buildings

  • II Quarry Hospital
    Located to the south-east of the quarry offices on Level VI (Bonc yr Offis) of Pen-yr-Orsedd Slate Quarry.
  • II Quarry Offices
    Located between the store building to the north and the barracks to the south-west on Level VI (Bonc yr Offis) of Pen-yr-Orsedd Slate Quarry.
  • II Store Building
    Located between the former slate mill to the north-east and the quarry offices to the south-west on Level VI (Bonc yr Offis) of Pen-yr-Orsedd Slate Quarry.
  • II Barracks Building
    Located to the south-west of the quarry offices on Level VI (Bonc yr Offis) of Pen-yr-Orsedd Slate Quarry.
  • II Winding Drumhouse and Incline
    Located to the south-east of the slate mill on Level VI (Bonc yr Offis) of Pen-yr-Orsedd Slate Quarry, the drumhouse is dramatically sited at the head of the incline running downhill to the south-east
  • II Slate Mill
    Directly adjoining the slab mill to the south on Level IV (Bonc Isa') of Pen-yr-Orsedd Slate Quarry.
  • II Slab Mill
    Directly adjoins the large slate mill on Level IV (Bonc Isa') of Pen-yr-Orsedd Slate Quarry.
  • II Locomotive Shed
    Directly adjoins the drumhouse on Level IV (Bonc Isa') of Pen-yr-Orsedd Slate Quarry.

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