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Cof Cymru: National Historic Assets of Wales · Wales

Store Building

Llanllyfni, Gwynedd, Wales

The record

Designation
Listed building, Grade II
Broad class
Industrial
Date of designation
21 July 2000
Locality
Pen-yr-Orsedd
Town
Caernarfon
Community
Llanllyfni
Unitary authority
Gwynedd
Country
Wales
Coordinates
53.06054, -4.22526
Cadw reference
23732

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1795 "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

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This record in Cadw's own full report ↗

Cadw's description

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.

Store building, c1863. 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.

Constructed of squared and coursed rubble with gable-ended graded slate roof. Long narrow building aligned approximately north-west to south-east. North-west (left) end has 4-bay open front with square piers and south-east end is former office with 4 tall rectangular window openings, some still with timber casements. Doorway in gable end.

Tie beam roof trusses.

Listed as part of the remarkably complete quarry complex at Pen-yr-Orsedd Slate Quarry, forming a group with other structures on Level VI, also important as one of the first structures erected during the quarry's modernisation after change of ownership in 1863.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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