Cof Cymru: National Historic Assets of Wales · Wales
Winding house
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
- 53.06253, -4.22459
- Cadw reference
- 23724
Slide toward Today to fade the historical sheet and see the modern map underneath.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesLlyfrgell Genedlaethol Cymru – The National Library of WalesDavid 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).
Cadw's description
Location
Located on Level VIII (Bonc Brig) of Pen-yr-Orsedd Slate Quarry to the east of the Eureka Slate Mill.
History
Winding house built c1923. The quarry opened c1816 and in 1863 it was bought by W A Darbishire & Co. During the 1890s about 450 men worked here: it finally closed in l997.
Exterior
Regularly coursed slate slabs and irregularly coursed rubblestone; slate roof with integral end stack to south-east gable. Ramped entrance to doorway to far right on north-east wall. Multi-paned horizontal window to north-west gable end and 2-light window to south-east gable end.
Interior
Electric motor and uphaulage drum survive intact.
Reason for designation
Included as an electrically-powered winding house associated with the pioneering electrical technology employed at Pen-yr-Orsedd Quarry between 1900 and 1925.
Nearby in the register
- Weighbridge HouseIndustrialunder 1 mi
- Locomotive ShedIndustrialunder 1 mi
- Eureka Slate MillIndustrialunder 1 mi
- Engine HouseIndustrialunder 1 mi
Other entries of the same register within about three miles of this one, by straight line.