Full Report for Listed Buildings
The list description is not intended to be a complete inventory of what is listed: it is principally intended to aid identification. By law, the definition of a listed building includes the entire building (i) and any structure or object that is fixed to the said building and ancillary to it and (ii) any other structure or object that forms part of the land and has done so since before 1 July 1948, and was within the curtilage of the building, and ancillary to it, on the date on which said building was first included in the list, or on 1 January 1969, whichever was later.
Summary Description
Reference Number
23722
Building Number
Grade
II
Status
Designated
Date of Designation
21/07/2000
Date of Amendment
21/07/2000
Name of Property
Engine House
Address
Location
Unitary Authority
Gwynedd
Community
Llanllyfni
Town
Caernarfon
Locality
Pen-yr-Orsedd
Easting
250969
Northing
354122
Street Side
Location
Located on Level VIII (Bonc Brig) of Pen-yr-Orsedd Slate Quarry at the foot of the modern steep access road from Y Fron.
Description
Broad Class
Industrial
Period
History
Engine house, built c1906. 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 1997.
Exterior
Regularly coursed slate slabs, rendered to upper part of right gable end; slate roof with red brick integral end stack to right gable end. Front wall has wide horizontal window to left and doorway to right; further windows to centre of gable ends. Associated with blondin ropeway system running to the north-west.
Interior
Retains winding drum operated from a Bruce Peebles 3-phase motor of 1906 through reduction gearing, of which the motor, control mechanism and liquid controller survive.
Reason for designation
Included as a well-preserved engine house which, with its associated blondin ropeway system, is a significant feature of the quarry.
Scheduled Ancient Monument (208).
Cadw : Full Report for Listed Buildings [ Records 1 of 1 ]
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