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
4154
Building Number
Grade
II*
Status
Designated
Date of Designation
11/04/1990
Date of Amendment
24/05/2000
Name of Property
Water Wheel House between slab mills at Felin Fawr Slate Works
Address
Location
Unitary Authority
Gwynedd
Community
Llandygai
Town
Locality
Coed-y-parc
Easting
261493
Northing
366362
Street Side
Location
Located between the slab mills at Felin Fawr Slate Works.
Description
Broad Class
Industrial
Period
History
The wheel was made at the de Winton Foundry in Caernarfon and erected at the Felin Fawr Slate Works in 1846. Fed by underground pipes from Afon Galedffrwd upstream of the works, this 36 ft (10.97m) diameter water wheel powered the sawing and dressing machines in the adjoining dressing sheds. The Felin Fawr workshop complex was formerly the principal slate and slab manufacturing yard for the Penrhyn Slate Quarry, one of the most productive in Wales. The wheel house was in very poor condition at time of Survey.
Exterior
Rectangular plan building, aligned roughly north-south. Reddish brown brick laid in Flemish garden wall bond; gable-ended slate roof, collapsed at northern end, collapsing and with majority of slates missing to southern end at time of Survey. 2 surviving full-height openings with slate lintels to eastern wall; tall rectangular window (joinery gone) with slate cill and lintel in south gable end. Northern gable end collapsed.
Interior
Interior retains overshot wheel set low in a brick-lined wheelpit; wheel has cast-iron frame with only the lower wooden paddles intact. Drivegear and related machinery remain along with the ironwork header tank and panelled angle pilasters over the northern part of the wheel-pit.
Reason for designation
Included, notwithstanding the very poor condition of the wheel house, at II* on account of its exceptional importance in the context of the major manufacturing works for the Penrhyn Slate Quarry, one of the most important and productive slate quarries in Wales; the wheel itself is one of the finest remaining industrial water wheels in Wales.
Cadw : Full Report for Listed Buildings [ Records 1 of 1 ]
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