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Cof Cymru: National Historic Assets of Wales · Wales

New Mill House

Llandygai, Gwynedd, Wales

The record

Designation
Listed building, Grade II
Broad class
Domestic
Date of designation
24 May 2000
Locality
Coed-y-parc
Town
Bethesda
Community
Llandygai
Unitary authority
Gwynedd
Country
Wales
Coordinates
53.17717, -4.07333
Cadw reference
23369

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 1896 "Sheet 7. Ordnance Survey of England and Wales." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

Situated in roadside position on sharp bend of the B 4409; the house is screened from the road by a high slate slab wall with slab coping.

Shown on the 1889 Ordnance Survey 25" map, the house is likely to have been built shortly before this date as the residence for the manager of the adjoining Felin Fawr Slate Works, the principal slate and slab manufacturing yard for the Penrhyn Slate Quarry, one of the most productive in Wales. The house has recently been extended in matching style on its northern side.

2-storey, parallel gable-ended ranges running at right-angles to road with single-storey outbuilding on same axis attached to south end of west (front) range and another outbuilding at right-angles to the first running parallel with roadside wall. Roughly coursed slate stone with red brick window dressings to ground floor and banded slate hanging throughout to upper level; slate roofs with overhanging verges and carved purlin and wall-plate ends. Main elevation on west has 3 segmental-headed 4-paned sashes on ground floor and 2 gabled eaves dormers with sashes in unusual arrangement of 6 panes over 3 tall rectangular panes; integral end stack to right with panelled rectangular brick shaft and similar ridge stack to left of centre. Entrance on north side, which has recently been extended to east in a style matching that of original house.

Interior not inspected at time of Survey.

Included as a well-preserved late C19 house displaying a high quality use of slate; also important for its close physical and historical association with the remarkable complex of buildings at the Felin Fawr Slate Works.

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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