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Cof Cymru: National Historic Assets of Wales · Wales

Cefn Mine

Llannor, Gwynedd, Wales

A Grade II listed building in Efailnewydd, Pwllheli, Llannor, Gwynedd, designated on 19 October 1971.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Cefn Mine, Llannor, Gwynedd, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1913), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Designation
Listed building, Grade II
Broad class
Domestic
Date of designation
19 October 1971
Locality
Efailnewydd
Town
Pwllheli
Community
Llannor
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.89720, -4.47262
Cadw reference
4334

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

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1830 map "V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40" (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 134 Pwllheli (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

The house stands in its own grounds, and is approached by a driveway off the road running S from the crossroads, NE of Efailnewydd.

Cefn mine was originally known as Ty'n-y-coed in Cefn Mehin, and is a house with its origins in the early C17 or earlier; it was mentioned by Lewis Dwnn in 1602 when it was held by the third generation from Llewelyn y Tyncoed Cefn Mehin, and was later held by Richard Edwards. The present building is largely a rebuild of 1700-1710 by the Edwards family and renovated in 1794 when Mrs Catherine Edwards moved here from Nanhoron.

Built of stone, rendered and whitewashed, with a slate roof; three tall stacks to the front range, gable stack to the rear. Two storeys with attics and cellar, comprising two parallel ranges, the later rear range in exposed stonework. Two parallel ranges with the cross wing at the rear containing the original staircase. The front is of 6 window bays, composed of 4 bays on the right between gable stacks, and an extension of 2 bays on the left. The entrance is contained within a C19 glazed porch with patterned slating and decorative bargeboards, set on the 4th bay (towards left of main elevation) - a part-glazed door with a fanlight with intersecting glazing bars over. Twelve-paned sashes throughout, those on the added 2 left bays with horns. Four catslide dormer windows. The parallel rear range is probably of the C18 or early C19, of 3 bays, 2 storeys and attics, abutting the stair tower of the original range at the N end.

Not accessible at the time of inspection, said by RCAHM to have a great fireplace in the SE room of c1600 or earlier, and stopped chamfered ceiling beams. Also a good stair of c1700 in a rear wing opposite the main entrance. Cellars of the C17 survive.

Included as an important house of C17 origins evolving through the C18 as a gentry house in a small estate, employing a simple Georgian style.

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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