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Ty Mawr

A Grade II* Listed Building in Dolwyddelan, Conwy

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Latitude: 53.0547 / 53°3'17"N

Longitude: -3.8366 / 3°50'11"W

OS Eastings: 277001

OS Northings: 352408

OS Grid: SH770524

Mapcode National: GBR 62.CJJF

Mapcode Global: WH669.1HB0

Plus Code: 9C5R3537+V9

Entry Name: Ty Mawr

Listing Date: 13 October 1966

Last Amended: 17 July 1992

Grade: II*

Source: Cadw

Source ID: 3578

Building Class: Domestic

Location: At head of Wybrnant Valley approx 2.5 km NW of Penmachno. Best reached via signposted minor road branching N off Penmachno-Glasgwm road approx 700m W of Penmachno village centre.

County: Conwy

Community: Bro Machno

Community: Bro Machno

Locality: Wybrnant

Traditional County: Caernarfonshire

Find accommodation in


Farmhouse rebuilt in late C16/early C17 incorporating parts of earlier house on site, traditionally held to be birthplace of Bishop William Morgan (1545-1604) translator of first complete Welsh Bible (1588). Restoration by Lord Penrhyn for tercentenary of translation 1888. Restoration by National Trust 1987-88 to mark quatercentenary of translation.


Two-storey house in flat stone slabs with massive foundations. Random slate roof in graded courses (dating from 1987-88 restoration). End chimneys in stone, capped by slabs and discharging to sides. Massive square S chimney (heightened in smaller masonry blocks); less massive N chimney with pronounced lean to S has chimney breast corbelled out c1.8 metres above ground level. Upper floor has 2 almost square windows and smaller window to L. Slate plaque between floors recording history of house dates from 1980's restorations. Entrance doorway (restored to this position 1980's) has stone lintel and jambs. To L one rectangular window and one small square window; to R small square window. At rear, upper floor has two horizontally-proportioned windows, that to R deeper. On ground floor, square-headed door, and to R, small vertically-proportioned window.


Interior arrangements restored 1987-88. Stone flagged floor. Entrance passage with (modern) post-and panel partitions, 2 rooms to R, oak partition (modern) between. To L of passage, hall with chamfered ceiling beams. Large fireplace in end (S) wall, heavy chimney lintel with mortices (indicating former loft). South wall has base of former cruck. Wooden stair (modern) leads to first floor partitioned into 2 rooms (modern). Chamber over hall has 2 deep cupboards flanking chimney. Book room with fireplace. Roof of 3 collar-beam trusses with purlins and 2 tiers of purlins (formerly trenched).

Reasons for Listing

Graded II* for historical associations.

Recommended Books

Other nearby listed buildings

  • II Bwlch-y-Maen
    Reached via drive branching off forest track at SH 782 527.
  • II Carthouse SW of Glyn Lledr
    Located at the end of a short track some 150m SW of Glyn Lledr, at the eastern boundary of the community; accessed via the Ty Mawr lane from the Pont-ar-Lledr. The carthouse is immediately S of the ag
  • II Agricultural Range SW of Glyn Lledr.
    Located at the end of a short track some 150m SW of Glyn Lledr, at the eastern boundary of the community; accessed via the Ty Mawr lane from the Pont-ar-Lledr.
  • II* Pont Gethin
    Spanning the Lledr valley dramatically at the western boundary of the community with that of Betws-y-Coed and spanning the A 470 Llanrwst to Dolwyddelan road; partly in Betws-y-Coed community.

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