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Tyn Llwyn

A Grade II Listed Building in Llanwnda, Gwynedd

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Latitude: 53.0953 / 53°5'42"N

Longitude: -4.2263 / 4°13'34"W

OS Eastings: 251022

OS Northings: 357655

OS Grid: SH510576

Mapcode National: GBR 5K.95TB

Mapcode Global: WH54S.1GRG

Entry Name: Tyn Llwyn

Listing Date: 4 August 1998

Last Amended: 28 May 1999

Grade: II

Source: Cadw

Source ID: 20275

Building Class: Domestic

Location: Situated approximately 0.5km north of Rhosgadfan on its own in pasture fields at the head of the no-through road to Bod Owen; low rubblestone wall in front.

County: Gwynedd

Town: Caernarfon

Community: Llanwnda

Community: Llanwnda

Locality: Rhosgadfan

Traditional County: Caernarfonshire

Find accommodation in


Shown on the 1839 Tithe Map, this substantial smallholder's cottage was probably built in the early C19. The section to the right of the ridge stack possibly originally functioned as a kitchen but may have been a separate unit of accommodation. The lean-to cowhouse to the right gable end and the lean-to set back from the left gable end are later C19 additions.


Cottage and attached cowhouse. Cottage of single-storey 2-room plan with small catslide outshut to rear on left, the main cottage aligned roughly north-east to south-west, with further room, also with catslide outshut to rear, under same roof line to south-west; this has lean-to cowhouse attached to gable end, its north-east wall rising above slope of main roof and catslide roof to rear to give additional height. Similar lean-to on north-east gable end of cottage but set back, its south-west wall also rising above the main roof slope; this lean-to has been extended to the front by C20 lean-to additions. Roughly coursed rubblestone, mainly limewashed but rendered to left gable end and without surface finish to right of ridge stack; grouted slate roof. Main cottage has 4-paned sash window to either side of offset boarded door under shallow gabled porch with basket arch; substantial integral end stack to left and ridge stack to right at junction with third room which has boarded door to right of stack and 6-paned window to right; small rooflight directly above door. Cowhouse has boarded door to front and left lean-to has narrow painted brick chimney to north-east corner; small windows to rear outshuts.


Room to L of entrance has blocked fireplace, and is ceiled at purlin level. Room to R has low ceiling with loft (formerly croglofft?) entered from very small room to rear.

Reasons for Listing

Included as a substantial and particularly well-preserved early C19 smallholder's cottage, retaining its traditional character and detailing, extending even to the limewashing applied only to the principal house part; forms a distinctive component in the landscape of settlement/encroachment associated with the dual economy of subsistence agriculture and slate quarrying.

Other nearby listed buildings

  • II Glan Gors
    Located approximately 0.5km north-east of Rhosgadfan close to and below the no-through road from Tyn Lwyn to Hafod Owen; rubblestone wall to road with slate path leading to cottage.
  • II Cae'r Gors
    Located on the left side of the road from Rhostryfan to the crossroads in Rhosgadfan, the cottage has a low rubblestone wall to the front and a high rubblestone wall with iron gate to the road.
  • II Rhosgadfan House
    Located at the end of a short driveway by sharp bend on the road between Rhosgadfan and Rhostryfan; the cottage has a low rubble wall (mainly drystone) to front.
  • II Tegfan and adjoining cottage to right
    Situated on south-east side of road in Rhosgadfan; rubblestone wall in front to pavement, original stone-on-edge coping mostly replaced with concrete finials and horizontal steel railing; iron gate to
  • II Drystone-walled Field System at Tan-y-braich
    Set in a remote moorland location enclosing smallholder's cottage and attached cowhouse.
  • II Tan-y-braich
    Located in a remote moorland position within its own remarkably regular and well-preserved small field system; a small open hay barn sits directly behind the cottage.
  • II Tyddyn-Difyr and associated field walls
    Situated in isolated location above and to the north-east of Rhosgadfan on moorland edge within its own drystone-walled small field system, reached by a rough track from the road.
  • II Hay Barn at Bodgarad
    Situated behind the other farmbuildings to the east of the farmhouse at Bodgarad.

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