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Penrhyn Mawr

A Grade II Listed Building in Aberdaron, Gwynedd

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Latitude: 52.8023 / 52°48'8"N

Longitude: -4.6857 / 4°41'8"W

OS Eastings: 219050

OS Northings: 326132

OS Grid: SH190261

Mapcode National: GBR GPT9.0FT

Mapcode Global: WH33N.0T0K

Entry Name: Penrhyn Mawr

Listing Date: 26 June 1998

Last Amended: 26 June 1998

Grade: II

Source: Cadw

Source ID: 19997

Building Class: Domestic

Location: Situated S of Aberdaron-Rhiw road on ridge above Penrhyn headland, at end of lane beginning some 2 km E of Aberdaron.

County: Gwynedd

Town: Pwllheli

Community: Aberdaron

Community: Aberdaron

Traditional County: Caernarfonshire

Find accommodation in


Farmhouse, probably earlier C19, to an unusual plan with gable front, outshut sides and central stack, presumably a remote derivative of a Renaissance house plan via later C18 villas (cf Asgill house by Sir Robert Taylor) and then pattern books. Not widely found, the former rectory at St Brides, Pembs, is another. Marked on 1844 Tithe Map as owned by the Nanhoron estate, occupied by William Roberts, with 131 acres (53ha).


Farmhouse, pebbledashed, whitewashed to front with close-eaved low-pitched slate roofs and big whitewashed stack in centre of ridge. Coped gables. Two storeys and attic, with gable facade comprised of a shallow gabled tall centre and outshuts each side, 3-window range. Small centre attic 4-pane sash, large 4-pane sash to first floor centre, narrower window each side in outshut end walls, 2-pane left, 4-pane right. Ground floor has similar narrow 4-pane sash left, 6-pane larger sash centre and door with overlight right. Lean-to on left end wall, added lean-to on right end wall. Rear is similar to front, 4-pane sashes but C20 windows first floor right and ground floor centre and right, no opening ground floor left. Tall chimney on left outshut corner.


Unusual plan with larger rooms back-to-back each side of centre stack, entry and stair to left.

Reasons for Listing

Included as a gentry farmhouse designed to an unusual gable-fronted plan-form.

Other nearby listed buildings

  • II Pencae
    Situated on N side of road to Rhiw some 1.7 km E of Aberdaron.
  • II Milestone
    Situated on S side of road from Aberdaron to Rhiw some 300m E of Pencae.
  • II* Bodwrdda
    Situated in Daron valley, down long drive running E and S from B4413 from junction 2 km SW of Rhoshirwaun.
  • II Bridge at Bodwrdda
    Situated some 130m N of Bodwrdda, carrying drive over Afon Daron.
  • II Felin Bach
    Situated some 150m N of Bodwrdda, on N bank of Afon Daron.
  • II Barn and Stable Range at Blawdty
    Situated on S side of farmyard at Blawdty, opposite farmhouse.
  • II Blawdty
    Situated on S side of Aberdaron to Rhiw road some 2.3 km W of Rhiw.
  • II Pigsties at Blawdty
    Situated on E side of farm courtyard at Blawdty.

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