Farmhouse at Plas Cemlyn with curved walling to north and wall incorporating goose pens to south is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 27 November 2000. Farmhouse.

Farmhouse at Plas Cemlyn with curved walling to north and wall incorporating goose pens to south

WRENN ID
inner-merlon-finch
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
27 November 2000
Type
Farmhouse
Address
Farmhouse at Plas Cemlyn with curved walling to north and wall incorporating goose pens to south, Cylch-Y-Garn
OS grid reference
SH 331 928
Coordinates
53.40557, -4.51192
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Plas Cemlyn is a 2-storey farmhouse with an attic, featuring three windows on its main facade and a 2-storey servants wing at the rear. To the right side, there is a lofted dairy. The farmhouse has rubble walls and rubble voussoir lintels on the main elevation, topped with a purple slate roof that has interlocking ridge tiles. Gable end chimneys, which are rendered and capped, are present, with the larger chimney on the left side serving the inglenook. The symmetrical main elevation is slightly offset to the right and includes a central gabled porch with a glazed door featuring margin panes, flanked by 4-pane sash windows. The first-floor sash windows are of reduced height. Modern windows have been added to the right gable and the rear elevations.

The servants wing at the rear has a tall gable end chimney and an external stone staircase leading to the former headman's accommodation on the first floor. It features modern small-paned windows on the ground floor and small 4-paned horned sashes on the first floor. The dairy wing also has a gable end chimney with capping and a 4-pane sash window on the west elevation.

In the eastern angle between the house and the dairy, there is a former horse works bounded by a curving stone wall that forms an arc, which includes a blocked archway at the south end. Attached to the south side of the farmhouse is a high stone garden wall that incorporates a row of recessed bays at ground level on the west side. These stone boxes, roofed with rough slabs, have openings narrowed with brick facings, likely used as nesting boxes for geese or ducks.

The interior was not inspected during the survey.

Local climate

Farmhouse at Plas Cemlyn with curved walling to north and wall incorporating goose pens to south sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 2 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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Nearby listed buildings

  1. Agricultural range at Plas Cemlyn Grade II 29 m
  2. Hammels at Plas Cemlyn Grade II 68 m
  3. Old farmhouse at Plas Cemlyn Grade II 76 m
  4. Lychgate at Church of St Rhwydrys Grade II 986 m
  5. Church of St Rhwydrys Grade II* 998 m
  6. Mill house at Felin Gafnan Grade II 1.3 km
  7. Corn drying house at Felin Gafnan Grade II 1.4 km
  8. Stable with servants quarters at Caerau Grade II 1.4 km
  9. Corn Mill at Felin Gafnan Grade II* 1.5 km
  10. Caerau Grade II* 1.5 km