Cefn is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 12 March 2003. Farmstead.
Cefn
- WRENN ID
- outer-jamb-mint
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 12 March 2003
- Type
- Farmstead
- Address
- Cefn, Llaniestyn, Llanddona
- OS grid reference
- SH 590 803
- Coordinates
- 53.3013, -4.11604
- Source
- Cadw listing
Description
Cefn is a complete enclosed farmstead group that includes a two-storey farmhouse on the left (west) with a garden. To the right (east) of the farmhouse is a small barn and cowhouse, with a stable and cartshed range set at right angles to the right end of the barn. Adjacent to the south gable of the cartshed range is a gateway, and to the left of this is a single-pitched roofed outbuilding, which forms the southern side of an enclosed yard. There is also a modern lean-to addition against the rear (east) wall of the cartshed range. The buildings are constructed of roughly dressed, coursed masonry, while the farmhouse is rendered. The roof is covered with small old slates, featuring a tiled ridge and copings, and has rectangular dressed stone stacks with capping that indicates the extent of the house.
The farmhouse has a two-window range with widely spaced, unequal hornless sash windows, each with 12 panes, positioned directly under the eaves. The ground floor features a glazed porch with a slate roof and a central doorway that spans the width of the front elevation. To the right, there is a single window wing, which may serve as a service bay, with a similar window on the first floor; the ground floor of this wing could not be seen during the survey. The barn to the right is shorter, with a doorway on the left and three ventilation slits on the right; its wide doorway has a segmental head made of dressed stone voussoirs. The lower cowhouse to the right also has a doorway on the left. The stable and cartshed range features doorways with segmental heads of dressed stone voussoirs; to the right (south) are two wide cart bay doors, along with smaller doorways to the left. There is a single window in the south gable apex, and the rear of the range has a modern lean-to addition with wide openings along the east wall. A single-pitched outbuilding runs along the southern side of the cobbled yard, which was not seen during the survey. The gateway to the yard is on the right, while to the left is an embattled garden wall at a lower level, featuring a simple single gateway of tall rails linked at the top, with alternating short rails topped with arrowhead finials.
The interior was not inspected at the time of the survey.
Local climate
Cefn sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°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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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- 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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