Fonmon Cottage is a Grade II listed building in the Vale of Glamorgan local planning authority area, Wales. First listed on 10 September 1982. Farmhouse.
Fonmon Cottage
- WRENN ID
- wild-spandrel-hemlock
- Grade
- II
- Local Planning Authority
- Vale of Glamorgan
- Constituency
- Vale of Glamorgan MP: Kanishka Narayan (Lab)
- Country
- Wales
- Date first listed
- 10 September 1982
- Type
- Farmhouse
- Address
- Fonmon Cottage, Llantwit Major, Cowbridge / Y Bont-Faen
- OS grid reference
- SS 968 688
- Coordinates
- 51.40934, -3.48508
- Source
- Cadw listing
Description
Fonmon Cottage is a two-storey house dating from the 18th century, featuring stone walls and a slate gable roof. It has a large chimney stack on the southwest side and a slender stone stack on the northeast side. The front or southeast wall is clad in stucco. Starting from the southwest end, there is a narrow single light rectangular opening leading to a cupboard above a bench. The ground floor includes a sash window with glazing bars and horns, which has an internal window seat, along with a 20th-century two-light casement window with a top opening light above it. There is also a centrally located ground floor sash window with glazing bars and horns, which was originally a doorway, and a fourth window with glazing bars and horns on the ground floor, accompanied by a two-light window with a top opening light above it.
To the right, there is a single-storey service wing with modern windows and a slate asbestos roof. On the southwest side, a lean-to features a half-glazed door in the front wall and a low two-storey wing behind it, which has a chimney stack on the southwest end and a small sash window on the ground floor with a smaller single-light window above. There is also a lean-to at the rear, which has rounded southwest walls. The rear elevation of the main building includes a rectangular slit opening for the stair.
The interior has not been inspected but is reported to retain joist ceilings, a south fireplace with flanking cupboards, and an arched doorway with voussoirs in the partition wall.
Local climate
Fonmon Cottage sits in one of the wettest parts of the UK, with an average of 1,170 mm of rain a year. This makes it wetter than 90% 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 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 5 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.
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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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