Outbuilding N of Llwynau is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 18 November 1980. A Not specified Outbuilding.

Outbuilding N of Llwynau

WRENN ID
white-doorway-onyx
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
18 November 1980
Type
Outbuilding
Period
Not specified
Address
Outbuilding N of Llwynau, Bertholey, Usk, Llantrisant Fawr
OS grid reference
ST 395 952
Coordinates
51.65274, -2.87523
Source
Cadw listing

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

Description

The outbuilding north of Llwynau was originally an outside kitchen. It is constructed from colourwashed rubble stone and features a renewed slate roof, which replaced the original Bridgewater clay tiles. The building is one storey with a loft and has a short square stack at the left end.

The gable end includes a 20th-century glazed door on the ground floor to the left, which leads up a flight of eight stone steps to a central loft door, also with a 20th-century glazed door. The left side wall has a 20th-century three-light oak mullion window. The lower range on the rear gable replaces a lean-to and is windowless facing the yard. The right side of the main part has a 20th-century two-light window on the left and a lean-to on the right. The rear range features a 20th-century window next to a glazed door, with a rendered end wall that includes a 20th-century two-light window and a single light window.

While the interior has not been inspected, it is said to contain an inglenook fireplace with stone jambs and a wood lintel, along with adjoining spiral stone steps.

Local climate

Outbuilding N of Llwynau receives an average of 890 mm of rain a year. This makes it wetter than 66% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 66% of listed buildings.

It experiences an average of 41 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 18 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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  • Detailed attributes — period, style, materials, features
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  4. Outbuilding by SE corner of Whitehall Farmhouse Grade II 626 m
  5. Outbuilding block to N of Bertholey Grade II 718 m
  6. Former Farmhouse Range at Bertholey Grade II 732 m
  7. Dovecote at Bertholey Grade II 752 m
  8. Stable/Cartshed block at Bertholey, including attached wall and lean-to to west Grade II 756 m
  9. New Bridge Grade II* 1.1 km
  10. New Bridge Grade II* 1.1 km