Signpost at junction of by-roads to east of Twyn Allws is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 15 March 1996. Road sign.

Signpost at junction of by-roads to east of Twyn Allws

WRENN ID
half-garret-pearl
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
15 March 1996
Type
Road sign
Address
Signpost at junction of by-roads to east of Twyn Allws, Llanfoist Fawr, Monmouthshire
OS grid reference
SO 255 136
Coordinates
51.81667, -3.08212
Source
Cadw listing

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

Description

This is an early 20th century, inter-war, cast-iron road sign located at the junction of by-roads to the east of Twyn Allws. The sign features a black and white banded cylindrical post topped with a ring that is inscribed with 'Monmouth CC'. It has arms that point towards Govilon and Gilwern, which display unusually large lettering. This sign is notable as one of the few surviving examples of early road signs in this region.

Local climate

Signpost at junction of by-roads to east of Twyn Allws 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 75% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 24 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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