Walls, Gatepiers and Gates of Llanmaes House is a Grade II* listed building in the Vale of Glamorgan local planning authority area, Wales. First listed on 21 July 2003. Gatepiers and gates.

Walls, Gatepiers and Gates of Llanmaes House

WRENN ID
over-keep-soot
Grade
II*
Local Planning Authority
Vale of Glamorgan
Constituency
Vale of Glamorgan MP: Kanishka Narayan (Lab)
Country
Wales
Date first listed
21 July 2003
Type
Gatepiers and gates
Address
Walls, Gatepiers and Gates of Llanmaes House, Barry, Llan-Maes
OS grid reference
SS 981 694
Coordinates
51.41516, -3.46663
Source
Cadw listing

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

Description

The walls, gatepiers, and gates of Llanmaes House are a notable structure built from local limestone rubble, featuring ashlar piers and steps. At the entrance, there are a pair of square gatepiers with a base and cornice, positioned opposite the front door and elevated by two steps. These gatepiers support wrought iron gates that are not original and are adorned with very large incised vases.

Flanking the gateway, there are walls approximately 2 meters high, topped with a flat stone coping and ramped ends. To the left, the wall connects to a higher structure that includes a pointed arch doorway leading to the service court, which then transitions to a plain later opening. On the right, the wall adjoins a service building featuring a hipped slate roof and a large stack at the corner of the property.

The south wall is characterized by piers and panels of iron railings, creating a clairvoyee effect. This wall extends past the dovecote and along the east side of the garden, where it also incorporates later railings, square piers with pyramid caps, and additional later iron gates. The north wall is constructed of plain rubble.

Local climate

Walls, Gatepiers and Gates of Llanmaes House 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.

More on this building

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  • Detailed attributes — period, style, materials, features
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  • Radon risk assessment
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