Dovecote at Trewyn House is a Grade II* listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 9 January 1956. Dovecote.
Dovecote at Trewyn House
- WRENN ID
- rough-cobble-equinox
- Grade
- II*
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 9 January 1956
- Type
- Dovecote
- Address
- Dovecote at Trewyn House, Abergavenny, Crucorney, Monmouthshire
- OS grid reference
- SO 329 229
- Coordinates
- 51.90076, -2.97657
- Source
- Cadw listing
Description
The dovecote at Trewyn House is an octagonal structure built in red brick, set on a stone rubble plinth, and topped with a tile roof and a wooden turret. The brickwork is laid in English Garden Wall bond. Each of the eight faces features a tall arched niche, with a doorway located at the base of one face. A timber modillion cornice adorns the top, and the octagonal roof is finished with lead rolls. The turret has an arched opening on each face and is capped with a tented lead roof, which is topped by a ship weathervane.
Inside, the dovecote is lined with nesting boxes, each equipped with a projecting brick cill, with a total of either 764 or 831 boxes. It includes a central revolving post and a potence ladder. The original roof structure is cross framed, though it has been modernized with felt and battening.
Local climate
Dovecote at Trewyn House receives an average of 940 mm of rain a year. This makes it wetter than 72% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 65% of listed buildings.
It experiences an average of 49 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 25 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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