Bryn Heulog is a Grade II listed building in the Merthyr Tydfil local planning authority area, Wales. First listed on 13 January 1988. House.
Bryn Heulog
- WRENN ID
- muted-flint-ash
- Grade
- II
- Local Planning Authority
- Merthyr Tydfil
- Constituency
- Merthyr Tydfil and Aberdare MP: Gerald Jones (Lab)
- Country
- Wales
- Date first listed
- 13 January 1988
- Type
- House
- Address
- Bryn Heulog, Thomastown, Town, CF47 0ER
- OS grid reference
- SO 052 062
- Coordinates
- 51.74668, -3.37441
- Source
- Cadw listing
Description
Bryn Heulog is a 2-storey, 4-bay Regency-style building featuring a stucco exterior and a hipped roof that is both tiled and slated. The building has a central pediment and a rendered chimney above wide eaves supported by arched brackets. There is a sill band present. The ground floor has sash windows with glazing bars on the right side only, while the left side has modern small-pane windows. The entrance bays are set back and have transverse gables, adorned with Tuscan doorcases, although there is a modern porch on the left.
Local climate
Bryn Heulog sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 44 freeze-thaw cycles a year, more than 85% of listed buildings. Of these, 22 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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