Talwrn Bach is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 28 January 2004. House. 1 related planning application.
Talwrn Bach
- WRENN ID
- endless-sentry-soot
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 28 January 2004
- Type
- House
- Address
- Talwrn Bach, Llanfechain, SY22 5LQ
- OS grid reference
- SJ 172 187
- Coordinates
- 52.76003, -3.22756
- Source
- Cadw listing
Description
Talwrn Bach is a timber-framed house, likely dating from around 1640. The south side displays the timber frame externally, with some evidence on the north side. The main walls consist of a plain, square timber frame arranged in three vertical panels. A large timber-framed porch is situated on the south side, directly opposite the central chimney. A large dormer window, positioned towards the left side of the house, incorporates two windows and features decorative curved corner braces, which align with the building’s date of 1640, as carved into the tie beam. Dormer windows and six lower windows have been fitted into the original timber panelling. The timber framing is painted black and white, while the gable walls and a rear lean-to extension are painted white. The roof is slate, with artificial slates at the rear of the main section. Brick chimney stacks are located centrally and at the ends, and are unpainted. A flat-roofed dormer and modern windows are present at the rear. The interior has not been inspected, but it is believed to retain evidence of a dais canopy, post-and-panel partitioning, and fireplace timber framing.
Local climate
Talwrn Bach 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 lower than that of 56% of listed buildings.
It experiences an average of 43 freeze-thaw cycles a year, more than 84% 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2021
- Related listed building consents — 1 application
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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