Bwthyn-hedd is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 14 August 2003. Cottage. 2 related planning applications.

Bwthyn-hedd

WRENN ID
slow-niche-wren
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
14 August 2003
Type
Cottage
Address
Bwthyn-hedd, Llanrhaeadr-Ym-Mochnant Village, Llanrhaeadr-Ym-Mochnant, SY10 0JS
OS grid reference
SJ 121 260
Coordinates
52.82501, -3.30458
Source
Cadw listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Bwthyn-hedd is a two-storey cottage dating from the 18th century, constructed from local, randomly laid slate masonry. The roof is also slate, laid in small courses with a tile ridge. A brick chimney projects from the right end of the building, with the slate roof extending over the shoulders of the stack. A small mullion-and-transom window is located on the right side of the cottage, the upper window set beneath the eaves, and the lower window featuring a painted segmental brick arch. The upper window includes an iron casement. A timber-framed gabled porch with lattice sides provides shelter for the entrance door on the left side of the cottage. A lean-to addition is present on the right side, and the building has been extended to the rear. The interior of the cottage has not been inspected.

Local climate

Bwthyn-hedd sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.

It experiences an average of 45 freeze-thaw cycles a year, more than 86% 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 2 transactions since 2003
  • Related listed building consents — 2 applications
  • 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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