Cwmdeuddwr Arms is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 31 July 1995. House - terrace.

Cwmdeuddwr Arms

WRENN ID
old-pinnacle-ebony
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
31 July 1995
Type
House - terrace
Address
Cwmdeuddwr Arms, Rhayader
OS grid reference
SN 969 679
Coordinates
52.29988, -3.51209
Source
Cadw listing

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

Description

The Cwmdeuddwr Arms is a two-storey building divided into two sections. The left section is made of painted stone, while the right section features weatherboarding over timber framing. It has a slate roof and a central stone chimney. On the left, there are two stone window sections, each with 16-pane hornless sash windows on both floors. The right section also has two windows on each floor, with 16-pane hornless sash windows, and includes a boarded entrance door. Additionally, there is a lean-to on the right with a boarded door and a small sash window. A large extension is located at the rear. This building is noted for being a good example of local architectural style, combining weatherboarding and stone building techniques.

Local climate

Cwmdeuddwr Arms sits in a wetter-than-average part of the UK, with an average of 1,160 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 81% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 27 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
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  • 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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