Outbuilding on W side of Llanddewi Hall is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 30 November 2004. Outbuilding.

Outbuilding on W side of Llanddewi Hall

WRENN ID
distant-arch-grove
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
30 November 2004
Type
Outbuilding
Address
Outbuilding on W side of Llanddewi Hall, Llanddewi Ystradenny
OS grid reference
SO 108 687
Coordinates
52.30937, -3.30941
Source
Cadw listing

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

Description

This is a lofted outbuilding located on the west side of Llanddewi Hall. It is constructed of rubble stone with a weatherboarded eastern front that faces the main house, topped with a slate roof. The eastern front features a wide doorway on the left, followed by a boarded door, another wide doorway, and two open bays at the right end, where the loft has been removed. The loft still has a single two-light window on the left side. The left gable end is made of brick and includes a window beneath a flat arch. At the rear, there is a central brick gablet with a flat arch leading to boarded loading doors. The right gable end has a blocked loft window beneath a brick segmental head.

Local climate

Outbuilding on W side of Llanddewi Hall sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 73% of listed buildings.

It experiences an average of 51 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 30 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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  • 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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