Clywedog House is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 26 August 1988. Bank. 1 related planning application.
Clywedog House
- WRENN ID
- vast-dormer-soot
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 26 August 1988
- Type
- Bank
- Address
- Clywedog House, 45 Long Bridge Street, Llanidloes, SY18 6EF
- OS grid reference
- SN 954 846
- Coordinates
- 52.44939, -3.5397
- Source
- Cadw listing
Description
Clywedog House is a three-storey building with a five-window facade made of red brick in Flemish bond, which has been colourwashed at No 46. It features a slate roof with a toothed brick eaves cornice and brick chimney stacks. There is a decorative band over the ground floor, along with painted quoins and a plinth at No 46. The original windows include 8 and 16-pane sash windows at No 44, with the central window having brick voussoirs; a white painted section may be hiding a plaque. The ground floor has a cambered coach entry at the center that leads to a rear yard. Nos 44 and 45 have later plain paired shop fronts with ramped fascias; there is a three-light window to the left, a ventilation band to the right, and doorways at both ends. The windows at No 46 are broader, and there is a slightly offset doorway with a modern hotel sign. The right gable end is slate hung. Inside the passage, the brick is whitewashed, featuring a boarded door and blocked openings. The rear of the building is half-timbered, with thinly cut timbers and brick nogging, and there is a later short gabled cross range to the Elephant Hotel made of red brick in English garden wall bond. The windows are mainly horned 4-pane sashes, with two cross frame windows at No 44. There are also modern extensions.
Local climate
Clywedog House sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.
It experiences an average of 53 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 32 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.
- No sale records on file
- 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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