3 The Old Inn is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 4 January 1952. House.
3 The Old Inn
- WRENN ID
- plain-cloister-burdock
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 4 January 1952
- Type
- House
- Address
- 3 The Old Inn, Tretower, Llanfihangel Cwmdu with Bwlch and Cathedine, Powys
- OS grid reference
- SO 185 214
- Coordinates
- 51.88575, -3.1849
- Source
- Cadw listing
Description
3 The Old Inn consists of two houses that are joined to form a rough L-shape facing a yard. The buildings are made of rubble sandstone painted white and have stone-tile roofs. The upper house, which includes a rebuilt end, is located on the north side next to the main road, while the lower house is positioned at an oblique angle to the southeast.
The lower house, known as No 3, features a central stack that was rebuilt in the 19th century and an end stack to the right. Its front, facing the yard, has two windows with hoodmoulds and chamfered lintels, and it has recently had casements inserted, with the lower right window widened. The south gable end has two 2-light windows with hoodmoulds in the upper storey, along with a blocked attic window that is offset to the left. There is also a dripstone above a former doorway on the lower left. The rear of the lower house retains the hoodmould of a blocked stair light and has a 2-light casement to its left.
Inside the lower house, the cross passage is still visible, with doorways leading to the hall on the south side and stairs on the north side. Both doorways have Tudor heads, stop-chamfer surrounds, and boarded doors fitted with wrought-iron strap hinges. The hall and parlour feature cross beams with stepped stops, although the original screen has been removed. The hall includes a fireplace with a chamfered wooden lintel and stone baffle walls. In the south wall of the parlour, there is a chamfered lintel from a former doorway. The staircase has wooden treads but is said to have stone beneath it.
Local climate
3 The Old Inn sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.
It experiences an average of 54 freeze-thaw cycles a year, more than 94% 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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- No EPC on record for this property
- Sale history — 1 transaction since 2003
- No related consent applications matched
- 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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