Middle Maestorglwydd Barn is a Grade II* listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 19 November 1963. Shop, terrace.
Middle Maestorglwydd Barn
- WRENN ID
- eternal-postern-primrose
- Grade
- II*
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 19 November 1963
- Type
- Shop, terrace
- Address
- Middle Maestorglwydd Barn, Llanigon, Powys
- OS grid reference
- SO 214 374
- Coordinates
- 52.0296, -3.14707
- Source
- Cadw listing
Description
Middle Maestorglwydd Barn is a 17th-century structure built from roughly coursed and squared stone, with a roof made of corrugated asbestos and metal. On the south side, there are inserted barn doors that have been renewed, located under a shingled rooflet. To the west, there is a 16th-century plain oak doorframe with a timber lintel and a stone label. The east side features a stone window opening, possibly from the 16th century, under a stone lintel. The east end has a half-hipped roof and a 16th-century window above the eaves, originally designed as a four-light window, with a timber lintel and a stone label that spans the full width of the stonework. There is also a two-hole dovecote.
On the north side, there are inserted barn doors within an old oak frame. To the east, there is a 16th-century light with a recessed chamfered oak frame and a timber lintel, which was formerly a two-light window. To the west, there is a blocked 16th-century door featuring a neatly coursed two-centred arch, a stone label, and a 16th-century window, which is similar to the previous one. The west end has been rebuilt in the 18th or 19th century and includes a slit vent.
The barn consists of four bays constructed using cruck frames, with the end trusses embedded in the gables. There are pairs of curved lower windbraces, with two missing in the west bay. The rafters and purlins are generally intact, and the crucks have spur-ties for timber-framed wallplates. The east intermediate truss features cusped arch-braces to the collar, although the infill is missing, and there is a head-beam for a canopy below. The central open truss in the hall has chamfered arch-braces to the collar and trefoils above, while the west cruck is split and partly missing. The lowest bay retains its original upper floor joists, and there is a doorway lacking a head in the intermediate truss.
Local climate
Middle Maestorglwydd Barn 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 50 freeze-thaw cycles a year, more than 91% 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
- No sale records on file
- 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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