Meity Isaf is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 17 January 1963. House.
Meity Isaf
- WRENN ID
- final-latch-moon
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 17 January 1963
- Type
- House
- Address
- Meity Isaf, Pontarhydfer, Llywel, Powys
- OS grid reference
- SN 857 261
- Coordinates
- 51.92207, -3.66329
- Source
- Cadw listing
Description
Meity Isaf is a house featuring painted render with a slate roof and rendered end stacks. The northern end stack is part of a large external chimney breast with sloping set offs. Most of the details have been renewed in the 20th century. The house is positioned with its back against the road. The front has a large 20th-century window on each floor to the left and a large 20th-century lean-to on the right, which has a long catslide roof that extends from the main roof. The lean-to includes a 20th-century window at the front and a 20th-century door at the angle to the main front. There is a square chimney shaft at the southeast corner.
On the southern end, there is a small gable-ended single-storey dairy with a stone-tiled roof. The main house has a 20th-century window on the first floor to the left and another on the ground floor to the right. The rear wall features a 20th-century window to the center left and a metal window to the right, both at the first floor. The northern end has a 20th-century loft window to the right of the chimney breast. Below this, at mid-height and partly obscured by a 20th-century addition, is a small blocked 16th-century segmental-pointed single light. A similar blocked window is located to the left of the chimney breast, within the addition, which has been rebuilt since the 1960s.
Inside the 20th-century front addition, there is an original 16th-century pointed chamfered stone doorway made of red sandstone, accessed by two stone steps. The floor levels within the house appear to have been altered, as the blocked northern end windows are situated between floors. There are three ceiling beams, one of which has a hollow chamfer. The modern stairs lead to a narrow southwest pantry that features another similar pointed red stone doorway, which now provides access down steps to the dairy addition but was presumably originally an external doorway. Both doorways have diagonal stops to their chamfers.
Local climate
Meity Isaf sits in one of the wettest parts of the UK, with an average of 1,460 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.
It experiences an average of 53 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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- 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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