Mynydd Bychan Cottage is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 26 August 2005. House.
Mynydd Bychan Cottage
- WRENN ID
- outer-zinc-solstice
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 26 August 2005
- Type
- House
- Address
- Mynydd Bychan Cottage, Trecastle, Llywel, Powys
- OS grid reference
- SN 888 294
- Coordinates
- 51.95265, -3.61835
- Source
- Cadw listing
Description
Mynydd Bychan Cottage is a small house that features white painted roughcast walls and a slate roof with close eaves. The building is two storeys high and has a double-fronted design, with horned sash windows that have six panes each, where the centre pane is narrower. The windows are set on stone sills. At the centre of the front, there is a gabled porch made of painted brick, which includes decorative bargeboards and a half-glazed door. To the right end of the cottage, there is a lean-to structure that has a metal window facing the front. The property has not been inspected.
Local climate
Mynydd Bychan Cottage sits in one of the wettest parts of the UK, with an average of 1,300 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 28 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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