Tremafon is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 31 January 1997. House.
Tremafon
- WRENN ID
- turning-cloister-burdock
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 31 January 1997
- Type
- House
- Address
- Tremafon, Bont Dolgadfan, Llanbrynmair
- OS grid reference
- SH 886 002
- Coordinates
- 52.58864, -3.64456
- Source
- Cadw listing
Description
Tremafon is a house that features a rock-faced rubble lower section and a timber-framed upper floor front, which is infilled with finely laid red brick. It has slate roofs and is bilaterally symmetrical in design. The entrance doors are located near the center and are separated by a projecting stone screen wall. Each outer bay has a wide gable that jetties from black painted jowled timber posts, which rise from an outsetting plinth. The gables have vertical studs with small curved braces in the end bays. The roof projects outward, with bargeboards that are cut with openwork acorn motifs inspired by the family arms. There are red brick stacks on the inner side of each gable. The windows are leaded wooden, with the main gable window being six lights wide, and there are gabled dormers above the center bays that have similar but smaller bargeboards. The ground floor windows feature blue-brick sills set in stonework. A datestone is set in the wall of Tremafon, carved with family arms and the initials D.W.S, dated 1912. It is noted that the windows and door of Brynawel have been replaced.
Local climate
Tremafon sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% of listed buildings.
It experiences an average of 47 freeze-thaw cycles a year, more than 89% 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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Nearby listed buildings
- Brynawel
- Bont Dolgadfan Independent Chapel, with railed forecourt
- Bont Dolgadfan
- Glantwymyn
- Bethel Chapel and Forecourt Railings
- Bont Pandy mill and mill house, formerly known as Gelli-dymyll Mill.
- Former grain and timber kiln
- Sundial in the Churchyard of the Church of St Mary
- Church of St Mary
- Hafod y Llan, also known as the Old Rectory