Dol Twymyn is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 5 August 2004. Farmhouse.
Dol Twymyn
- WRENN ID
- south-nave-magpie
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 5 August 2004
- Type
- Farmhouse
- Address
- Dol Twymyn, Cemmaes Road, Glantwymyn
- OS grid reference
- SH 825 048
- Coordinates
- 52.62883, -3.73706
- Source
- Cadw listing
Description
Dol Twymyn is a two-storey farmhouse, likely originally designed as a two-unit structure. It is built from rubble stone, with remnants of lime-wash, and features a renewed slate roof. There is a stone stack at the left end and a lateral stone stack that projects on the right. The left end has large stone quoins. An additional bay, which is slightly set back and has higher eaves, was added to the right end at a later date. The entrance is located immediately to the left of the chimney projection and includes an open lean-to porch that leads to a half-glazed panelled door. The chimney projection has two narrow 20th-century lights, likely flanking the fireplace. To the left of the porch, there is a large inserted metal-framed window with a concrete lintel, probably from the mid-20th century. The upper storey features two 4-pane sash windows, and there are no openings on the east gable end. In front of the added right unit, there is a part-glazed mid-20th-century lean-to, with a 4-pane sash window in the upper storey. The west gable end has a small 20th-century window. The rear of the building was not seen during the inspection, and there was no access to the interior at that time.
Local climate
Dol Twymyn sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 92% 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 46 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 26 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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