Dower House at Llwyndu is a Grade II* listed building in the Gwynedd local planning authority area, Wales. First listed on 27 November 1986. Cottage.
Dower House at Llwyndu
- WRENN ID
- knotted-jamb-raven
- Grade
- II*
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 27 November 1986
- Type
- Cottage
- Address
- Dower House at Llwyndu, Llanaber, Barmouth
- OS grid reference
- SH 600 185
- Coordinates
- 52.74627, -4.07539
- Source
- Cadw listing
Description
The Dower House at Llwyndu is a 2-storey cottage constructed from rubble, featuring an undulating slate roof and stone-coped, kneelered gable parapets, with boulder foundations. The south gable has a tall end stack with weather coursing and contemporary capping. There is an off-centre doorway on the east side, which requires stepping down to enter, and a small square light positioned below the eaves to the right. Two projecting stones on the south gable support the lintel of the internal fireplace, making them cantilevered. A lean-to addition, likely from the 19th century, is present on the north gable end, with overhanging eaves at the rear. The cottage has two square window openings and a lean-to privy.
Inside, the structure originally had three bays and was formerly storeyed, featuring pegged collar trusses with a ridge beam and purlins. There is a large rubble chimney breast and a broad fireplace that includes a 19th-century brick-lined bread oven.
Local climate
Dower House at Llwyndu sits in one of the wettest parts of the UK, with an average of 1,410 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 26 freeze-thaw cycles a year, fewer than 72% of listed buildings. Of these, 11 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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