Bwthyn is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 January 2001. Cottage. 1 related planning application.
Bwthyn
- WRENN ID
- frozen-frieze-plover
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 31 January 2001
- Type
- Cottage
- Address
- Bwthyn, Rhiwlas, Bala, Llandderfel, LL23 7NP
- OS grid reference
- SH 925 372
- Coordinates
- 52.92188, -3.59989
- Source
- Cadw listing
Description
This is a pair of one-and-a-half-storey cottages, known as Bwthyn, built in an L-plan arrangement to form a U-shaped terrace. They were constructed in orange brick with slate roofs, and feature slate lintels and projecting sills. The chimneys are of brown brick and are centrally located, topped with 20th-century pots and flaunchings. Each cottage has an off-centre entrance with a boarded door and a 3-pane overlight. This is flanked by four-pane Victorian sash windows on both floors. The first-floor windows break the eaves, set within broad gabled dormers with simple bargeboards, with paired dormers centrally located. The rear wings of each cottage have single four-pane sashes to each floor, and a single-storey lean-to block connects the projecting wings. The interior of the cottages was not inspected at the time of survey.
Local climate
Bwthyn 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 80% of listed buildings.
It experiences an average of 53 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 33 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2022
- Related listed building consents — 1 application
- 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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