Tan'r Allt is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 June 1990. Former hotel. 1 related planning application.
Tan'r Allt
- WRENN ID
- brooding-stair-clover
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 19 June 1990
- Type
- Former hotel
- Address
- Tan'r Allt, Bryn Teg, Dolgellau, Gwynedd, LL40 1ST
- OS grid reference
- SH 727 175
- Coordinates
- 52.74054, -3.88608
- Source
- Cadw listing
Description
Tan'r Allt is a three-storey, three-window house built with coursed rubble masonry. It features a moderately pitched slate roof with a plain eaves cornice and modern bargeboards at the verges, along with stone stacks. The second-floor window on the right has a shallow upper sash with nine panes. The left and centre windows are modern small-paned designs, all having stone lintels. On the first floor, there are twelve-pane sash windows in the centre and on the right, with a modern window on the left, all also featuring stone lintels.
The ground floor includes later 19th-century canted bays, with French windows on the right and sash windows on the left, both topped with cornices and flat roofs. In the centre, there is an open corniced porch supported by Tuscan columns and pilasters, leading to a six-panel door with the upper four panels glazed. Additionally, a later gabled, storeyed porch, dated 1899, has been added to the left end elevation, featuring stone lintels and Victorian sashes.
Local climate
Tan'r Allt sits in one of the wettest parts of the UK, with an average of 1,340 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 52% of listed buildings. Of these, 17 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
- Sale history — 1 transaction since 2023
- 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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