Bryn Mair is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 June 1990. House. 1 related planning application.
Bryn Mair
- WRENN ID
- knotted-roof-khaki
- 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
- House
- Address
- Bryn Mair, Dolgellau, Gwynedd, LL40 1SR
- OS grid reference
- SH 726 176
- Coordinates
- 52.7411, -3.8883
- Source
- Cadw listing
Description
Bryn Mair is a three-storey house with a cellar, featuring two windows on the front. It is constructed from coursed, squared rubble masonry and has a gently pitched quarry slate roof. The building has deep boarded eaves and verges, with ashlar stacks that have grouped flues on bases and moulded caps.
The right-hand gabled bay is advanced and includes a narrow outshot at the center and a gablet to the left. The second floor has 16-pane sash windows, while the first floor features 20-pane sashes with stone lintels. There is a 20-pane sash window on the ground floor to the right, but the original doorway is obscured by a modern single-storey, flat-roofed stone extension. Victorian sashes are present on the side of the central outshot.
The garden front is similar, with a broader advanced gabled bay to the right and a gablet to the left. It also has 16-pane sash windows on the second floor and 20-pane sashes on the first floor, again with stone lintels. The glazing bars have been removed from the ground floor right sash window. There is a canted bay with a corniced top on the left, featuring a 12-pane front sash and narrow sash sidelights.
The rear elevation includes an outshot at the center that houses the staircase, along with a gabled dormer above. A narrow alley runs alongside the left side of the house, with slate slabs forming the roof over what was originally a two-storey structure containing privies. The entrance doorway is located off the hillside at the second-floor level, topped with a gabled hood on brackets.
Inside, there is a depressed hall arch with a panelled soffit and pilasters. The staircase is notable for its good contemporary design, featuring square newels with strapwork finials and pendants, alternating turned and sinuous balusters, and moulded tread ends. The interior also includes six-panel doors, deep panelled splays, moulded architraves, panelled shutters, chimneypieces, and a buffet recess.
Local climate
Bryn Mair 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 — 3 transactions since 2007
- 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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