R & G Wynne Williams is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 June 1990. House.
R & G Wynne Williams
- WRENN ID
- under-plinth-oak
- 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
- R & G Wynne Williams, Dolgellau, Gwynedd
- OS grid reference
- SH 728 178
- Coordinates
- 52.74294, -3.8855
- Source
- Cadw listing
Description
R & G Wynne Williams is a three-storey building with a cellar, featuring a two-window facade. It is constructed from coursed rubble masonry and has a moderately pitched slate roof that is hipped to the south, with plain eaves and a stone stack with water tabling.
On the second storey, there are two Victorian sash windows, each with stone lintels and sills. The first floor has similar but deeper windows. The ground floor to the left has a late 19th-century doorcase, which includes a dentil cornice with ironwork cresting, brackets, and sunk panelled pilasters. Above the part-glazed door, there is a rectangular fanlight. To the left, there is a modern window, and to the right, a modern shopfront that covers evidence of a blocked doorway.
The building has a similar two-window arrangement on the second and first floors facing Eldon Square, which is above a continuous modern shopfront. On Mill Street, there is a one-window elevation with Victorian sashes on both the second and first floors, along with a later inserted diamond window to the left on the first floor. The ground floor to the left features a rectangular bay window with an oversailing hipped slate roof, sunk panelled pilasters, and Victorian sashes. There are iron railings with dogbars and a gate leading to the cellar stairwell on the right.
Additionally, there is a three-storey, two-window house set back to the left, which is part of the Mill Street elevation. It has deep plastered eaves and Victorian sash windows with stone lintels. The ground floor openings are offset to the right, and there is Art Nouveau glass in the door and window on the first floor to the left. The property includes a railed forecourt and a cellar stairwell.
Local climate
R & G Wynne Williams 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
- 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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