11 Heol Tan-y-bryn is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 10 April 2000. House.
11 Heol Tan-y-bryn
- WRENN ID
- weathered-beam-crow
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 10 April 2000
- Type
- House
- Address
- 11 Heol Tan-y-bryn, Abergynolwyn, Tywyn, Llanfihangel-Y-Pennant, Gwynedd
- OS grid reference
- SH 678 069
- Coordinates
- 52.64419, -3.95474
- Source
- Cadw listing
Description
11 Heol Tan-y-bryn is part of a row of houses numbered 1 to 12 on Heol Tan-y-bryn in Abergynolwyn. The houses are constructed from irregular coursed slate rubble and feature slate roofs with red roll clayware ridges, as well as deep eaves and verges. Each house has two storeys and consists of a single bay with a double depth plan, including a lateral passage leading to the entrance. The entrance features a four-panelled door with raised mouldings and a narrow overlight above. Ground floor openings have flush stone lintels, and each floor is fitted with sixteen paned unhorned sash windows, with the upper floor windows being smaller and narrower. The chimneys are grouped on the party walls. At the rear, there is a regular range of two-storey slated service wings, which are whitewashed on the sides and topped with a slate roof and red roll ridges. There are also lean-to additions at the back. The four-panelled door includes glazed upper panels.
Local climate
11 Heol Tan-y-bryn sits in one of the wettest parts of the UK, with an average of 1,360 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 94% of listed buildings.
It experiences an average of 25 freeze-thaw cycles a year, fewer than 73% of listed buildings. Of these, 10 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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