3 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. 1 related planning application.
3 Heol Tan-y-bryn
- WRENN ID
- fossil-transept-swift
- 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
- 3 Heol Tan-y-bryn, Abergynolwyn, Tywyn, Llanfihangel-Y-Pennant, Gwynedd, LL36 9UY
- OS grid reference
- SH 678 069
- Coordinates
- 52.64394, -3.95518
- Source
- Cadw listing
Description
3 Heol Tan-y-bryn is a row of twelve houses, located in Abergynolwyn. The houses were built of irregular coursed slate rubble with slate roofs, red roll clayware ridges, and deep eaves and verges. Each house is two storeys high with a double-depth plan and a lateral passage to the entrance. They each feature a four-panelled door with raised mouldings, a narrow overlight, and glazed upper panels. Flush stone lintels are above the ground floor openings. The houses have sixteen-paned sash windows on both floors, with the upper floor windows being smaller and narrower. Chimneys are grouped on the party walls between the houses. At the rear is a regular, two-storey slated service wing, whitewashed to the sides, with a slate roof and red roll ridges, along with lean-to additions. The windows are original.
Local climate
3 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 3 transactions since 1998
- 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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