Coed-y-Bleiddiau is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 20 November 2014. Cottage. 1 related planning application.
Coed-y-Bleiddiau
- WRENN ID
- former-soffit-lark
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 20 November 2014
- Type
- Cottage
- Address
- Coed-y-Bleiddiau, Tan-Y-Bwlch, Maentwrog, Gwynedd, LL41 3YT
- OS grid reference
- SH 664 417
- Coordinates
- 52.95652, -3.98975
- Source
- Cadw listing
Description
Coed-y-Bleiddiau is a cottage dating probably to the 18th century, consisting of a single-storey, two-bay main range with a two-storey wing to the rear. The building is constructed from random stone with a hipped slate roof to the main range, featuring a ribbed ridge and hips. Tall stone stacks are present. The eaves overhang deeply, with slate-lined soffits. Small-pane sash windows are fitted throughout. The front of the cottage faces the railway, with a central timber porch and door flanked by windows. A single window is offset to the left of the left elevation. A central rear wing with an upper floor is likely contemporary with the main range. The left side of the wing features a window and door on the ground floor, and a window on the upper floor. A formerly glazed entrance extension on this side has been demolished. A further cat-slide extension is located to the right, and a hipped extension projects from the rear. An additional hipped Ty Bach outbuilding stands at right angles to the rear extension. The gardens contain a memorial stone to Lillian Mary Jackman, who lived 1911-1995, sister of Mrs Johnson. The cottage was not inspected internally, but is said to retain a central entrance lobby with single rooms either side, and a passage leading to a rear stair.
Local climate
Coed-y-Bleiddiau sits in one of the wettest parts of the UK, with an average of 1,440 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 40 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 22 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 — 1 transaction since 2020
- 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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