Glan-y-Ddol is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 30 May 1996. Cottage.

Glan-y-Ddol

WRENN ID
shadowed-turret-swallow
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
30 May 1996
Type
Cottage
Address
Glan-y-Ddol, Trefriw
OS grid reference
SH 781 632
Coordinates
53.1521, -3.82416
Source
Cadw listing

Also on this page: sale history · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Glan-y-Ddol is a small two-storey cottage built in the early 19th century. It features a modern slate roof and a chimney on the left side, with weather coursing and a plain cornice. There is a single 12-pane sash window recessed on each floor, dating from the 19th century. To the left, slightly set back, is a lean-to porch made of rubble with a slate roof. This porch has a modern door that does not match the character of the building at the front and a boarded store door on the side. At the rear, there is a larger single-storey extension made of rubble, also with a slate roof, which is half-hipped towards the back. The interior was not inspected during the re-survey in January 1996.

Local climate

Glan-y-Ddol sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 76% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, fewer than 51% of listed buildings. Of these, 18 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 — 2 transactions since 2019
  • 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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  2. Parish Church of St. Mary Grade II* 35 m
  3. Llys Llewelyn Grade II 55 m
  4. Trefriw Hall Grade II 59 m
  5. Plas Coch Grade II 72 m
  6. Peniel Welsh Presbyterian Chapel Grade II 82 m
  7. Pont Trefriw Grade II 122 m
  8. The Old Rectory Grade II 296 m
  9. Pont-y-Pandy Grade II 340 m
  10. Tan-y-Celyn Grade II 343 m