Pen-y-Gongl is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 29 January 1999. Cottage.

Pen-y-Gongl

WRENN ID
second-vault-umber
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
29 January 1999
Type
Cottage
Address
Pen-y-Gongl, Rhyd-Ddu, Caernarfon, Betws Garmon, Gwynedd
OS grid reference
SH 569 528
Coordinates
53.05384, -4.13599
Source
Cadw listing

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

Description

Pen-y-Gongl is a single-storey cottage constructed from roughly coursed rubblestone, with some traces of limewash and a rendered right gable end. The cottage has a slate roof and features a two-room plan, with the left room being unheated. There is a lean-to outshut at the rear, and the slight continuation of the front wall beyond the right gable end suggests that there may have been an outbuilding or another cottage attached to the right side. The windows on either side of the central boarded door, which has a small glazed panel, are late 20th-century horned 12-pane glazing bar sashes. A substantial integral end stack with slate drips is located on the right side. The cottage was not accessible at the time of the survey.

Local climate

Pen-y-Gongl 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 95% 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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  • 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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