Carrog is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 17 July 1992. Farmhouse.

Carrog

WRENN ID
final-chapel-fen
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
17 July 1992
Type
Farmhouse
Address
Carrog, Cwm Penmachno, Bro Machno, Conwy
OS grid reference
SH 766 478
Coordinates
53.01331, -3.83991
Source
Cadw listing

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

Description

Carrog is a two-storey, three-window farmhouse that has been extended to the southwest. It is constructed from local rubble stone and features a thin slate roof. On the left side, there is a rectangular stone chimney, while a smaller brick chimney is located on the ridge. The main front of the house faces northwest.

On the first floor, there are three vertically proportioned small-pane casement windows set at the eaves, along with an additional small window to the right. The entrance doorway is located beneath a shallow gabled brick porch. The ground floor has openings beneath deep stone lintels, including one small-pane casement window to the left of the porch and three narrower similar windows to the right, with another doorway to the right of these windows.

At the western corner, there is a single-storey gabled shed built from matching materials, which features a small-pane window in its northwest-facing gable and a brick chimney above. At the rear of the farmhouse, there is a small window set at the eaves with casement glazing, and to the left, a loft doorway accessed by stone steps. On the ground floor, there are two small casement windows.

The authors of The Old Cottages of Snowdonia describe Carrog as one of the finest examples of stone walling in Snowdonia.

Local climate

Carrog sits in one of the wettest parts of the UK, with an average of 1,310 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.

It experiences an average of 46 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 27 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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