Bryn Deunydd Old Chapel is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 15 May 1998. House.

Bryn Deunydd Old Chapel

WRENN ID
peeling-crypt-gilt
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
15 May 1998
Type
House
Address
Bryn Deunydd Old Chapel, Llannefydd
OS grid reference
SH 992 695
Coordinates
53.21328, -3.50981
Source
Cadw listing

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

Description

Bryn Deunydd Old Chapel is a small rectangular chapel built from roughcast rubble, featuring a slated roof with a tiled ridge. The gable parapets are kneelered and slab-coped, and there is a squat end chimney at the rear gable. On the northeast side, there is a boarded and studded door to the right, set within a later 19th-century stopped-chamfered doorframe. To the left, there is a recessed, unhorned original sash window with 16 panes. The southwest side has two additional similar windows, one of which is obscured by a 20th-century timber and corrugated iron lean-to that opens onto a stone-walled yard. Inside, the chapel has a plain two-bay layout with a king-post truss.

Local climate

Bryn Deunydd Old Chapel sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 79% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 50% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% of listed buildings. Of these, 15 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.

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