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

Bryn Deunydd

WRENN ID
standing-column-spring
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
15 May 1998
Type
Farmhouse
Address
Bryn Deunydd, Llannefydd
OS grid reference
SH 991 696
Coordinates
53.2139, -3.51232
Source
Cadw listing

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

Description

Bryn Deunydd is an L-shaped farmhouse dating from the 18th century, situated behind a low rubble forecourt wall. The building is constructed of whitened rubble and features an old slate roof, with a rubble chimney on the left wing and a rebuilt brick chimney at the center of the main section. The main entrance is off-center and has an original pegged oak doorcase, which was previously sheltered by a late 19th-century canopy porch. To the left of the entrance is a fragmentary 19th-century sash window with a projecting stone sill. The first floor includes a late 19th-century shallow-gabled dormer with a tripartite window consisting of six-pane sections, although the central section has been replaced with modern plain glazing. The attic of the left wing has a similar dormer window, and the ground floor features a 16-pane 19th-century sliding sash window with a projecting sill. The northeast gable end has two 12-pane 19th-century windows, one on each floor.

The main section has a lobby-entry plan, with a wide fireplace in the former hall on the left and a plastered ceiling. To the right of the entrance is the former parlour, which has a stopped-chamfered plastered main beam with rolled stops and plain joists. A 1930s fireplace has a reduced opening, above which are the initials I:R and the date 1715 in large raised plaster letters and figures. To the right of the fireplace is a contemporary cupboard niche with a raised and fielded panelled door. An ex-situ six-panel raised and fielded door connects the former hall to the stairwell, featuring an original oak pegged doorcase. The staircase is a good contemporary dog-leg design with flat, shaped balusters, plain-capped square newels, and a moulded handrail. Further pegged doorcases lead to an upper room and a former wig closet to the left of the end chimney, although the door to the closet is missing.

Local climate

Bryn Deunydd 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.

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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Nearby listed buildings

  1. Agricultural Range at Bryn Deunydd Grade II 42 m
  2. Bryn Deunydd Old Chapel Grade II 181 m
  3. Agricultural Range at Plas Coch Grade II 1.2 km
  4. Primary House at Plas Coch Grade II 1.2 km
  5. Tal-y-Bryn Grade II 1.3 km
  6. Sundial and base at the Church of St Nefydd and St Mary Grade II 1.4 km
  7. Bier-house at the Church of St Nefydd and St Mary Grade II 1.4 km
  8. L-shaped Agricultural Range at Berain Grade II* 1.6 km
  9. Former Carthouse at Berain Grade II 1.6 km
  10. Brewhouse and Pigsty Range at Berain Grade II 1.6 km