Cae Gwyn is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 18 April 1997. Estate house. 2 related planning applications.

Cae Gwyn

WRENN ID
high-chimney-bistre
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
18 April 1997
Type
Estate house
Address
Cae Gwyn, Y Felinheli, LL56 4JN
OS grid reference
SH 527 677
Coordinates
53.18668, -4.20553
Source
Cadw listing

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

Description

Cae Gwyn is a two-storey estate house built in a picturesque L-plan design, constructed from pink square rubble stone with slate roofs and brick stacks. The house dates from the 19th century and features a crosswing that projects to the right, adorned with ornate bargeboards in three curves. The first floor has two close-set long sashes with plate glass and stone voussoirs, while the ground floor boasts a large canted bay with a hipped canted roof, 2-pane side lights, and a wide 4-pane front light, supported by pilasters. The eaves are enhanced with fretted brackets, and the crosswing is topped with a brick ridge stack.

To the left, there is a set-back entrance wing with a half-hipped left end and a rear-wall stack. This wing has a two-window range on the upper floor, featuring two 4-pane sashes that break the eaves; the right sash is under a hipped roof, while the left is slightly taller under a half-hipped roof. The ground floor includes a panelled door with stained glass in the overlight to the right and a half-round bay to the left. This bay has smaller sashes similar to those in the crosswing, along with matching pilasters and eaves brackets, but it features a flat roof with a crenellated parapet.

The right side of the crosswing is finished with slate-hung walls, a large half-hipped gable, and a smaller hipped half-dormer, with 4-pane sashes completing the design.

Local climate

Cae Gwyn sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 23 freeze-thaw cycles a year, fewer than 75% of listed buildings. Of these, 11 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
  • No sale records on file
  • Related listed building consents — 2 applications
  • 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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  6. Former Railway Station Grade II 110 m
  7. Dock System at Y Felinheli Grade II 161 m
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  10. Chimney Stack at South Dock Grade II 375 m