Former Dock Offices at Y Felinheli is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 3 October 1996. Offices.
Former Dock Offices at Y Felinheli
- WRENN ID
- dusk-rotunda-saffron
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 3 October 1996
- Type
- Offices
- OS grid reference
- SH 527 678
- Coordinates
- 53.18716, -4.20542
- Source
- Cadw listing
Description
The former Dock Offices at Y Felinheli is a single-storey building with an L-plan layout, featuring slate-hung walls made of fish-scale slates in three alternating colors: grey, purple, and green. The steeply-pitched hipped roofs are adorned with contrasting bands of colored slate and include two rendered chimneys, one located on the front roof hip and the other on the rear ridge.
The hipped end facing the harbour has two 4-light metal casement windows dating from around 1930 to 1950, along with a similar 5-light window and a doorway in a flat-roofed extension to the left, which is also slate-hung to match the main structure.
Filling the angle of the L-plan is a later canted-ended conservatory that features a canted hipped roof and a hipped raised clerestorey, although the glazing has been altered. Inside, there is an earlier 5-light bay window. There are modern additions to the right of the conservatory. The slate-hanging on the exterior may date from the same period as the extensions and windows, which is mid-20th century.
Local climate
Former Dock Offices at Y Felinheli 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
- No related consent applications matched
- 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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