Harbour Side, including attached gate piers and wall is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 1 April 1974. Custom house.
Harbour Side, including attached gate piers and wall
- WRENN ID
- winding-spindle-crag
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 1 April 1974
- Type
- Custom house
- Address
- Harbour Side, including attached gate piers and wall, Porthmadog
- OS grid reference
- SH 568 382
- Coordinates
- 52.92282, -4.13031
- Source
- Cadw listing
Description
Harbour Side is a Regency-style, two-storey, two-bay house built of coursed stone that has been painted white. It features a hipped slate roof with projecting eaves, a stone ridge stack to the left of center, and another stone stack behind on the right side. The windows consist of nine-pane hornless sashes in the lower storey (renewed on the left side) and two-pane sashes in the upper storey. The entrance is located in a lean-to porch that is set back on the right side. The door has two round-headed panels and an overlight that includes colored glass and an etched glass depiction of a ship.
At the back of the porch, there is a lower two-storey gabled wing with an end stack and a replacement window at the rear. On the left side of the main house, there is a blocked window in each storey, which is situated under a plain hood mould in the lower storey.
To the right of the porch, there is a gateway with square coursed stone piers and replacement doors. Behind the right-hand pier, there is a contemporary wall made of local stone, although it has been largely rebuilt.
The property has not been inspected.
Local climate
Harbour Side, including attached gate piers and wall sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.
It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% 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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- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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