8 Y Graig (Sunnyside) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 1 April 1974. Row of houses.
8 Y Graig (Sunnyside)
- WRENN ID
- scarred-pedestal-sparrow
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 1 April 1974
- Type
- Row of houses
- Address
- 8 Y Graig (Sunnyside), Tremadog, Porthmadog
- OS grid reference
- SH 559 402
- Coordinates
- 52.94005, -4.14462
- Source
- Cadw listing
Description
6-8 Sunnyside, Tremadog is a short row of houses constructed from roughly dressed blocks of stone arranged in regular courses, featuring stone lintels and a slate roof with four chimneys. The left end chimney is pebble-dashed, the next is coursed stone, followed by a smaller rebuilt roughcast chimney to the right of center, and a pebble-dashed chimney at the right end.
No. 8, located at the left end, is single-fronted with openings offset to the left of center. Its entrance on the right includes a half-glazed door with an overlight. On the left side, there is a 2-pane hornless sash window, and above it, a similar horned sash window. The left gable end is pebble-dashed in the upper storey and gable, and there is an added wing at the back.
No. 7 is double-fronted, featuring a split boarded door with a thin overlight and 2-pane sash windows, which are slightly wider on the lower left. No. 6 is also double-fronted, with windows and a door that have been replaced in their original openings. A lean-to with a corrugated iron roof is set back on the right side, and the right gable end is pebble-dashed.
This group of houses, 6-8 Y Graig (Sunnyside), is noted for its architectural significance.
Local climate
8 Y Graig (Sunnyside) 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.
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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
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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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