Caffi y Morwr Madog (The Mariner Café) and house is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 30 March 1951. Cafe, house. 3 related planning applications.
Caffi y Morwr Madog (The Mariner Café) and house
- WRENN ID
- young-flue-storm
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 30 March 1951
- Type
- Cafe, house
- Address
- Caffi y Morwr Madog (The Mariner Café) and house, 10 Pencei (Cornhill), Porthmadog, LL49 9AT
- OS grid reference
- SH 568 383
- Coordinates
- 52.92362, -4.13079
- Source
- Cadw listing
Description
Caffi y Morwr Madog (The Mariner Café) is a 3½-storey house and café that features a two-window facade. It is roofed in a single range with Nos 7-9, and is slightly wider than those properties. The building is constructed from distinctive large slate-stone blocks that are laid in regular courses, topped with a slate roof that has added skylights and shared stone stacks. On the lower storey, there are two replacement glazed doors on the right side, leading to the house and commercial premises. To the left, there is a former shop window that consists of a 2-pane horizontal-sliding sash with a replacement top-hung casement above it. The middle and upper storeys feature replacement 4-pane horned sash windows. The property has not been inspected.
Local climate
Caffi y Morwr Madog (The Mariner Café) and house 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
- Sale history — 3 transactions since 2001
- Related listed building consents — 3 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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