10 Mawddwy Terrace is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 4 November 1999. Workers' cottages.
10 Mawddwy Terrace
- WRENN ID
- stubborn-soffit-russet
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 4 November 1999
- Type
- Workers' cottages
- Address
- 10 Mawddwy Terrace, Minllyn, Dinas Mawddwy, Gwynedd
- OS grid reference
- SH 859 142
- Coordinates
- 52.71347, -3.69013
- Source
- Cadw listing
Description
10 Mawddwy Terrace is part of a terrace of eight workers' cottages located in Minllyn, Dinas Mawddwy. Built in the mountain-Gothic style, the cottages are constructed with selected local slate laid on bed and feature slate roofs. The design includes two bilaterally symmetrical cottages that create a large gable at each end, which are set slightly forward to dominate the central cottages. Each cottage has a 4-paned half-glazed door with a plain overlight, and 4-paned horned sash windows on both floors, all topped with triangular heads made of shale voussoirs. The upper floor windows in the central cottages are set within five large raised gabled dormers. The cottages have deep eaves supported by extended purlins and ridges with shaped ends. Stone stacks are located on the party walls, featuring necking strings and outsetting heads. The large gable ends display decorative timber framing in the upper half. Internally, the partitions are reportedly made of slate slabs set on end, which is an innovation attributed to Buckley and his architect, James Stephens. This terrace is part of the group of cottages numbered 7 to 14 Mawddwy Terrace.
Local climate
10 Mawddwy Terrace sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 47 freeze-thaw cycles a year, more than 88% of listed buildings. Of these, 26 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 3 transactions since 2001
- 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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