Sarn-newydd is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 4 November 1999. Farm building.
Sarn-newydd
- WRENN ID
- grim-vestry-vermeil
- 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
- Farm building
- Address
- Sarn-newydd, Dinas Mawddwy, Machynlleth, Mawddwy, Gwynedd
- OS grid reference
- SH 863 171
- Coordinates
- 52.73962, -3.68456
- Source
- Cadw listing
Description
Sarn-newydd is a 19th-century farm building constructed from white quartzite boulders and rubble, topped with a slate roof across three bays, with corrugated iron covering the northern end bay and the rear. The structure features a four-bay layout, likely serving as a cowhouse, with a stable and store located at the southeast end, facing the road. The front has three stable-type doors and two very narrow slit vents towards the southeast end. A single door at the rear leads into a small stock yard. The stable section is wider, with an extended roof at the front over a longitudinal store, along with a stable door and a pitching door in the end gable.
Inside the main barn area, the construction includes four pairs of full crucks that span 4.6 meters, set on stone pads, featuring halved-in tie and collar beams, and a tenoned apex. These trusses support two tiers of heavy splay-scarfed purlins and an angled ridge piece, forming four nearly equal bays of about 3.37 meters. The soffits of the collars and ties are drilled for staves, likely originally intended to support wattle and daub, and there is one mortice for a vertical stud. The frame is secured with double square tosh-pegs, and the tie beams extend onto plates on the wall heads. The rafters, which also appear to be original, are drilled for pegs. The northern end bay is partially floored and features a continuous manger along the rear wall, separated from the front store by a timber partition.
Local climate
Sarn-newydd 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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- 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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