Preswylfa is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 6 December 1999. Cottage.
Preswylfa
- WRENN ID
- eternal-mullion-rush
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 6 December 1999
- Type
- Cottage
- Address
- Preswylfa, 9 Hillsborough Terrace, Corris Uchaf, Machynlleth, Corris
- OS grid reference
- SH 740 089
- Coordinates
- 52.66315, -3.86397
- Source
- Cadw listing
Description
Preswylfa is a row of 10 workers' cottages located at Nos 1-10 Hillsborough Terrace in Corris Uchaf. Built with rubble stonework and whitewashed on the front, these cottages feature slate roofs and are arranged in a straight line. Each cottage consists of a single two-storey bay, with a lateral framed and boarded door, and 16-pane sash windows on both the ground and first floors. There are transverse stone stacks on the party walls, and various alterations have been made at the rear. One cottage has a late 19th century 4-pane sash window on the ground floor.
Local climate
Preswylfa sits in one of the wettest parts of the UK, with an average of 1,340 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 52% of listed buildings. Of these, 17 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 — 4 transactions since 2000
- 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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