Plas Mawr is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 23 November 2004. House. 1 related planning application.
Plas Mawr
- WRENN ID
- blind-bailey-foxglove
- Grade
- II
- Local Planning Authority
- Ceredigion
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 23 November 2004
- Type
- House
- Address
- Plas Mawr, Eglwys Fach, Machynlleth, Ysgubor-Y-Coed, SY20 8SZ
- OS grid reference
- SN 686 956
- Coordinates
- 52.54288, -3.93779
- Source
- Cadw listing
Description
Plas Mawr is a large two-storey house built from coursed rubble stone, featuring a slate eaves roof with brick end stacks and a small brick stack on the right side of the roof slope. The building has a three-window front, with 12-pane hornless sash windows and a central boarded door that has a lozenge-tracery overlight. The openings are topped with long slab lintels and have stone sills. There are two basement windows, and the front door is accessed by four steps. The left end wall is partly covered in slate, and there is a 20th-century lean-to attached. Additionally, there is a door located in the right end wall. The property has not been inspected.
Local climate
Plas Mawr sits in one of the wettest parts of the UK, with an average of 1,290 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 57% of listed buildings. Of these, 18 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
Sign in or create a free account to unlock:
- No EPC on record for this property
- Sale history — 2 transactions since 2015
- Related listed building consents — 1 application
- 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.
Similar buildings
The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.
this building 1 similar nearby listed buildings