Gwarcwm Isaf old farmhouse is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 28 May 2004. Farmhouse.

Gwarcwm Isaf old farmhouse

WRENN ID
low-brass-kestrel
Grade
II
Local Planning Authority
Ceredigion
Constituency
Ceredigion Preseli MP: Ben Lake (PC)
Country
Wales
Date first listed
28 May 2004
Type
Farmhouse
Address
Gwarcwm Isaf old farmhouse, Machynlleth, Llangynfelyn
OS grid reference
SN 667 915
Coordinates
52.50592, -3.96437
Source
Cadw listing

Also on this page: EPC · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Gwarcwm Isaf is a small farmhouse dating from the 19th century, featuring two storeys and three bays. It is constructed of rubble stone with a slate gabled roof, a rubble stone chimney on the right, and a red brick chimney on the left. The eaves are close, and the facade is offset to the right. The first-floor windows have wooden lintels at the eaves, while the ground-floor openings have flat arched heads with split stone voussoirs. There is a central door, but all openings have been boarded over since 2003. In a photograph from 1980, the farmhouse was noted to have 19th-century sash windows.

The left-hand return is made of rubble stone and features a wooden-lintelled doorway to the ground floor at the rear. The right-hand return has a ground-floor window opening, which is now blocked, in a stepped-in wall at the rear. Both openings lead into a rear outshut that has a low wall and one rear window.

Although the building was unavailable for inspection, it was recorded in 1980 as having a narrow staircase-hall with wooden partitions accessed through the front door. The parlour contains axial joists and a modern fireplace. The kitchen features a transverse beam with slight chamfers and a run-out stop, along with a deep fireplace that has a badly damaged wooden lintel, a brick oven, and a secondary range. At the back, there is a lean-to dairy and scullery; the dairy has slate slabs and shallow recesses in the back wall, while the scullery contains a small cross-corner fireplace that is now blocked.

Local climate

Gwarcwm Isaf old farmhouse sits in one of the wettest parts of the UK, with an average of 1,320 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 93% of listed buildings.

It experiences an average of 26 freeze-thaw cycles a year, fewer than 72% of listed buildings. Of these, 12 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.

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