Nantclawdd Isaf is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 19 September 2000. A C19-C20 Farmhouse.

Nantclawdd Isaf

WRENN ID
last-foundation-acorn
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
19 September 2000
Type
Farmhouse
Address
Nantclawdd Isaf, Cwmduad, Carmarthen, Cynwyl Elfed
OS grid reference
SN 378 319
Coordinates
51.96192, -4.36208
Source
Cadw listing

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

Description

Nantclawdd Isaf is a farmhouse that features a roughcast exterior and a close-eaved slate roof with roughcast end-wall stacks. The building has a large square stack on the right and a smaller stack on the left. It is two storeys high with a three-window facade that is offset to the left. The windows, which date from the late 19th century or early 20th century, are sash style with six panes, where the outer panes are narrower. The upper windows are both narrower and shorter than those on the lower level, and all windows have slate sills. There is a half-glazed door from the 20th century located in the middle of the facade. The end walls are also roughcast, and there is an outshut at the rear. The interior has not been available for inspection.

Local climate

Nantclawdd Isaf sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.

It experiences an average of 29 freeze-thaw cycles a year, fewer than 67% of listed buildings. Of these, 14 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
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  • 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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