Tan-yr-allt is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 13 March 2003. Cottage.

Tan-yr-allt

WRENN ID
muted-banister-pearl
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
13 March 2003
Type
Cottage
Address
Tan-yr-allt, Llanfihangel Ar Arth, Llanfihangel-Ar-Arth
OS grid reference
SN 446 398
Coordinates
52.03491, -4.26577
Source
Cadw listing

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

Description

Tan-yr-allt is a single-storey, two-window cottage built of whitened rubble stone. The openings feature brick segmental heads, and the cottage has a slate roof with a stone stack on the right side. The openings are positioned slightly to the left of centre, with a boarded door flanked by small four-pane windows. The left gable end includes a similar attic window. The property has not been inspected.

Local climate

Tan-yr-allt sits in one of the wettest parts of the UK, with an average of 1,230 mm of rain a year. This makes it wetter than 92% 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 32 freeze-thaw cycles a year, fewer than 59% of listed buildings. Of these, 16 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
  • Sale history — 2 transactions since 2002
  • 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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