Berth Ivan is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 25 May 2001. Farmhouse.

Berth Ivan

WRENN ID
woven-kitchen-elder
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
25 May 2001
Type
Farmhouse
Address
Berth Ivan, Crai, Cray, Powys
OS grid reference
SN 889 257
Coordinates
51.91961, -3.61651
Source
Cadw listing

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

Description

Berth Ivan is a farmhouse built from rubble stone, featuring a low-pitched slate roof and stone stacks at either end, with the left stack rendered. The building is two stories high and has a three-window arrangement that is offset to the left. The windows are paired casements with stone voussoirs above their cambered heads and thin split stone sills. There is a 20th-century door in the center, and a blank plaque is located to the right on the first floor. At the back, there is an outshut.

Local climate

Berth Ivan sits in one of the wettest parts of the UK, with an average of 1,410 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.

It experiences an average of 55 freeze-thaw cycles a year, more than 95% of listed buildings. Of these, 31 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
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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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