Eirianallt is a Grade II* listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 5 February 1952. House.

Eirianallt

WRENN ID
fossil-turret-vermeil
Grade
II*
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
5 February 1952
Type
House
Address
Eirianallt, Llangoed
OS grid reference
SH 606 809
Coordinates
53.30692, -4.09316
Source
Cadw listing

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

Description

Eirianallt is a late 17th century, two-storey house featuring three windows on the main front and a smaller two-window wing with a garage, which was originally a cowhouse, at the right end. The building is constructed from heavily mortared rubble masonry and has large projecting lintel slabs at the ground floor. It has a modern raised slate roof topped with a tall square chimney located at the center of the main range.

The central entrance has chamfered jambs, a later lower lintel, and a heavy plain label, with a recess above for a tablet. The windows are recessed small-paned casements, some of which have been enlarged. The ground floor windows feature heavy plain stone labels, and while the openings have been narrowed, the original jambs remain. Two of the upper windows have been raised; the left window is an unequal sash in its original opening, but all frames are modern. At the rear, there is a mix of window placements and remnants of the original eaves course that projects between the first-floor windows.

The former cowhouse has had windows inserted into partially filled former doorways, with a modern door at the rear. At the far north end of the building is a garage with a single doorway at the front and double doors at the rear.

Inside, the sitting room retains massive chamfered hewn beams, including a curved bressumer above the wide fireplace, along with exposed joists. The windows have deep splayed reveals and seats.

Local climate

Eirianallt sits in one of the wettest parts of the UK, with an average of 1,210 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 90% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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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  • Sale history — 1 transaction since 2007
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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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