Llwynisgaw is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 3 September 1998. House.

Llwynisgaw

WRENN ID
tattered-facade-meadow
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
3 September 1998
Type
House
Address
Llwynisgaw, Cwnhingar Trefri, Bodorgan
OS grid reference
SH 370 678
Coordinates
53.18231, -4.44015
Source
Cadw listing

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

Description

Llwynisgaw is a 2-storey building featuring a 2-window range, with its main facade facing east, away from the road. It has a central porch and includes a single-storey addition on the right (north) and a modern garage on the left (south). The structure is constructed of rubble masonry and has a slate roof with stone copings and rendered gable stacks. The windows are slightly recessed sashes, with the first-floor windows positioned under the eaves and larger ground-floor windows. The front elevation has small-pane lights, while the rear elevation features a stair window that is offset to the left (north).

Local climate

Llwynisgaw sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 11 freeze-thaw cycles a year, fewer than 90% of listed buildings. Of these, 3 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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