Llan-bach is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 30 January 1968. Cottage.

Llan-bach

WRENN ID
leaning-pillar-meadow
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
30 January 1968
Type
Cottage
Address
Llan-bach, Llangristiolus, Bodorgan
OS grid reference
SH 449 735
Coordinates
53.23642, -4.32421
Source
Cadw listing

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

Description

Llan-bach is a single-storey, two-unit cottage dating from the 19th century. It features a lean-to at the west end and a small gabled extension at the rear. The front elevation has a wide doorway at the center, which has a cambered head made of stone voussoirs and is flanked by roughly dressed pilasters. Similar pilasters are located at either end of the cottage. The original doorway has been narrowed to fit a modern domestic door. The walls are constructed of roughly dressed coursed gritstone block masonry with a plinth, while the sides and rear are pebbledashed rendered. The windows, which were originally pointed, have been altered and now contain modern replacement four-pane sashes. The roof is made of modern slate, laid in diminishing courses at the front, with a rendered stack at the rear.

Local climate

Llan-bach 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 95% of listed buildings.

It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 6 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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