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

Tai Cochion

WRENN ID
sombre-screen-equinox
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
Tai Cochion, Llanidan
OS grid reference
SH 476 655
Coordinates
53.16505, -4.28067
Source
Cadw listing

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

Description

Tai Cochion is a two-storey house with a cross-shaped plan, and the main elevation faces east. The original 17th-century part of the house is L-shaped, consisting of an advanced wing at the front and a range to the left. The walls are made of rubble with boulder foundations, and they are roughcast rendered and painted a deep red. The slate roof features square stone gable-end stacks with dripstones and capping, with the stack on the advanced wing being particularly tall. The main range has one 16-pane sash window on each storey, while the windows in the wing are similar in size but set out of alignment. The north side of the wing includes a gabled dormer window with a 12-pane sash window above a square-headed door. There is a very small window with a single pane in the angle to the right. The gable end of the wing has a first-floor window directly below the chimney, which is a 16-pane horizontally sliding sash, along with a small window on the ground floor. On the south side of the wing, there is a small window on the first floor.

The 18th-century addition to the right is a two-storey range with two windows, featuring gabled dormers and a gable-end chimney, with the ridge at the same height as the original house. This range was remodelled in the late 19th century after a fire. It also has rubble walls with boulder foundations, particularly massive at the corner, and is roughcast rendered and painted a deep red. The dormer windows are 24-pane sashes. On the ground floor, there is a 32-pane French window to the left and a 32-pane sash window to the right. In the gable, there is an 8-pane sash window.

Local climate

Tai Cochion 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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