Trimley Hall Barn is a Grade II listed building in the Flintshire local planning authority area, Wales. First listed on 23 February 1998. Barn.

Trimley Hall Barn

WRENN ID
idle-pavement-umber
Grade
II
Local Planning Authority
Flintshire
Constituency
Alyn and Deeside MP: Sir Mark Tami (Lab)
Country
Wales
Date first listed
23 February 1998
Type
Barn
Address
Trimley Hall Barn, Llanfynydd
OS grid reference
SJ 277 557
Coordinates
53.09428, -3.08039
Source
Cadw listing

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

Description

Trimley Hall Barn is a 4-bay barn constructed from rubble, featuring slit ventilators, gable parapets, and a slate roof. It has two opposed entrances, both of which are narrowed, leading onto a threshing floor, with an additional door located on the uphill gable.

Inside, the barn has pegged oak trusses that include canted tie-beams, queen struts, a collar, and a ridge. The original opposing doors opened onto a stone threshing floor, which was flanked by a low wall, before the doors were reduced in width.

Local climate

Trimley Hall Barn receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 87% of listed buildings.

It experiences an average of 36 freeze-thaw cycles a year, more than 61% 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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  • Detailed attributes — period, style, materials, features
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