Trinity Yard Large Workshop is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 25 July 1994. Workshop.

Trinity Yard Large Workshop

WRENN ID
second-lime-pearl
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
25 July 1994
Type
Workshop
Address
Trinity Yard Large Workshop, Holyhead
OS grid reference
SH 241 833
Coordinates
53.31788, -4.64209
Source
Cadw listing

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

Description

The Trinity Yard Large Workshop is a Grade II listed building featuring rendered walls and an asphalted roof with a ridge light. The side elevations consist of five bays, with segmental-headed blind panelling located above small-pane windows that also have segmental heads. The gable ends include kneelers; on the northwest side facing the sea, there is a large camber-headed doorway flanked by windows, with blind panelling above and a central round window framed by a gabled architrave. The southeast gable end facing the land has segmental-headed panelling, with a round window at the center of the gable. Below this, there is a central doorway that has been made smaller and is flanked by segmental-headed windows.

Local climate

Trinity Yard Large Workshop sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 8 freeze-thaw cycles a year, fewer than 93% 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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  • Detailed attributes — period, style, materials, features
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  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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  6. Screen Wall to Soldier's Point House Grade II 528 m
  7. Boundary Wall to Cybi Building, Holyhead High School Grade II 815 m
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  10. Market Hall Grade II 867 m