Former Machine Shop at Boston Lodge is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 8 March 1994. Church.

Former Machine Shop at Boston Lodge

WRENN ID
peeling-rampart-russet
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
8 March 1994
Type
Church
Address
Former Machine Shop at Boston Lodge, Penrhyndeudraeth, LL48 6HT
OS grid reference
SH 584 378
Coordinates
52.91951, -4.10633
Source
Cadw listing

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

Description

The former machine shop at Boston Lodge is a two-storey building constructed from local slate rubble, topped with slate roofs. It features wide eaves that are bracketed at the gable end and includes small-pane sash windows, with 25 and 30 panes. There are three original windows on the ground floor, while the upper floor has replacement copies. The building has been rebuilt and extended to the left, where the new section is cement-rendered and has modern windows, except for one original window on the first floor. At the rear, there is a lean-to that also contains small-pane sash windows. The interior has been converted into offices.

Local climate

Former Machine Shop at Boston Lodge sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 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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  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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  2. Former Erecting Shop at Boston Lodge Grade II 21 m
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  7. Crane at S End of Boston Lodge Railway Works Grade II 48 m
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