Boiler House at Approximately 150 Metres South East of Lower Engine House is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 31 October 1988. Boiler house.

Boiler House at Approximately 150 Metres South East of Lower Engine House

WRENN ID
idle-storey-rain
Grade
II
Local Planning Authority
Cornwall
Constituency
Camborne and Redruth MP: Perran Moon (Lab)
Country
England
Date first listed
31 October 1988
Type
Boiler house
OS grid reference
SW 697 472
Coordinates
50.27985, -5.23265
Source
Historic England listing

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

Description

The building is a former boiler house, likely associated with the Lower Engine House of Tywarnhaile Mine, dating from the early 19th century. It is constructed from killas rubble and is currently roofless. The structure has a rectangular plan with a furnace opening located at the north end, which is built into the bank at the rear. There is an L-shaped yard that is enclosed by a high wall at the front and on the left-hand side. The rubble walls remain at their original height, although part of the right-hand gable is missing. The furnace opening features a round arch, and the interior is an empty shell with no surviving machinery.

Local climate

Boiler House at Approximately 150 Metres South East of Lower Engine House receives an average of 920 mm of rain a year. This makes it wetter than 70% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.

It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 2 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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Nearby listed buildings

  1. Lower Engine House (At Sw698472) Grade II 61 m
  2. Chimney Immediately West of Tywarnhaile Lower Engine House Grade II 72 m
  3. United Hills Engine House (At SW 700472) Grade II 198 m
  4. Chimney at Sw695475 (Part of Tywarnhaile Mine) Grade II 374 m
  5. Guide Post at Sw695475 Grade II 425 m
  6. Engine House at Sw70234698 Grade II 510 m
  7. Chimney at Sw703472 Grade II 548 m
  8. Porthtown House Grade II 607 m
  9. Engine House at Sw691479 (Wheal Lushington) Grade II 965 m
  10. Croft Prince Grade II 1.2 km