Engine House at Sx 408715 is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 13 February 1986. Engine house.

Engine House at Sx 408715

WRENN ID
heavy-truss-mist
Grade
II
Local Planning Authority
Cornwall
Constituency
South East Cornwall MP: Anna Gelderd (Lab)
Country
England
Date first listed
13 February 1986
Type
Engine house
Address
Engine House at Sx 408715, Calstock
OS grid reference
SX 408 714
Coordinates
50.52134, -4.24626
Source
Historic England listing

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

Description

This is a Cornish engine house located at Hingston Down Consols Mine, built in the mid to late 19th century and altered in 1905. Constructed from granite with dressed quoins and brick dressings, the engine house has a rectangular plan and stands three storeys high. The bob wall features an arched opening at ground level and a large rectangular bob opening above, with cast iron wall plates at the corners marked "Tavistock Iron Works 1882." Each side wall has an arched window at every level. The parapet has been rebuilt in brick, and the building was re-roofed in 1905 when it was adapted to house a second-hand 36-inch rotative beam engine from the Bedford foundry in Tavistock. This engine previously worked at Devon Great Consols and was used here to operate a set of stamps and pump from the adjacent Bailey's Shaft. The hipped roof is now largely decayed. This engine house is an interesting example of a late engine house adapted for dual purposes, although it appears to be older. The brick parapet and roof structure suggest alterations to an earlier building, but the entire structure may date from 1905. The 1882 dates on the wall plates are unlikely to refer to the original building, as the mine was unworked at that time. The main periods of operation for Hingston Down Consols Mine were from 1846 to 1878 and again from 1905 to 1908. The engine house serves as a prominent landmark on the summit of Hingston Downs.

Local climate

Engine House at Sx 408715 sits in a wetter-than-average part of the UK, with an average of 1,000 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 81% of listed buildings.

It experiences an average of 17 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 7 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.

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  5. Thorn Cottage Grade II 1.0 km
  6. Phoenix Farm Brickworks Grade II 1.2 km
  7. Gate Piers, Walls and Railings at South West Entrance to Honicombe Holiday Village Grade II 1.3 km
  8. Todsworthy House Grade II 1.5 km
  9. Engine House and Chimney Gunnislake Clitters Mine Grade II 1.6 km
  10. Harrowbarrrow Methodist Church and Attached Sunday School and Walls Grade II 1.7 km