Grade II listed · Cornwall

Engine House and Attached Boiler House at Sw594290 Wheal Grey

Engine House and Attached Boiler House at Sw594290 Wheal Grey is a Grade II listed building in Cornwall, first listed on 26 August 1987. It is one of 11,797 Grade II entries among 12,596 listed buildings in Cornwall; 49% of Cornwall’s current entries were listed before it.

List entry
Field	Value
Name	Engine House and Attached Boiler House at Sw594290 Wheal Grey
Grade	Grade II — special interest
List entry number	1142203
Date first listed	26 August 1987
Local planning authority	Cornwall
Location	50.11285, -5.36541 (map)
Official record	Historic England list entry 1142203

Planning works on this listed building?

Planium checks which consents Cornwall will require for your works on Engine House and Attached Boiler House at Sw594290 Wheal Grey, lists what the heritage statement must cover and drafts the application text.

Ask Planium what consent you need

What the grade means for works

Grade II buildings are of special interest and make up over 90% of listed buildings in England. Most alterations, extensions and many internal changes still need listed building consent from the council.

The protection covers the whole building, inside and out, plus fixtures and attached structures. Typical works that need consent: replacing windows or doors, removing walls or historic fabric, changing roof coverings, installing solar panels or external insulation, and adding extensions.

Listed buildings near Engine House and Attached Boiler House at Sw594290 Wheal Grey

Name	Grade	Distance
Detached Chimney at Sw595290, Wheal Grey	II	12 m
Chimney at Sw591290, Wheal Grey	II	340 m
Milestone at Sw592288	II	341 m
Trelissick, Garden Wall at Road Side and Wash House to North	II	379 m
Chimney at Sw591290, Wheal Grey	II	395 m
Chimney and Adjoining Wall at Sw590291, Wheal Grey	II	416 m
Well	II	594 m
Adit House	II	611 m
The Toll House	II	626 m
Balwest Methodist Church, Adjoining Courtyard Walls and Gate Piers	II	903 m

Frequently asked questions

Is Engine House and Attached Boiler House at Sw594290 Wheal Grey listed?

Yes. Engine House and Attached Boiler House at Sw594290 Wheal Grey is on the National Heritage List for England as a Grade II listed building, list entry number 1142203, first listed on 26 August 1987. The full list entry with its description and map is on Historic England’s website.

Do I need consent for works to Engine House and Attached Boiler House at Sw594290 Wheal Grey?

Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Cornwall, in addition to any planning permission or building regulations approval. Like-for-like repairs often do not, but confirm with the council’s conservation officer before you start.

Source: National Heritage List for England, © Historic England 2026, via planning.data.gov.uk. Contains Ordnance Survey data © Crown copyright and database right. Licensed under the Open Government Licence v3.0. Retrieved 12 October 2026. Local authority assigned from the list entry point. This page is a summary — the legal record is the official list entry.