Grade II listed · Cornwall

Chimney Stack Approximately 150 Metres West of Pump Engine House on Site of Wheal Uny Mine at Sw 693 407

Chimney Stack Approximately 150 Metres West of Pump Engine House on Site of Wheal Uny Mine at Sw 693 407 is a Grade II listed building in Cornwall, first listed on 12 September 1989. It is one of 11,797 Grade II entries among 12,596 listed buildings in Cornwall; 89% of Cornwall’s current entries were listed before it.

List entry
Field	Value
Name	Chimney Stack Approximately 150 Metres West of Pump Engine House on Site of Wheal Uny Mine at Sw 693 407
Grade	Grade II — special interest
List entry number	1142545
Date first listed	12 September 1989
Local planning authority	Cornwall
Location	50.22210, -5.23474 (map)
Official record	Historic England list entry 1142545

Planning works on this listed building?

Planium checks which consents Cornwall will require for your works on Chimney Stack Approximately 150 Metres West of Pump Engine House on Site of Wheal Uny Mine at Sw 693 407, 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 Chimney Stack Approximately 150 Metres West of Pump Engine House on Site of Wheal Uny Mine at Sw 693 407

Name	Grade	Distance
Pump Engine House on Site of Wheal Uny Mine at Sw 695 408	II	143 m
Winding Engine House on Site of Wheal Uny Mine at Sw 695 407	II	165 m
The Glebe	II	467 m
House Formerly Known As the Princes Plume Public House	II	492 m
Church of St Euny	II*	495 m
Lychgate to Church of St Euny	II	509 m
Trelowan	II	532 m
1-5	II	552 m
The Former Rectory	II	585 m
Milepost Opposite Turning to Carnkie at Sw 699 406	II	588 m

Frequently asked questions

Is Chimney Stack Approximately 150 Metres West of Pump Engine House on Site of Wheal Uny Mine at Sw 693 407 listed?

Yes. Chimney Stack Approximately 150 Metres West of Pump Engine House on Site of Wheal Uny Mine at Sw 693 407 is on the National Heritage List for England as a Grade II listed building, list entry number 1142545, first listed on 12 September 1989. The full list entry with its description and map is on Historic England’s website.

Do I need consent for works to Chimney Stack Approximately 150 Metres West of Pump Engine House on Site of Wheal Uny Mine at Sw 693 407?

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.