Grade II listed · Cornwall

Tolgus Calciner and Remains of Arsenic Labyrinth with Chimney at Sw 690 430

Tolgus Calciner and Remains of Arsenic Labyrinth with Chimney at Sw 690 430 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	Tolgus Calciner and Remains of Arsenic Labyrinth with Chimney at Sw 690 430
Grade	Grade II — special interest
List entry number	1328202
Date first listed	12 September 1989
Local planning authority	Cornwall
Location	50.24210, -5.24088 (map)
Official record	Historic England list entry 1328202

Planning works on this listed building?

Planium checks which consents Cornwall will require for your works on Tolgus Calciner and Remains of Arsenic Labyrinth with Chimney at Sw 690 430, 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 Tolgus Calciner and Remains of Arsenic Labyrinth with Chimney at Sw 690 430

Name	Grade	Distance
Milepost at Sw 690 430	II	60 m
Sara's Foundry, Town Mill	II*	469 m
Foundry House	II	506 m
Treleigh Manor and Attached Garden Wall, Railings and Gates	II	576 m
Tolgus Cot	II	759 m
Former Plain-An-Gwarry Methodist Chapel	II	857 m
Group of 3 Chimney Stacks at West Wheal Tolgus on West Side of Tolskithy Valley at Sw 680 425	II	1.1 km
Coachhouse Approximately 10 Metres North-East of Parkhenver	II	1.1 km
Parkhenver	II	1.1 km
7 to 10, Symons Terrace	II	1.2 km

Frequently asked questions

Is Tolgus Calciner and Remains of Arsenic Labyrinth with Chimney at Sw 690 430 listed?

Yes. Tolgus Calciner and Remains of Arsenic Labyrinth with Chimney at Sw 690 430 is on the National Heritage List for England as a Grade II listed building, list entry number 1328202, 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 Tolgus Calciner and Remains of Arsenic Labyrinth with Chimney at Sw 690 430?

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.