Grade I listed · County Durham

Hamsterley Colliery Derwentcote steel furnace (The Cone)

Hamsterley Colliery Derwentcote steel furnace (The Cone) is a Grade I listed building in County Durham, first listed on 6 June 1951. It is one of 102 Grade I entries among 3,091 listed buildings in County Durham; 2% of County Durham’s current entries were listed before it.

List entry
FieldValue
NameHamsterley Colliery Derwentcote steel furnace (The Cone)
GradeGrade I — exceptional interest
List entry number1240411
Date first listed6 June 1951
Local planning authorityCounty Durham
Location54.90316, -1.79812 (map)
Official recordHistoric England list entry 1240411

Planning works on this listed building?

Planium checks which consents County Durham will require for your works on Hamsterley Colliery Derwentcote steel furnace (The Cone), lists what the heritage statement must cover and drafts the application text.

What the grade means for works

Grade I buildings are of exceptional interest — only about 2.5% of listed buildings in England. Any application for listed building consent is notified to Historic England, and alterations are scrutinised closely.

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 Hamsterley Colliery Derwentcote steel furnace (The Cone)

Frequently asked questions

Is Hamsterley Colliery Derwentcote steel furnace (The Cone) listed?
Yes. Hamsterley Colliery Derwentcote steel furnace (The Cone) is on the National Heritage List for England as a Grade I listed building, list entry number 1240411, first listed on 6 June 1951. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to Hamsterley Colliery Derwentcote steel furnace (The Cone)?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from County Durham, 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.