Grade II listed · Cornwall

Treyarnon Farmhouse

Treyarnon Farmhouse is a Grade II listed building in Cornwall, first listed on 20 May 1988. It is one of 11,797 Grade II entries among 12,596 listed buildings in Cornwall; 65% of Cornwall’s current entries were listed before it.

List entry
FieldValue
NameTreyarnon Farmhouse
GradeGrade II — special interest
List entry number1212747
Date first listed20 May 1988
Local planning authorityCornwall
Location50.52468, -5.01808 (map)
Official recordHistoric England list entry 1212747

Planning works on this listed building?

Planium checks which consents Cornwall will require for your works on Treyarnon Farmhouse, lists what the heritage statement must cover and drafts the application text.

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 Treyarnon Farmhouse

Frequently asked questions

Is Treyarnon Farmhouse listed?
Yes. Treyarnon Farmhouse is on the National Heritage List for England as a Grade II listed building, list entry number 1212747, first listed on 20 May 1988. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to Treyarnon Farmhouse?
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.