Grade II listed · Cornwall

Ruins of Trehane House and Garden Wall Adjoining to East

Ruins of Trehane House and Garden Wall Adjoining to East is a Grade II listed building in Cornwall, first listed on 17 October 1984. It is one of 11,797 Grade II entries among 12,596 listed buildings in Cornwall; 29% of Cornwall’s current entries were listed before it.

List entry
Field	Value
Name	Ruins of Trehane House and Garden Wall Adjoining to East
Grade	Grade II — special interest
List entry number	1328909
Date first listed	17 October 1984
Local planning authority	Cornwall
Location	50.29517, -4.99774 (map)
Official record	Historic England list entry 1328909

Planning works on this listed building?

Planium checks which consents Cornwall will require for your works on Ruins of Trehane House and Garden Wall Adjoining to East, 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 Ruins of Trehane House and Garden Wall Adjoining to East

Name	Grade	Distance
Trehane Coach House	II	81 m
Finger Direction Post at Sw863483	II	347 m
Trehane Vean Farmhouse	II	1.1 km
2 Storey Barn and Shippon Approx 15 Metres North-West of Tregeagle Farmhouse	II	1.2 km
Tregeagle Farmhouse	II	1.2 km
Tregassow House	II	1.4 km
Milestone Circa 30m South of Garage at Denas Water	II	1.7 km
Mill Farmhouse, Wall and Gate to South Front Garden Area, Tresillian	II	1.7 km
Trethowa	II	1.7 km
The Toll House	II	1.7 km

Frequently asked questions

Is Ruins of Trehane House and Garden Wall Adjoining to East listed?

Yes. Ruins of Trehane House and Garden Wall Adjoining to East is on the National Heritage List for England as a Grade II listed building, list entry number 1328909, first listed on 17 October 1984. The full list entry with its description and map is on Historic England’s website.

Do I need consent for works to Ruins of Trehane House and Garden Wall Adjoining to East?

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.