Grade I listed · Wiltshire

Longleat House

Longleat House is a Grade I listed building in Wiltshire, first listed on 11 September 1968. It is one of 277 Grade I entries among 12,270 listed buildings in Wiltshire; 21% of Wiltshire’s current entries were listed before it.

List entry
FieldValue
NameLongleat House
GradeGrade I — exceptional interest
List entry number1364361
Date first listed11 September 1968
Local planning authorityWiltshire
Location51.18567, -2.27434 (map)
Official recordHistoric England list entry 1364361

Planning works on this listed building?

Planium checks which consents Wiltshire will require for your works on Longleat House, 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 Longleat House

Frequently asked questions

Is Longleat House listed?
Yes. Longleat House is on the National Heritage List for England as a Grade I listed building, list entry number 1364361, first listed on 11 September 1968. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to Longleat House?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Wiltshire, 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.