Grade I listed · West Northamptonshire

Althorp House

Althorp House is a Grade I listed building in West Northamptonshire, first listed on 2 November 1954. It is one of 99 Grade I entries among 3,836 listed buildings in West Northamptonshire; 6% of West Northamptonshire’s current entries were listed before it.

List entry
FieldValue
NameAlthorp House
GradeGrade I — exceptional interest
List entry number1356626
Date first listed2 November 1954
Local planning authorityWest Northamptonshire
Location52.28021, -1.00205 (map)
Official recordHistoric England list entry 1356626

Planning works on this listed building?

Planium checks which consents West Northamptonshire will require for your works on Althorp House, 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 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 Althorp House

NameGradeDistance
Althorp, Garden Screen East of South FrontII52 m
Althorp, Garden Screen West of South FrontII53 m
Althorp, Ha Ha on North and West of GardenII87 m
Althorp, StablesII*112 m
Althorp, Garden Screen to West of North Front of StableII127 m
Althorp, Gates and Railings to South AvenueII180 m
Althorp, Planting Stone at Sp 6797 6520II271 m
Althorp, Planting Stone at Sp 6795 6515II277 m
Althorp, Planting Stone at Sp 6813 6480II358 m
Dairy CottageII364 m

Frequently asked questions

Is Althorp House listed?
Yes. Althorp House is on the National Heritage List for England as a Grade I listed building, list entry number 1356626, first listed on 2 November 1954. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to Althorp House?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from West Northamptonshire, 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.