Grade II listed · Richmond upon Thames

Onslow Hall

Onslow Hall is a Grade II listed building in Richmond upon Thames, first listed on 24 December 1968. It is one of 686 Grade II entries among 814 listed buildings in Richmond upon Thames; 37% of Richmond upon Thames’s current entries were listed before it.

List entry
FieldValue
NameOnslow Hall
GradeGrade II — special interest
List entry number1194386
Date first listed24 December 1968
Local planning authorityRichmond upon Thames
Location51.46193, -0.30406 (map)
Official recordHistoric England list entry 1194386

Planning works on this listed building?

Planium checks which consents Richmond upon Thames will require for your works on Onslow Hall, 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 Onslow Hall

Frequently asked questions

Is Onslow Hall listed?
Yes. Onslow Hall is on the National Heritage List for England as a Grade II listed building, list entry number 1194386, first listed on 24 December 1968. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to Onslow Hall?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Richmond upon Thames, 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.