Grade I listed · Hounslow

The Temple in Osterley Park

The Temple in Osterley Park is a Grade I listed building in Hounslow, first listed on 21 May 1973. It is one of 32 Grade I entries among 512 listed buildings in Hounslow; 36% of Hounslow’s current entries were listed before it.

List entry
FieldValue
NameThe Temple in Osterley Park
GradeGrade I — exceptional interest
List entry number1189780
Date first listed21 May 1973
Local planning authorityHounslow
Location51.49040, -0.35554 (map)
Official recordHistoric England list entry 1189780

Planning works on this listed building?

Planium checks which consents Hounslow will require for your works on The Temple in Osterley Park, 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 The Temple in Osterley Park

Frequently asked questions

Is The Temple in Osterley Park listed?
Yes. The Temple in Osterley Park is on the National Heritage List for England as a Grade I listed building, list entry number 1189780, first listed on 21 May 1973. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to The Temple in Osterley Park?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Hounslow, 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.