Historic Structure

AVIARY OR LITTLE ORANGEREY IN OSTERLEY PARK

Grade I

A structure of special architectural or historic interest.

This historic structure is legally protected under the Planning (Listed Buildings and Conservation Areas) Act 1990. As a Grade I listed building, it is considered to be of exceptional interest - only 2.5% of all listed buildings achieve this status. It has been protected for 53 years.

Heritage Expansion

Listed during an era when the criteria for protection expanded to include more vernacular and industrial heritage.

Building Type

Historic Structure

Listed Since

21 May 1973

List Entry

1080309

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Location

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Nearby Development Sites

Nearby Listed Buildings

What is a Listed Building?

Listed buildings are structures of special architectural or historic interest, protected under the Planning (Listed Buildings and Conservation Areas) Act 1990.

  • Grade I: Exceptional interest (2.5%)
  • Grade II*: Particularly important (5.8%)
  • Grade II: Special interest (91.7%)