Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by function]
8. historic buildings

Anotations

Scope note:

In the United Kingdom, buildings placed on the Statutory List of Buildings of Special Architectural or Historic Interest. Such buildings are deemed to have unique architectural or historical importance, as identified through periodic surveys; they are protected from demolition or alteration.