OPDA Knowledge base
Logical tier property

BuiltFormScheme

opda:BuiltFormScheme

BuiltFormScheme

Summary

Classification of a Property’s structural built-form (detached, semi-detached, terraced, etc.). [UFO Quale-in-Region / DOLCE Quality-Region]. Steward: Allemang (property-qualities sub-module steward per S008 Q2). Concept tier — Property →

Members

NotationLabelDefinitionSource
DetachedDetachedFree-standing dwelling sharing no walls with neighbouring propertiesOPDA data dictionary
End-terraceEnd-terraceDwelling at the end of a terrace, sharing one wall with a neighbouring propertyOPDA data dictionary
Mid-terraceMid-terraceDwelling within a terrace, sharing walls with neighbouring properties on both sidesOPDA data dictionary
OtherOtherBuilt form falling outside the standard categories; relies on a free-text note for contextOPDA data dictionary
Semi-detachedSemi-detachedDwelling sharing one wall with a single neighbouring propertyOPDA data dictionary

Cardinality discipline

Bound by Property.builtForm (0..1, optional). Closed scheme — overlays may subset but may NOT extend; new members require a Council session.

Concept hierarchy

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Source ODR + ADR

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