Open Space Ratio
Definition
The proportion of a development site that must remain as unbuilt open space, calculated by dividing the total open space area by the total site area. This includes both private and communal outdoor spaces, landscaped areas, and recreational facilities, but typically excludes vehicular areas.
Purpose
Ensure adequate outdoor space for recreation, landscaping, and environmental benefits while maintaining urban density targets and promoting sustainable development practices.
Examples of Use
- Residential development planning and amenity provision.
- Urban amenity assessment and quality of life standards.
- Green space requirements and biodiversity targets.
- Stormwater management and urban heat island mitigation.
- Community recreation space allocation.
Related Terms
- Site Coverage
- Landscape Ratio
- Public Open Space
- Private Open Space
- Communal Space
Notes
Open space requirements contribute to urban livability, environmental quality, and community well-being. Requirements often vary by development type, density, and location within the urban context.
