Site intelligence / AS 1170

Read the region. Design for the wind.

Locate a site and understand its Australian wind region with a clear spatial search built for early design and compliance conversations.

Structural contextSearch an address to reveal the site classification.
Address lookup

Find the site wind region

Search an Australian address to resolve its AS 1170 wind region and view the regional boundary directly against the site.

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From region to structure

Wind context sets the direction for structural design.

Regional classification is the first layer of the wind assessment. Terrain, shielding, topography, building geometry and importance still need project-specific consideration.

Why it matters

Regional wind is a starting condition—not the final load.

The region establishes the broad wind hazard before local site factors and the building form are applied. Getting that first classification right keeps the structural brief on solid ground.

  1. 01 Resolve the regional classification
  2. 02 Assess terrain, shielding and topography
  3. 03 Engineer pressures, connections and tie-down
Regional index

AS 1170 wind regions

A0Non-cyclonic
A1Non-cyclonic
A2Non-cyclonic
A3Non-cyclonic
A4Non-cyclonic
A5Non-cyclonic
B1Intermediate
B2Intermediate
CCyclonic
DCyclonic
Site modifiers

The region is only one part of the wind picture.

TopographyTerrainShieldingBuilding form

Exposed ridges, open terrain and limited shielding can materially affect design wind actions even where two projects share the same regional classification.

Use the result well

Bring the region into the engineering brief.

Record the site coordinates and resolved code, then have the complete wind classification confirmed for the project design.

This location tool supports early project context. Final wind actions and structural design should be confirmed by a suitably qualified engineer using the applicable standards and site conditions.

Contact Information

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PO Box 5518, Manly, QLD, 4179

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