Landslide risk explained

Auckland’s shallow landslide layer shows where slopes may be susceptible to slips during heavy rain or after ground disturbance. It is regional desktop mapping refreshed weekly from council data, not a site-specific geotechnical assessment.

Shallow landslide susceptibility

Council mapping combines slope angle, geology, and historical slip patterns to flag areas where shallow landslides are more likely. This includes hillsides, steep driveways, cut slopes behind houses, and sections near cliffs or gullies.

A hazard at your pin means the mapping intersects the property location. Nearby means susceptibility is mapped close to the pin, for example on a slope or cliff behind the house. Both are worth understanding, but they mean different things for the building itself.

• Retaining walls, drainage, and insurance can cost more on slip-prone sites
• Recent storms have increased awareness of hillside failure across Auckland
• Building and earthworks rules may be stricter in mapped areas

If landslide mapping appears on a report, consider a geotechnical assessment before you buy, especially if you plan to build, excavate, or remove vegetation. Confirm LIM and council records with your lawyer.