A retaining wall is designed to hold back filling soil or to support excavation work.

You may need a Planning Permit, Building Permit or both to build a retaining wall.

How to use this guide

To help you work out which permits you need, begin at Step 1 and answer the questions one at a time. You may be asked to look at property zoning, measure the wall, and assess the wall's position in relation to property boundaries.

Before you begin

Before finalising your design:

Examples of retaining walls

Examples of retaining walls

More information

Contact Statutory Planning or Building Services for general enquiries, or if you need help with either a Planning or Building Permit.

In this guide: