Retaining Wall
A wall that holds back soil or rock from a building or area.
A wall that holds back soil or rock from a building or area. Needs approval if over 600mm high (sometimes 1m depending on council) because structural failure could cause damage. Engineering required for walls over 1m. Must handle water drainage properly. Common need when building on sloping blocks.
What does it mean for my project?
When you're planning work and 'Retaining Wall' comes up in council advice, approval conditions or reports, understanding what it means helps you know what approvals, reports or design changes you might need. It can affect your design options, costs, timeframes and how council or a certifier assesses your project.
What do I need to think about?
If you're not sure how 'Retaining Wall' applies to your block or project, check your council information or talk to a planner, certifier or other relevant specialist. Misunderstanding it can lead to delays, extra design fees or even having to redo work, so it's worth clarifying early in the planning stage.
Examples where it might impact a project
Our 1.5m retaining wall needed DA approval and an engineer's certificate, cost $8k to build properly with drainage and reinforcement.
State specific stuff...
No state specific requirements - used across Australia (check your local council for any local variations).