Arborist Reports Perth: When You Need One & What They Cost

An arborist report is a formal written assessment of a tree's health, structure, and risk — prepared by a qualified arborist. In Perth, they're required in a range of situations involving local councils, development, and legal disputes.

When You Need an Arborist Report in Perth

Development applications: If your DA requires clearing significant trees, local councils require an arborist report to assess the tree's health and whether removal is justified. Tree removal permits: Most Perth councils require a permit to remove significant trees, and an arborist report is part of the application. Neighbour tree disputes: If a neighbour's tree is threatening your property, an independent arborist report documents the risk and supports legal action. Insurance claims: After storm damage or tree failure, your insurer may require an arborist's assessment. Due diligence for property purchase: An arborist assessment identifies trees that may pose future costs or hazards.

What's in an Arborist Report?

A Level 3 AQF arborist report includes: species identification, tree health and condition rating, structural assessment, risk assessment (using QTRA or similar methodology), recommendations (retain/prune/remove), and estimated lifespan. Reports reference relevant Australian standards (AS 4970).

Arborist Report Costs in Perth

Single tree report: $300–$600. Multiple tree assessment (per tree): $150–$300. Urgency/court-required reports: add 30–50%. Council reports for significant trees may require more detailed documentation, affecting price.