Do You Need an Arborist Report for Development in Stonnington?
An Arboricultural Impact Assessment (AIA) is a detailed Level 5 arborist report required for planning permits where development impacts trees and their TPZ or SRZ under AS 4970.
Most development applications require an arborist report (AIA) where trees are present or may be impacted.
These reports assess tree retention, removal and construction impacts using TPZ and SRZ calculations under AS 4970, along with Clause 52.37 canopy requirements and overlay controls.
We provide development-focused arborist reporting across the Stonnington Council area, including Toorak, South Yarra and Armadale, with fast-track delivery to support tight project timelines.
Our Level 5 arborists work with builders and architects to ensure designs align with council requirements before submission.
Need a Simpler Explanation?
This page covers detailed Arboricultural Impact Assessments (AIA) for development, including TPZ and SRZ analysis and technical planning requirements.
For a simpler, easy-to-understand explanation of arborist reports for planning permits, see Tree Reports for Planning Permits in Stonnington.
What Is an Arborist Report for Planning Permits?
An arborist report (Arboricultural Impact Assessment) is a technical document required for planning permit applications involving trees.
It forms part of the council planning assessment, addressing:
- Tree condition, structure and long-term viability
- Tree Protection Zones (TPZ) and Structural Root Zones (SRZ)
- Impact of proposed development
- Tree retention vs removal justification
- Compliance with AS 4970 and Clause 52.37
- Overlay and site constraints
When Are Arborist Reports Required for Development?
An arborist report (AIA) is required where development may impact trees and their Tree Protection Zones (TPZ) under AS 4970.
This commonly applies when:
- A planning permit application is being prepared or lodged
- Trees are present on or adjacent to the development site
- Proposed works encroach into a Tree Protection Zone (TPZ) or Structural Root Zone (SRZ)
- Trees are proposed to be removed or retained as part of the development design
- The site is affected by planning overlays such as SLO, VPO, ESO or HO
What Our Arborist Reports Include
- Full tree schedule and assessment
- Health, structure and risk evaluation
- TPZ and SRZ calculations (AS 4970 compliant)
- Arboricultural Impact Assessment (AIA)
- Tree retention and removal recommendations
- Integration with site and architectural plans
- Clear, council-ready documentation
Planning Permit Arborist Reports for Builders, Architects & Developers
We regularly prepare reports for:
- Builders
- Architects
- Designers
- Developers
Our reporting can be coordinated with:
- Site plans
- Architectural drawings
- Development layouts
- CAD assisted drawings
- CAD-based TPZ / SRZ overlay plans
Why Developers Choose Us
- Level 5 Consulting Arborists (AQF qualified)
- 32+ years of development experience
- Fast-track reporting available
- Strong understanding of council planning systems
- Clear, construction-aligned recommendations
- Trusted across DA / planning permit projects
Our Process – Built for Development Projects
- Initial consultation with builder / designer
- On-site tree assessment by Level 5 arborist
- TPZ / SRZ mapping and impact analysis
- Preparation of Arboricultural Impact Assessment
- Delivery of council-ready documentation
Frequently Asked Questions
Engage a Level 5 arborist early, before design finalisation, to identify constraints and avoid planning permit delays.
Early arborist input allows TPZ and SRZ constraints to be integrated into design, preventing redesign and council RFIs.
We deliver reports on time, every time, with fast-track options available for urgent planning permit submissions.
Reports are prioritised for development timelines and formatted for council submission to avoid delays.
Yes, our Level 5 arborist reports meet AS 4970 standards and are accepted by Stonnington Council.
Reports include TPZ/SRZ mapping, impact assessments and clear recommendations aligned with council planning requirements.
Yes, we work directly with builders and architects to align arborist reporting with development design.
Our reports integrate with site and architectural plans, ensuring tree constraints are addressed early.
Get Started in Minutes
Call now or email us for fast, expert help with your tree permit or report. Rest easy, we handle everything from start to finish.

