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Permits & council
Tree reports and assessments for council permits
The reports councils ask for when you apply to prune or remove a protected tree, or when an application comes back with an information request.
Arborist Report
A written assessment of your tree by qualified arborists at AQF Level 5 — the document councils ask for when you apply to prune or remove protected vegetation.
Read more →Tree Health & Disease Treatment
Most declining trees are a soil problem wearing a canopy symptom. This is the diagnostic work that finds the actual cause before you spend money treating the wrong thing.
Read more →Expert Witness & Dispute Reports
Independent arboricultural evidence on tree damage, cause and value: for insurers, loss adjusters, solicitors, courts and QCAT.
Read more →Tree Risk Assessment
A structured evaluation of how likely a tree is to fail, what it would hit, and what the consequences would be — documented so your decision is defensible.
Read more →Tree Valuation
What a tree is actually worth, calculated by a recognised method — for insurance, compensation, damage claims or council offset requirements.
Read more →Pre-Purchase Tree Inspection
Building and pest covers the house. This covers the trees — what is protected, what is failing, and what it will cost you after settlement.
Read more →Development & construction
Tree reports for development and construction
The reports required when you are building near trees rather than removing them — assessing what the works do to each tree, and what has to change.
How a development works
Which arborist reports a development needs, and in what order, from design to sign-off.
See the process →Preliminary Arboricultural Report
Which trees on your site matter, how much room they need and which can go — in your designer’s hands before the layout is drawn.
Read more →Arboricultural Impact Assessment
The report councils require when construction encroaches on the root zone of protected trees — what your build does to each tree, and what has to change.
Read more →Tree Protection Plan
The drawing and specification that keeps retained trees alive through construction — and keeps you compliant with the conditions on your approval.
Read more →Tree Management Plan
A whole-of-site plan: what trees you have, what condition they are in, what they will cost, and what needs doing in what order over the next five years.
Read more →Project Arborist
The named arborist on your approval — supervising works near retained trees, attending hold points, and signing off what council requires signed off.
Read more →Root Investigation
Finds the roots, identifies the tree, and establishes whether it is causing the damage: air spade, GPR, excavation and laboratory root ID.
Read more →Tree works
Other Tree Services
Hands-on tree work alongside the consulting, starting with stump grinding: stumps ground out below ground level, ready to turf, pave or replant.
Root Barrier Installation
A barrier redirects future root growth away from a driveway, slab or service line — installed after the roots are located, not through them.
Read more →Stump Grinding
Tree stumps ground out below ground level, ready to turf, pave or replant, and priced by the size of the stump.
Read more →What is a tree assessment?
It is not one document. "Tree assessment" is the general term councils, insurers, builders and body corporates use for any professional inspection of a tree that ends in a written finding — and which assessment you actually need depends entirely on the question being asked of the tree.
Whether a tree is safe is a risk assessment. Why it is declining is a health assessment. What your build does to it is an impact assessment. Whether council should let you remove it is an arborist report. They share a site visit and not much else — different methods, different standards, different price.
Councils themselves rarely use the phrase. Where one does ask for a "tree assessment" in an information request it almost always means a specific report, and the cheap move is to read the request literally or ring and ask which. Getting it wrong means paying for the assessment twice.
By council
Requirements differ by council
The report you need — and whether you need one at all — depends on which local government area your property sits in.
Free tools
- Which Report? Councils ask for different documents for different situations. This narrows it to the one report yours actually requires.
- Permit Checker Answer a few questions about your council, your tree and your situation, and find out whether approval is likely to be required.
- Tree Disease Identifier Pick where the problem is and what you can see, and find the most likely pest or disease, with a guide to treating it.
- Report Cost Calculator An honest estimate for your job, built from the same published prices this practice quotes from.
- Stump Grinding Calculator What a stump should cost to grind out, priced on the measurement that actually drives it — how wide it is at ground level.
- Tree Removal Calculator What a removal should cost, from a practice that does not sell removals — so the number is not a bid for your job.
- TPZ Calculator Work out TPZ and SRZ radii to AS 4970 from trunk diameter, including whether an encroachment is major or minor.
- Tree Weight Calculator How much a tree weighs — trunk, canopy and whole tree — from its measurements and the green density of its wood.
- Dispute Resolutions How a Queensland neighbour tree dispute works, from the first conversation to QCAT, with an evidence checklist and a timeline spreadsheet.
- Tree Valuation Calculator An indicative tree value by the Revised Burnley method — or three other published methods.
Not sure what you need?
Describe the situation and you will get a straight answer about which report your council actually requires — including when the answer is that you do not need one.