The service
Is this the right service?
A tree impact assessment examines how proposed works could affect trees and whether they can be retained. It considers the building footprint, excavation, access, level changes and services, including effects on neighbouring trees.
When it can help
- Council has requested an arboricultural impact report.
- You have plans for building or excavation near trees.
- Your design team needs advice on tree retention.

The assessment
How it works
Review the proposal
We check the current drawing revision, survey and council requirements, noting any missing design details.
Inspect and assess impacts
We record relevant trees and assess the works against their condition, root zones and site setting.
Set out recommendations
The report explains likely impacts, retention options and any design changes, protection measures or further investigation needed.
Your deliverables
What your report includes
- Tree inventory, condition and photographs
- Record of the plans assessed
- Impact analysis and retention options
- Design and tree-protection recommendations
Scope and limitations
Missing design details may prevent a firm conclusion. Root investigations, engineering and CAD outputs are not automatically included. Tree protection specifications, plans and construction supervision are separate services.
Where trees will remain, a Tree Protection Specification and Plan sets out site controls. Project arborist support can cover the agreed inspection and supervision stages.
Before we start
What to have ready
Send what you have. We’ll confirm anything else needed.
- Current plans and drawing revisions
- Tree survey, levels, footing and service details
- Council requests or planning conditions







