Report guides

Arborist report guides

Plain-language explanations of the report types commonly required across the development and tree-management lifecycle, from early feasibility through to ongoing asset management.

Preliminary Arborist Report (PAR)

The first-pass tree assessment used at feasibility stage, before a design exists.

Arboricultural Impact Assessment (AIA)

Tests a specific design against each tree's TPZ and SRZ to quantify encroachment.

Tree Protection Management Plan

The on-site fencing, ground protection and monitoring measures for construction.

Tree Risk Assessment Report

Evaluates likelihood and consequence of tree failure, independent of any development.

Tree Inventory

A structured register of tree asset data used to plan maintenance and manage risk.