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Development Arboriculture & Tree Protection
Redtail provides independent arboricultural assessment, reporting and project support for planning, development and construction involving trees. Services include preliminary arboricultural assessments, impact assessments, pre-purchase due diligence, tree protection planning and project arborist monitoring, delivered in accordance with AS 4970:2025 across Perth and Western Australia.
Preliminary Arboricultural Assessment (PAA)
A Preliminary Arboricultural Assessment identifies tree constraints early in the planning and development process, before a design is finalised.
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Redtail assesses existing trees, condition and retention priority, and documents preliminary root-zone and canopy constraints to inform architects, planners, developers and property owners across Perth and Western Australia.
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The assessment typically includes a tree schedule, measurements, photographs and a preliminary tree constraints plan prepared within the AS 4970:2025 development-tree protection framework.
Arboricultural Impact Assessment (AIA)Â
An Arboricultural Impact Assessment (AIA) evaluates how proposed development and construction may affect existing and retained trees.
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Redtail evaluates tree condition, root zones, proposed encroachment, excavation, buildings, services, access and other development impacts to determine appropriate tree retention, mitigation and protection requirements.
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AIAs are prepared using the current AS 4970:2025 framework and are suitable for development applications, planning approvals, civil works and projects involving retained trees.
Pre-Purchase Arboricultural Due Diligence ReportÂ
A Pre-Purchase Arboricultural Due Diligence Report provides independent advice on significant trees and potential arboricultural constraints before purchasing or developing a property.
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Redtail reviews significant trees, their condition, foreseeable management issues and potential tree-related constraints affecting the property or future development.
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The assessment may also consider neighbouring and street trees, available property information and matters requiring further investigation, helping purchasers understand arboricultural risks, constraints and likely management considerations before committing to a purchase.
Tree Protection Plan & Tree Protection Specifications (TPP/TPS)
A Tree Protection Plan (TPP) and Tree Protection Specification (TPS) documents how retained trees are to be protected during demolition, construction and associated site works.
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Redtail defines tree protection zones, fencing, access controls, excavation and service requirements, prohibited activities, arborist hold points and monitoring requirements.
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The plan and specification provide builders, contractors and project teams with clear AS 4970:2025 tree protection requirements for managing works around retained trees.
Project Arborist Monitoring, Reporting & Certification
Project Arborist Monitoring, Reporting & Certification provides professional arboricultural oversight during construction where retained trees are subject to tree-protection requirements during demolition, construction or site works.
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Redtail can undertake pre-start inspections, verify tree protection measures, attend critical stages and hold points, monitor works within or near protected tree areas, document non-conformance and complete practical-completion assessments.
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Project arborist services across Perth and Western Australia can also include compliance reporting and certification where sufficient inspection records and evidence are available.