10 Most Common Construction Tree-Protection Breaches NSW
About this post: The 10 most common tree-protection breaches we see on NSW construction sites — what they are, why […]
Construction & Tree Protection
Arborist Reports & DA
PAR vs AIA: Which Arborist Report for Your NSW DA?
About this post: A practical guide to choosing between a Preliminary Arboricultural Report (PAR) and an Arboricultural Impact Assessment (AIA)
Tree Damage & Valuation
Tree Topping NSW: Penalties, AS 4373, Claim Path
About this post: What “topping” actually means under the Australian Standard AS 4373, why it’s almost always non-compliant in NSW, the
Tree Damage & Valuation
NSW Tree Valuation Methods: STEM vs CTLA vs Helliwell
About this post: A practical comparison of the three tree-valuation methods used in NSW arboricultural practice: STEM (Burnley), CTLA Trunk
Arborist Reports & DA
AS 4970-2025 Explained: What Changed for NSW DAs
About this post: A plain-English guide to what changed in AS 4970-2025 (Protection of Trees on Development Sites) from the 2009