Top 10 Tree Hazards on Commercial and Industrial Sites
Most Commercial Tree Risks Are Predictable
The majority of tree-related incidents on commercial sites arise from known hazard patterns, not unexpected events.
Understanding these hazards allows property managers to address them proactively.
- Overextended Limbs Above Assets
Large horizontal branches increase failure risk.
- Root Damage from Construction
Root systems compromised during upgrades lose stability over time.
- Poor Past Pruning
Incorrect cuts accelerate decay and structural weakness.
- Trees in Compacted Soils
Reduced oxygen and drainage weaken root systems.
- Multi-Stem Trees with Weak Unions
Common in older landscapes and fast-growing species.
- Deadwood Above Traffic Areas
Often overlooked until failure occurs.
- Inadequate Clearance from Buildings
Increases damage risk and maintenance costs.
- Ignored Drainage Changes
Waterlogging undermines root stability.
- Unmonitored Mature Trees
Age increases the need for assessment, not decreases it.
- Lack of Documentation
Undocumented risk decisions weaken defensibility.
What Effective Commercial Tree Management Looks Like
Well-managed sites:
- assess risk regularly
- document decisions
- prioritise high-exposure areas
- plan works strategically
- engage qualified arborists
Sensible Next Step
A professional arborist assessment provides commercial property managers with clear risk insight and supports safe, defensible site management.






