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Trees in strata: who's responsible, and who decides?

Short answer: Trees on common property are the owners corporation's responsibility: under the Strata Schemes Management Act 2015 it must properly maintain common property. Removing a tree is usually an alteration needing a special resolution, and council approval applies just as it would to a house. Exclusive-use courtyards remain common property unless a by-law says otherwise.

Crane working between apartment buildings

The owners corporation’s duty

Under the Strata Schemes Management Act 2015, the owners corporation manages and controls common property, and “must properly maintain and keep in a state of good and serviceable repair the common property”. Trees on common property are part of that. The duty includes keeping them safe: dead branches, trees over buildings, roots damaging drains.

A lot owner can recover reasonably foreseeable loss caused by the owners corporation’s breach of that duty.

Removing a tree

Pruning and dealing with dead or dangerous trees is generally treated as maintenance. Removing a healthy tree is usually an alteration to common property, which needs a special resolution that specifically authorises it.

Council approval applies to strata trees exactly as it does to houses. The owners corporation applies, and in the Sutherland Shire the application must include owners corporation consent (minutes or a letter from the strata manager).

Exclusive-use courtyards

An exclusive-use by-law can make a lot owner responsible for maintaining an area, but the area stays common property. Unless the by-law says so, removing a tree there is likely still an alteration needing the owners corporation’s approval.

Getting it done well

  • One site-wide inspection gives the committee a prioritised list: what’s urgent, what can be scheduled, what can stay.
  • Itemised quotes let the committee approve some trees now and others at the next meeting.
  • A compliance pack (insurance certificates, SWMS, certifications) gets the contractor onto the approved list.

Disputes

NSW Fair Trading offers free strata mediation for disputes governed by strata law, before an application to NCAT.

We work for eight Sydney strata management companies. See strata tree services.

Questions

Related questions.

Can I remove a tree in my courtyard?

Probably not on your own, if the courtyard is common property with exclusive use. Removal is likely an alteration needing a special resolution unless your by-law says otherwise, plus council approval. Ask your strata manager to check the by-law.

Who pays if a strata tree damages my unit?

An owner can recover reasonably foreseeable loss caused by the owners corporation's breach of its maintenance duty, within six years of becoming aware of the loss. Talk to your strata manager and insurer.

Sources

  1. Strata Schemes Management Act 2015 (NSW)
  2. Strata disputes — NSW Government

Checked 30 September 2026. Rules change: confirm with your council or the agency before acting. This guide is general information, not legal advice.

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