Breellen is a Partner within the Property and Projects team and specialises in environmental, development and planning and natural resources law.

Breellen advises both private and public sector clients across various industries on planning, environment and government matters and has worked both within and for government agencies in NSW and in the UK.

Breellen has particular expertise in providing practical, strategic legal advice on Federal and State planning and environmental approvals processes for major projects, including under the Environmental Planning and Assessment Act 1979 (NSW), the Environment Protection and Biodiversity Conservation Act 1999 (Cth). In addition, Breellen advises on waste regulation, contamination, environmental and reputational risk management and environmental regulation.

Breellen also handles litigious matters relating to development appeals, judicial review and environmental prosecutions in the Land and Environment Court.

Breellen is admitted as a solicitor in NSW and England and Wales. She also regularly presents seminars and authors articles on a range of topics including climate change, environmental compliance, pollution, contamination as well as legislative changes.


Breellen’s expertise includes: 

  • environmental risk management and compliance 
  • pollution and licensing, including enforcement and litigation 
  • waste, including licensing, levies and compliance issues 
  • biodiversity protection, including biobanking
  • native vegetation and natural resource management 
  • contaminated land management and remediation 
  • strategic planning and development advice 
  • environmental impact assessment 
  • planning agreements
  • heritage law 
  • land and Environment Court litigation 
  • planning and environmental due diligence 
  • climate change law and policy 
  • sustainability, including environmental upgrade agreements 
  • corporate social responsibility.


27 November 2018 - Knowledge

Tougher penalties for asbestos waste offences

#Planning, Environment & Sustainability

Asbestos dumpers will soon be hit with significantly increased fines following the passing of new laws last week. Under the measures, that clarify and strengthen the existing provisions, penalties for waste offences involving asbestos will jump from $250,000 to $500,000 for individuals and from $1 million to $2 million for corporations. We outline the key aspects of the new laws and the impetus behind them.

15 November 2018 - Knowledge

Preparing clause 4.6 requests to vary development standards: An applicant’s guide

#Planning, Environment & Sustainability

This article reflects on recent cases and provides a practical guide on how to prepare a clause 4.6 Request to vary development standards

19 September 2018 - Knowledge

Profiting from pollution: New measures aimed at recovering the proceeds of environmental crime

#Planning, Environment & Sustainability

This article looks at the recent guidelines published by the NSW Environment Protection Authority which explain how and when they will seek to recover monetary benefits from environmental offenders.