Breellen specialises in environmental, development and planning and natural resources law. She 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. She is admitted as a solicitor in NSW and England and Wales, and regularly presents seminars and authors articles on a range of topics including climate change, environmental compliance, pollution, contamination as well as legislative changes.
Aside from her listing in Best Lawyers in Australia, Breellen is also recognised in the 2020 edition of Doyle's Guide as a recommended lawyer in Planning & Development Law in NSW.