18 12 2025
The EIP: 10 Days of the 10 Goals - Goal 6: Resources
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During pupillage, Rossen was supervised by Alex Goodman KC, Chris Jacobs, Jon Wills, Leon Glenister, and Dr Ashley Bowes, gaining significant experience across Chambers’ core practice areas.
Public law: Rossen has broad experience spanning asylum, human rights, education, asylum support, community care, and Children Act matters. He has acted in asylum cases concerning persecution by non-state actors and sexual orientation, appeared pro bono in the SEND Tribunal, and gained substantial judicial review experience under the supervision of Landmark’s leading public law practitioners.
Planning law: Rossen covers the full range of issues, including enforcement, statutory review, certificates of lawful use or development, planning inquiries, public rights of way, Green Belt development and the interpretation of policy in relation to the grey belt. He has also gained experience in planning inquiries concerned with sensitive developments such as energy infrastructure projects in conservation areas.
Environmental law: Rossen has advised on Habitats Regulations Assessment and statutory review. His experience also includes cases concerning disclosure under the Environmental Information Regulations, and the UK’s international obligations on climate change.
Property law: Rossen appears regularly in the County Court in possession proceedings, and has experience across adverse possession, boundary disputes, and right of way easements.
Alongside his professional practice, Rossen is committed to access to justice, continuing to act pro bono in appropriate cases. He worked at number of leading refugee charities and NGOs, such as the British Red Cross, Refugee Council, Freedom from Torture and Asylum Support Appeals Project. His charity sector background equips him to work with individuals and NGOs alike, and he brings particular care to cases involving vulnerable clients.
Rossen is fluent in Bulgarian.
Rossen has broad public law experience across a wide range of issues developed during pupillage and his prior career. He takes instructions from both claimants and defendants across all areas of public law.
Areas of particular specialism and highlights include:
Rossen is a member of the Administrative Law Bar Association (ALBA) and the Human Rights Lawyers Association (HRLA).
Rossen accepts instructions in all areas of planning law. During pupillage, and previously as a judicial assistant, Rossen gained significant experience across all areas of planning law, including enforcement, statutory review, certificates of lawful use or development, planning inquiries, public rights of way, Green Belt development, and the interpretation of policy in relation to the grey belt. Highlights include:
Rossen accepts instructions in all areas of planning and environmental law. During pupillage, and previously as a judicial assistant, Rossen gained significant experience across a broad range of environmental law. Highlights include:
Rossen is a member of the Planning and Environmental Bar Association (PEBA) and the United Kingdom Environmental Law Association (UKELA).
Rossen appears regularly in the County Court in possession proceedings and related matters. He was supervised by Jon Wills and gained experience in a range of matters including: adverse possession; boundary disputes; and, rights of way easements.
Landmark's barristers often work at the intersection of our core practice areas; bringing a wide range of skills, knowledge and experience to bear on a particular dispute or issue facing a client.
Our focus is always on achieving the best possible outcome for our client. By viewing the client's objectives in a holistic way - and not purely through the lens of one rigidly-defined legal area - we deliver the best possible advice and representation in complex matters that engage multiple specialist areas of law.
Whether it's providing support as an individual cross-practice barrister or a cross-disciplinary team of Landmark counsel, we are able to draw on an outstanding array of complementary skillsets and knowledge bases. This often achieves a better result than instructing multiple barristers from different specialist sets. This also improves the quality of client care through increased levels of communication, quicker response times, and a coordinated approach to clerking and fees, made possible by our team-based cross-practice approach.
Please contact our practice management team for more information.
Runner-up in the Bar Council Law Reform Essay Competition awarded December 2020: “Citizens of nowhere: the case for a statutory appeal right as part of the UK Statelessness Determination Procedure” Available at: https://www.barcouncil.org.uk/becoming-a-barrister/students-and-graduates/law-reform-essay-competition/past-winners.html
Contact our friendly and helpful Practice Managers for more information about our barristers and services or to make an enquiry.
