Nicholas Ostrowski > Chambers of Stephen Hockman QC > London, England > Lawyer Profile

Chambers of Stephen Hockman QC
Six Pump Court


Nicholas Ostrowski’s practice covers the whole range of civil and criminal matters across Chambers’ specialist practice areas, particularly in regulatory law of all types and in planning and environmental law. Nicholas’s broad workload means that he has significant experience as a trial advocate and appears in a wide range of courts and tribunals. He is appointed to the Attorney General’s List of Junior Civil Counsel to the Crown and to the Attorney General’s List of Specialist Regulatory Advocates and is equally at home in the civil and the criminal courts. In his regulatory practice, he has appeared and advised for the prosecution and defence in a range of cases brought on behalf of the Environment Agency and the Health & Safety Executive (HSE). Nicholas also has significant experience of financial regulation and he has been instructed on behalf of the Enforcement and Market Oversight Team at the Financial Conduct Authority (FCA) as well as the Consumer Credit team at the Office of Fair Trading (OFT) and he frequently advises and appears for and against local authorities in fraud cases. In his planning practice, Nicholas represents Local Planning Authorities and developers in planning inquiries as well as giving advice across a broad range of planning matters. He has particular experience of enforcement matters at the High Court, in enforcement inquiries and at trial for breach of enforcement notices. Nicholas also appears frequently in multi-track and fast track trials across different areas of law including housing, construction and contractual disputes. He has experience of applying for interim relief including freezing injunctions and other urgent applications in the High Court.


Called: 2009; Gray’s Inn. David Karmel Scholarship; Prince of Wales Scholarship; Travelling Scholarship. Nicholas is an active member of the Bar Pro Bono Unit and has appeared pro bono in a variety of matters. In 2012 Nicholas was awarded a Pegasus scholarship by Inner Temple and worked with a number of environmental and planning lawyers in the United States. Prior to commencing practice at the Bar, Nicholas worked as a paralegal at the Baha Mousa Public Inquiry and was granted a scholarship to assist in the appeals of a number of prisoners on death row at the Independent Jamaican Council of Human Rights.


UK Environmental Law Association; Haldane Society; Administrative Law Bar Association; Nicholas is an active member of the Bar Pro Bono Unit and has appeared pro bono in a variety of matters.


St James School for Boys, Twickenham; University of York (2005 BA English Literature and Politics, First); University College London (2006 MA Legal & Political Theory); City University (2007 Graduate Diploma in Law, Commendation); BPP (2008 Bar Vocational Course, Very Competent).

Lawyer Rankings

London Bar > Planning

(Leading Juniors) Ranked: Tier 4

Nicholas OstrowskiSix Pump CourtGood on difficult issues when clients need to be delivered unpalatable truths.

London Bar > Health and safety

(Leading Juniors) Ranked: Tier 4

Nicholas OstrowskiSix Pump CourtNicholas is knowledgeable, thorough and in the details. A barrister who is very personable and who is extremely well regarded by solicitors and clients alike. His submissions were well judged and skilfully identified the central issues in the case and their relevance to the sentencing guidelines.

London Bar > Environment

(Leading Juniors) Ranked: Tier 3

Nicholas OstrowskiSix Pump CourtA deeply knowledgeable environmental lawyer with a practical, commercial approach who is great with clients.