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Sarah Grenfell is a solicitor-advocate and Partner in our Infrastructure, Construction and Energy (ICE) Disputes Group. 

Sarah advises clients on disputes avoidance and all forms of dispute resolution in the infrastructure, construction and energy sectors. Specialising in high-value, complex disputes, Sarah has advised clients on projects around the globe, including the UK, Central and Eastern Europe, CIS countries, India, the Middle East, North and East Africa, Australia and Asia.

Relevant experience

  • A Japanese EPC contractor in respect of disputes arising from a USD 7 billion refinery project in the Middle East. 
  • A middle eastern power producer in respect of issues arising from the construction of a CCGT power plant. 
  • A national oil company in a US$1.4 billion ICC arbitration against an international oil company concerning crossflows between adjacent oil blocks offshore.  
  • One of the world’s largest investor-owned energy companies in relation to damage caused to subsea cables and associated repair works. 
  • A large Russian energy company in relation to an LCIA arbitration concerning disputes arising under a sale and purchase agreement.
  • An independent power producer in an LCIA arbitration concerning the pricing of natural gas in Israel. 
  • A multinational oil and gas company in arbitration proceedings against one of the largest multinational oil and gas service companies in relation to the redevelopment of an oil field in Iraq. 
  • A JV main contractor on a multi-billion dollar dispute in relation to civil works in Dubai, involving substantial delay and disruption claims.

Education

  • 2015 - Admitted as a solicitor of the Supreme Court of England and Wales.
  • 2004 - LLM University of Queensland, Australia 
  • 2003 - Admitted as a solicitor of the Supreme Court of Queensland, Australia.
  • 2002 - LLB University of Queensland, Australia

Insights by Sarah

Energy: ICSID Convention awards are not assignable in England

24 Feb 2026 9 min read

Energy: Requirements of a trust

23 Feb 2026 12 min read

Waiver and estoppel defences to claims notification provisions

20 Oct 2025 19 min read

CMS Annual Review of developments in English oil and gas law 2025

01 Oct 2025 2 min read
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