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Mariusz Rumun

Call 2019

Construction & Engineering

Mariusz is continuing to develop his practice in construction disputes.

Examples of Mariusz’s work include:

  • Acted on behalf of the Responding Party in an adjudication brought against an architect seeking damages in respect of the allegedly negligent design of concrete works at a tram terminal.
  • Advising on and preparing a claim against a subcontractor responsible for the commission and installation of plumbing in a new-build property. The claim raised issues under the Defective Premises Act 1972 as well as in negligence.
  • Drafting the Defence in a claim by an installer of windows and doors against a contractor concerning unpaid invoices, raising issues of defective works and abatement.
  • Advising as to the contractual and tortious duties owed by the lead consultant on a major development concerning issues of defective design and delay (as a pupil).
  • Preparing a note on issues of causation in a claim against the designers and builders of a lift shaft in a property which was destroyed by fire (as a pupil).

Selected Cases

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  • Lord Denning Scholarship, Lincoln’s Inn (2018)
  • BPTC Advocacy Scholarship, BPP University (2018)



  • BPTC (Very Competent), BPP Law School
  • LLM Commercial Law (Distinction), London School of Economics and Political Science
  • BA (Hons) Law (2.1), University of Cambridge, Downing College

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