Europe - Ireland

Mason Hayes & Curran LLP

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Mason Hayes & Curran LLP’s planning and environment team is known for advising on some of the most high-value and high-profile recent domestic and cross-border infrastructure projects. Deirdre Nagle heads the practice and regularly assists clients from the energy sector with planning and consent applications. Hannah Gallagher and Grainne Tiernan specialise in contentious matters and are experienced in representing clients in judicial review proceedings and injunctions. Other key members of the team include Jay Sattin and Elaine Keating.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The strength in depth of the team and their robust knowledge of technical planning and environmental laws always lends itself to the MHC team delivering solid, pragmatic, and commercially minded advice to clients.’
  • ‘Jay Sattin is very knowledgeable and offers practical solutions to clients on what they need to do to secure planning permission and environmental consent.’
  • ‘Deirdre Nagle is a leading expert in planning and environmental matters in the Irish market. Grainne Tiernan is a talented lawyer and provides great service.’
  • ‘MHC's client-focused approach is very welcome. Urgent items are always prioritised, and the team are always accessible to talk items through.’
  • ‘Accessibility is one of MHC's strengths, which makes it stand out above its competitors. The short time it takes to turn around tasks is also a MHC trait. Deirdre Nagle stands out in this regard.’
  • ‘A knowledgeable, dynamic team. Presentation of easily understandable information. Responsive and quick turnaround on providing advice.’
  • ‘A strong, experienced team in environmental and planning matters that has worked on several state utility and private projects. Good access to strong legal counsel and fully abreast of planning and environmental matters.’
  • ‘MHC provide a high level and quality of service thanks to their team’s experience of providing comprehensive legal advice to the Irish energy sector.’

Key clients

  • Elgin Energy Limited
  • SSE
  • RWE
  • Ørsted
  • FuturEnergy
  • EirGrid
  • Statkraft
  • Glenveagh
  • Ashcroft Developments
  • Uisce Eireann

Work highlights

  • Represented Ashcroft Developments in an appeal to the Supreme Court against an order of the High Court dismissing the client's judicial review proceedings relating to the de-zoning of its lands in Co Meath from 'residential housing' to 'community infrastructure'.
  • Advised Uisce Éireann on various matters related to the ongoing upgrading works of Ireland’s water and water treatment systems.
  • Advised SSE on all aspects of the planning and environmental elements of Phase II of the offshore Arklow Bank Wind Farm.

Lawyers

Next Generation Partners

Practice head

The lawyer(s) leading their teams.

Deirdre Nagle

Other key lawyers

Grainne Tiernan, Jay Sattin, Hannah Gallagher, Elaine Keating