Environmental law and public law

We challenge decisions of public authorities in all areas of public law, planning and the environment.

Environmental law and public law Image

Over many decades, Ruadhán and Colm have brought several successful high profile public law and environmental law cases

  • McKenna (No.2) v Ireland (1997): a successful Supreme Court challenge to Government expenditure during a referendum campaign, which became known as the McKenna principles;   

  • Doherty v Government of Ireland (2011): a successful High Court challenge to a refusal by Government to hold a Dáil bye-election in Donegal; 

  • Mallak v Minister for Justice (2012): the Supreme Court overturned a High Court decision whereby decision-makers have a duty to provide reasons for their decisions.

  • McCrystal v Minister for Children (2013): Supreme Court ruling against the Government for funding an information campaign during the course of a referendum which infringed the McKenna principles; 

  • Comharchumann Rathcairn v An Bord Pleanála (2021): High Court judgment to quash a decision of An Bord Pleanála to grant planning to a developed for a large scale development  in the County Meath Gaeltacht on grounds that it was not satisfied that the proposed development complied with requirements to show that it would enhance the use of the Irish language in the area. 

Our services in the area of public law, planning and environment include the following: 

  • Public law 

  • General planning issues (including judicial reviews) 

  • Protection of habitats 

  • Renewable energy planning issues 

  • Strategic housing cases 

  • Climate action litigation

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They represented my parents and cannot speak highly enough of Colm McGeehan.

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Quick and easy way to get documentation stamped, nice personnel


Professionals is the word to describe the services.

David Gabriel

Very professional with a lot of experience. Very satisfied .