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Administrative law [2026] IECA 42

Friends of the Irish Environment v The Minister for the Environment, Climate and Communications & ors (Unapproved)

Friends of the Irish Environment v The Minister for the Environment, Climate and Communications & ors (Unapproved) [2026] IECA 42 (19 March 2026)

The Court of Appeal dismissed a challenge to CAP23, holding the statutory test required a realistic evidential foundation, not strict compliance or scientific certainty.

  • Statutory interpretation
  • Carbon budget compliance
  • Judicial review standards
  • Burden of proof
  • Expert evidence
  • Public participation
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Planning law [2026] IEHC 135

Rural Residents Wind Aware and Environmental Group and Ors v An Coimisiun Pleanala and Ors [I] [No. 2] (Approved)

Rural Residents Wind Aware and Environmental Group and Ors v An Coimisiun Pleanala and Ors [I] [No. 2] (Approved) [2026] IEHC 135 (06 March 2026)

The High Court dismissed a judicial review challenge to a wind farm planning permission, holding any original landowner-consent defect was rectified and harmless.

  • Judicial review
  • Planning permission
  • Environmental impact assessment
  • Public participation
  • Standing
  • Harmless error doctrine
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Planning law [2026] IEHC 136

Rural Residents Wind Aware and Environmental Group and Ors v An Coimisiun Pleanala and Ors [II] [No. 2] (Approved)

Rural Residents Wind Aware and Environmental Group and Ors v An Coimisiun Pleanala and Ors [II] [No. 2] (Approved) [2026] IEHC 136 (06 March 2026)

The High Court dismissed a judicial review challenge to a section 146B wind farm amendment decision, holding that public participation was not triggered and no invalidity was shown.

  • Public participation
  • Appropriate assessment
  • Material alteration
  • Conservation objectives
  • Judicial review
  • Environmental impact assessment
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Planning law [2026] IEHC 65

Hoctor and Ors v An Coimisiun Pleanala and Anor (Approved) (Rev1)

Hoctor and Ors v An Coimisiun Pleanala and Anor (Approved) (Rev1) [2026] IEHC 65 (10 February 2026)

The High Court granted declaratory relief for failure to publish an ecologist’s report, but otherwise rejected the judicial review challenge to wind farm permission.

  • Judicial review
  • Planning permission
  • Environmental impact assessment
  • Appropriate assessment
  • Material contravention
  • Public participation
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Environmental law [2026] IEHC 67

McDonald and Ors v Minister for Housing, Local Government and Heritage [No.3] (Approved)

McDonald and Ors v Minister for Housing, Local Government and Heritage [No.3] (Approved) [2026] IEHC 67 (10 February 2026)

The High Court referred questions to the CJEU on whether binding apartment design guidelines require SEA under Directive 2001/42.

  • Strategic environmental assessment
  • Public participation
  • Interpretation of eu directives
  • Binding planning guidelines
  • Environmental impact assessment
  • Strategic-environmental-assessment
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Administrative law [2026] IEHC 66

McDonald and Ors v Minister for Housing, Local Government and Heritage [No.2] (Approved)

McDonald and Ors v Minister for Housing, Local Government and Heritage [No.2] (Approved) [2026] IEHC 66 (10 February 2026)

The High Court reconfigured questions for a CJEU reference on SEA and planning guidelines, holding the non-SPPR text issue was acte clair against the applicants.

  • Strategic environmental assessment
  • Public participation
  • Interpretation of eu directives
  • Aarhus convention
  • Kyiv protocol
  • Planning guidelines
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Planning law [2026] IEHC 62

Moss and Ors v An Coimisiun Pleanala and Anor (Approved)

Moss and Ors v An Coimisiun Pleanala and Anor (Approved) [2026] IEHC 62 (10 February 2026)

Judicial review challenge to a solar farm permission failed. The High Court rejected claims about EIA, development plan validity, and planning notice defects.

  • Judicial review of planning decisions
  • Environmental impact assessment (eia)
  • Appropriate assessment
  • Public participation
  • Development plan validity
  • European union environmental directives
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Planning law [2026] IEHC 46

Duffy v The Minister For Housing, Local Government and Heritage and Anor (Approved)

Duffy v The Minister For Housing, Local Government and Heritage and Anor (Approved) [2026] IEHC 46 (30 January 2026)

The High Court dismissed Michael Duffy’s challenge to a ministerial planning direction on Clare’s development plan, holding his submissions were considered under the statutory process.

  • Development plans
  • Ministerial directions
  • Public participation
  • Wastewater treatment
  • Judicial review procedures
  • Planning-law
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Planning law [2025] IEHC 656

Croft v Dublin City Council (Approved)

Croft v Dublin City Council (Approved) [2025] IEHC 656 (28 November 2025)

Planning permission was quashed after the court found the invalid site notice was not removed and a fresh notice was not erected for the re-lodged application.

  • Public participation
  • Site notice requirements
  • Judicial review procedure
  • Natural justice
  • Planning and development regulations
  • Planning-law
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Planning law [2025] IEHC 608

North Westmeath Turbine Action Group & Anor v An Bord Pleanala & Ors (Approved)

North Westmeath Turbine Action Group & Anor v An Bord Pleanala & Ors (Approved) [2025] IEHC 608 (10 November 2025)

The High Court held that public notice of the EIA was defective because it omitted the grid connection works, but it limited relief to a declaration and refused certiorari.

  • Environmental impact assessment
  • Public participation
  • Planning permission
  • Project splitting
  • Judicial discretion
  • Remedies in judicial review
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Ireland decisions are organised by court, judge, legal area and indexed issue so a practitioner can move from a proposition to a citable authority with the surrounding context intact.