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Planning and environmental law [2026] IEHC 301

Rural Residents Wind Aware and Environmental Group & Ors v An Coimisiun Pleanala & Ors (No. 3)

Rural Residents Wind Aware and Environmental Group & Ors v An Coimisiun Pleanala & Ors (No. 3) [2026] IEHC 301 (15 May 2026)

The High Court refused leave to appeal in a planning judicial review, holding the proposed questions were fact-specific, misconceived, and not of exceptional public importance.

  • Judicial review of planning decisions
  • Leave to appeal criteria
  • Material alteration under planning and development act 2000
  • Public participation in planning
  • Finality in planning litigation
  • Planning-judicial-review
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Planning law [2026] IEHC 286

Walsh v An Coismisiun Pleanala (Approved)

Walsh v An Coismisiun Pleanala (Approved) [2026] IEHC 286 (08 May 2026)

The High Court dismissed a judicial review challenge to a planning refusal, holding that the Board could assess the workability and enforceability of car-free access arrangements.

  • Judicial review of planning decisions
  • Workability and enforceability of planning conditions
  • Fair procedures in administrative decision-making
  • Interpretation of development plan objectives
  • Judicial-review
  • Planning-law
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Planning law [2026] IEHC 224

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

Connolly and Anor v An Coimisiun Pleanala and Ors (Approved) [2026] IEHC 224 (17 April 2026)

Judicial review of a planning approval for a substation and grid connection serving a solar farm failed. The High Court found no legal error, irrationality, or failure to consider relevant matters.

  • Judicial review of planning decisions
  • Strategic infrastructure development
  • Environmental impact assessment
  • Appropriate assessment
  • Development plan compliance
  • Standing and procedural requirements
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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 and environmental law [2025] IEHC 727

McGowan and Anor v An Coimisiun Pleanala (Approved) (Rev1)

McGowan and Anor v An Coimisiun Pleanala (Approved) (Rev1) [2025] IEHC 727 (17 December 2025)

Judicial review of a planning permission for a 24m telecoms mast in Co. Leitrim was dismissed. The court found adequate reasons, no material legal error, and no EIA or AA defect.

  • Judicial review of planning decisions
  • Environmental impact assessment (eia)
  • Appropriate assessment (habitats directive)
  • Material contravention of development plan
  • Procedural fairness
  • Standing and onus of proof
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Planning law [2025] IEHC 725

Doyle v An Coimisiún Pleanala (Approved) (Rev2)

Doyle v An Coimisiún Pleanala (Approved) (Rev2) [2025] IEHC 725 (17 December 2025)

The High Court dismissed a judicial review challenge to permission for a telecoms mast at Laytown, finding no proven planning, policy, or EIA error.

  • Judicial review of planning decisions
  • Environmental impact assessment (eia)
  • Appropriate assessment (aa)
  • Planning and development act 2000
  • Planning regulations compliance
  • Aarhus convention
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Planning and environment [2025] IEHC 701

Morehart v An Coimisiun Pleanala (Approved)

Morehart v An Coimisiun Pleanala (Approved) [2025] IEHC 701 (08 December 2025)

The High Court refused to certify an appeal in a planning judicial review, holding the proposed question was not one of exceptional public importance.

  • Judicial review of planning decisions
  • Functus officio
  • Discretion to grant certiorari
  • Leave to appeal
  • Section 50a(7) planning and development act 2000
  • Planning-and-environment
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Planning law [2025] IEHC 641

AAI Baneshane Ltd v An Coimisiun Pleanala (Approved)

AAI Baneshane Ltd v An Coimisiun Pleanala (Approved) [2025] IEHC 641 (21 November 2025)

The High Court upheld a refusal of planning permission, rejecting claims that An Coimisiún Pleanála misread density guidelines, gave inadequate reasons, or failed to impose conditions.

  • Judicial review of planning decisions
  • Obligation to give reasons
  • Project-splitting
  • Planning conditions
  • Harmless error doctrine
  • Judicial-review
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Planning law [2025] IEHC 632

Oxigen Environmental UnLtd Company v An Bord Pleanala (Approved)

Oxigen Environmental UnLtd Company v An Bord Pleanala (Approved) [2025] IEHC 632 (19 November 2025)

The High Court upheld An Coimisiún Pleanála’s refusal of permission for a waste facility in Dundalk, rejecting challenges to planning judgment, EIA assessment, zoning, and groundwater impacts.

  • Judicial review of planning decisions
  • Environmental impact assessment
  • Development plan interpretation
  • Material contravention
  • Procedural fairness
  • Planning-law
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Planning law [2025] IEHC 510

Moran v An Bord Pleanala & Ors (Approved)

Moran v An Bord Pleanala & Ors (Approved) [2025] IEHC 510 (26 September 2025)

The High Court dismissed a planning judicial review, holding that refusal of a family-flat retention application was lawful and that the Board gave adequate reasons.

  • Judicial review of planning decisions
  • Interpretation of development plans
  • Requirement for reasons in administrative decisions
  • Proper planning and sustainable development
  • Residential amenity
  • Planning-law
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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.