| Plaintiff v. Chief Appeals Officer [2026] IESC 22 |
Establishes that the onus of proof lies on an applicant for judicial review. |
Applied as foundational: applicant bears the burden to show an infirmity in the enforcement notice. |
| Meadows v. Minister for Justice, Equality and Law Reform [2010] IESC 3 |
General proposition that the onus of proof in judicial review lies on the applicant. |
Reinforced the court's approach that the Applicant had to discharge the onus. |
| Cork County Council v. Minister for Housing, Local Government and Heritage (No.1) [2021] IEHC 683 |
Authority supporting the onus principle in judicial review. |
Used to support the presumption of validity for administrative decisions and onus allocation. |
| Monkstown Road Residents Association v. Company B [2022] IEHC 318 |
Confirms onus remains with applicant in JR context. |
Cited as part of the line of authority on onus of proof. |
| Plaintiff v. Minister for Health [2022] IESC 32 |
Onus remains with applicant even where constitutional rights asserted. |
Applied to confirm that proving interference with rights does not shift onus in JR. |
| Moran v. Company B [2025] IEHC 510 |
Confirms presumption of validity and allocation of onus. |
Relied on to show decision-taker with evidence before it is entitled to a reasonable conclusion. |
| In re Comhaltas Ceoltóirí Éireann (Unreported, 1977) |
Supports the presumption of validity for administrative acts. |
Referenced for the general principle of presumption of validity. |
| Campus Oil v. Minister for Industry and Energy (No.2) [1983] I.R. 88 |
Authority for presumption of validity of administrative decisions. |
Referenced in support of the presumption of validity. |
| Grassridge v. Company A [2024] IEHC 669 |
Addresses standard on reasons and presumption of validity. |
Used to support the court's approach to reasons and review. |
| H.A. v. Minister for Justice [2022] IECA 166 |
Where an error is demonstrated by an applicant, the onus may shift to opposing parties to show harmlessness. |
Quoted to explain limited circumstances where onus can shift. |
| Sherwin v. Company B [2023] IEHC 26 |
Explains that an administrative onus (e.g. to conduct valid AA) does not convert into an evidential burden in JR. |
Applied to caution against converting administrative duties into judicial evidential burdens. |
| R v. Crischuk 2010 BCSC 716 |
In environmental assessment challenges, applicant must prove defects by evidence or show patent flaw on face of material. |
Used analogously to require evidential demonstration where defects alleged. |
| Reid v. Company B (No.1) [2021] IEHC 230 |
Applicant must provide evidence to show defects in AA/EIA processes. |
Applied as part of the evidential requirements discussion for environmental-type challenges. |
| An Taisce v. Company B & Ors [2022] IESC 8 |
On evidential standard for AA/EIA and decision-maker's reasons to dispel reasonable scientific doubt. |
Cited to explain evidential threshold in environmental contexts. |
| Carrownagowan Concern Group v. Company B [2024] IEHC 300 |
Affirms applicant bears burden to establish scientific/factual shortcomings in EIA/AA. |
Used to show applicant did not discharge evidential burden where required. |
| Salmon Watch Ireland & Ors v. Aquaculture Licences Appeals Board [2024] IEHC 421 |
Illustrates evidential demands in environmental challenges. |
Referentially applied in the discussion on evidential proof. |
| Nagle View Turbine Aware Group v. Company B [2024] IEHC 603 |
Emphasises that scientific/factual shortcomings must be established by the applicant. |
Used to support the court's evidential approach. |
| Minoa Ltd v. Company B [2024] IEHC 704 |
Further instance of applicant bearing evidential burden in environmental procedures. |
Cited for the same principle. |
| Ó Murthuile v. Company B [2025] IEHC 498 |
Decision-taker with evidence before it is entitled to a reasonable conclusion; applicant must show unreasonableness. |
Applied directly to conclude the Respondent had evidence to support its view. |
| Oxigen v. Company C [2025] IEHC 632 |
Example concerning proof of decision-taker's expertise and evidential standard. |
Referenced in the paragraph on evidential standards. |
| Donegal County Council v. Planree [2024] IECA 300 |
Analogue on evidential standards in planning challenges. |
Used for comparison on evidential requirements. |
| RAS Medical Ltd v. Royal College of Surgeons in Ireland [2019] IESC 4 |
Where there is a conflict of admissible evidence without cross-examination, it is generally resolved against the party carrying the onus. |
Applied to explain consequence of conflicts in evidence for the Applicant. |
| Koulibaly v. Minister for Justice [2004] IESC 50 |
Court can prefer an affidavit over oral evidence where appropriate. |
Used to support the court's discretion in evaluating evidence credibility. |
| O'Sullivan v. Health Service Executive [2023] IESC 11 |
Critique of demands for elaborate pre-decisional procedures; administrative investigations need not replicate full fair-hearing trial processes. |
Applied to reject requirement of elaborate pre-enforcement procedures. |
| O'Sullivan v. Sea Fisheries Protection Authority [2017] IESC 75 |
Similar warning against importing full criminal-trial procedural expectations into preliminary administrative investigations. |
Used to support a workable approach to preliminary enforcement procedures. |
| Crayden Fishing Company v. Sea Fisheries Protection Authority [2017] IESC 74 |
Explains limits of fair-hearing obligations at preliminary stages. |
Referenced to resist over-extension of fair procedures at warning-letter stage. |
| Attorney General v. Crosland (No.2) [2021] UKSC 58 |
Discusses confidentiality of draft judgments (cited regarding draft judgment procedure). |
Cited to justify confidentiality directions in relation to draft judgment circulation. |
| Baigent v. Random House Group Ltd [2006] EWHC 1131 (Ch) |
Referenced in discussion of draft judgment confidentiality. |
Illustrative reference in the court's procedural directions. |
| R. (Counsel General for Wales) v. Secretary of State for Business, Energy and Industrial Strategy [2022] EWCA Civ 181 |
Authorities addressing publication restrictions and draft material. |
Referenced in procedural context. |
| Public Institution for Social Security v. Banque Pictet & Cie SA [2022] EWCA Civ 368 |
Further authority on confidentiality and draft materials. |
Referential use in procedural guidance. |
| Itkin v. Wood [2023] JRC 101 |
Discusses draft judgment confidentiality (Jersey authority). |
Referenced in procedural paragraph. |
| I.S.O.F. v. Minister for Justice [2010] IEHC 457 |
Judicial review legality is viewed through the lens of material before the decision-maker at the time. |
Applied to emphasise that the court reviews what was before the Respondent when it decided to issue the notice. |
| Jahangir v. Minister for Justice [2018] IEHC 37 |
Same principle: review limited to material before decision-taker. |
Applied as part of the "lens of the material before the decision-maker" analysis. |
| M.H. (Bangladesh) v. Refugee Appeals Tribunal [2018] IEHC 496 |
As above; points about the temporal lens for JR. |
Reinforced the court's approach to admissible material. |
| North Great Georges Street Preservation Society v. Company B [2023] IEHC 241 |
Belatedly introducing points in JR that were not raised to the decision-maker is generally impermissible. |
Applied to reject late-evidenced arguments not put to the Respondent. |
| O'Connor v. Kerry County Council 1988 I.L.R.M. 660 |
If defence is exempted development, s.5 is the appropriate remedy; the court should not decide technical matters unless decision so unreasonable as to warrant JR. |
Cited to explain appropriateness of alternative remedies (s.5) over JR for exempted-development disputes. |
| Devil's Glen Equestrian Centre Ltd v. Wicklow County Council [2010] IEHC 356 |
Similar approach: factual/merits disputes better resolved in alternative procedures. |
Applied to support refusal to convert merits dispute into JR ground. |
| Flynn Machine & Crane Hire v. Wicklow County Council [2009] IEHC 285 |
JR is not an appellate forum to re-decide facts; applicant must show departure from statutory remit. |
Invoked to frame limited ambit of JR in enforcement notice context. |
| Wicklow County Council v. Fortune [2012] IEHC 406 |
Date of commencement of development is typically within Respondent's knowledge; seven-year defence logically a matter for defence, not jurisdictional bar. |
Applied to hold time limit is a defence, not a jurisdictional prerequisite to issuing an enforcement notice. |
| O'Neill v. Kerry County Council [2015] IEHC 827 |
Section 153 investigation may be summary; site visit and planning history review can satisfy s.153. |
Used to support adequacy of the Respondent's summary investigation. |
| Doorly v. Corrigan [2022] IECA 6 |
Failure to explain patently relevant questions in one's evidence can affect credibility. |
Referred to when discussing evaluation of competing averments. |
| Patterson v. Murphy [1978] I.L.R.M. 85 |
Principle that intensification can require permission and defeat a seven-year defence. |
Applied to support Respondent's argument that intensification/resumption can defeat time-bar defence. |
| Butler v. Dublin Corporation [1999] IESC 19 |
On intensification and requirement for permission affecting time-bar considerations. |
Referenced in the context of resumption/intensification law. |
| Kildare County Council v. Goode (1999) & later authorities |
Abandonment/resumption and permission-inconsistent-use principles affecting the seven-year defence. |
Cited as part of established principles on abandonment, resumption and intensification. |
| Pierson v. Keegan Quarries Ltd [2010] IEHC 404 |
Authority on abandonment/resumption and seven-year considerations. |
Included among authorities justifying Respondent's approach to timing. |
| Lanigan v. Barry [2016] IESC 46 |
Confirms principles on intensification and requirement for permission. |
Referenced in the same group of authorities. |
| Clonres CLG v. Company B [2021] IEHC 303 |
Permission for an inconsistent use can be evidence of abandonment. |
Used to explain how prior permissions may affect seven-year assessments. |
| Simons on Planning Law (text) |
Textual observation that grounds for JR in enforcement contexts are severely limited. |
Quoted for doctrinal support on scope of JR. |
| Other authorities cited in-text (authorities on reasons, procedure and review) |
Supporting points on reasons law, workability, and limits of fair procedures at preliminary stages. |
Collectively applied to form the court's framework for review of enforcement notices. |