| Waltham Abbey v. An Bord Pleanála; Pembroke Road Association v. An Bord Pleanála [2022] IESC 30 |
Statutory provisions should be interpreted in a workable, sensible manner. |
The court applied workability to avoid imposing on developers an unworkable obligation to identify wayleaves that may not be apparent on title. |
| Frescati Estates Ltd v. Walker [1975] IR 177 |
Earlier authority concerning owner consent and standing in planning contexts (historical context). |
The court held Frescati is of limited relevance given later express regulations (Art. 22) and that the regulations govern owner-consent requirements. |
| 100 Meter Tall Group v. An Bord Pleanála [2025] IESCDET 85 |
Statutory words should be given meanings in accord with the essence of the provision. |
Cited for interpretive approach supporting a workable reading of Article 22 obligations. |
| McGowan v. An Coimisiún Pleanála [2025] IEHC 405 |
Discretionary powers should not be construed to impose unworkable requirements. |
Supported court's approach that requiring exhaustive title investigations at application stage would be unworkable. |
| A.P. v. Director of Public Prosecutions [2011] IESC 2 |
Applicants are confined to their pleadings in judicial review. |
Used to reject arguments that fell outside the pleaded case (e.g. new claims about an ESB line). |
| Khashaba v. Medical Council [2016] IESC 10 |
Pleading constraints in judicial review (applicants confined to pleadings). |
Reinforced the need for clear pleading of complex EU-related claims. |
| Casey v. Minister for Housing [2021] IESC 42 |
Pleading requirements and limitation on advancing unpleaded arguments. |
Supported the requirement that complex EU law arguments be articulated with clarity on the pleadings. |
| Concerned Residents of Treascon and Clondoolusk v. An Bord Pleanála [2024] IESC 28 |
Applicants confined to pleaded case; court should not grant unpleaded relief beyond contours of the pleaded grounds. |
Applied to decline relief where the Applicants had not pleaded necessary elements. |
| Eglington Residents Association v. An Bord Pleanála [2025] IEHC 209 |
Pleading rules are well-established and mandatory in complex planning/EU law contexts. |
Supported court's emphasis on stringent pleading requirements for EU-heavy claims. |
| Reid v. An Bord Pleanála (No. 7) [2024] IEHC 27 |
Pleading must provide an acceptable degree of clarity; applicants confined to grounds pleaded. |
Applied in assessing adequacy of Plaintiffs' pleadings (e.g. on wayleaves and owner status). |
| People Over Wind & Anor v. An Bord Pleanála (No. 1) [2015] IEHC 271 |
Pleading stringency in judicial review; EU law issues require particular clarity. |
Referred to when considering whether EU-law complaints (AA/EIA) had been properly pleaded and evidenced. |
| Sweetman v. An Bord Pleanála (Sweetman XV) [2020] IEHC 39 |
Complex EU law arguments require clarity in pleadings. |
Reinforced approach to EU pleading requirements applied here. |
| Rushe v. An Bord Pleanála [2020] IEHC 122 |
Similar: need for clear pleadings on EU matters. |
Used to underscore that non-transposition claims must be on the pleadings. |
| Alen-Buckley v. An Bord Pleanála [2017] IEHC 311 |
Non-transposition claims not raised on pleadings are impermissible. |
Cited to limit the scope of EU-related pleading advanced by the Plaintiffs. |
| Ballyboden Tidy Towns Group v. An Bord Pleanála & Ors. [2024] IESC 4 |
Court can grant unpleaded relief only within contours of pleaded grounds; court must be satisfied even without opposition. |
Applied in assessing whether omission of the notice party's statement of opposition affected the outcome and in emphasizing court's duty to be satisfied on the merits. |
| Foley v. Environmental Protection Agency [2022] IEHC 470 |
Need to specify factual route-map linking alleged factual problem to relief sought. |
Used to require Applicants to connect alleged errors to specific reliefs. |
| Stapleton v. An Bord Pleanála & Savona [2024] IEHC 3 |
Scattergun pleadings are unhelpful; specify chain of reasoning. |
Applied to criticise broad, unfocused formulations in the Plaintiffs' grounds. |
| Hellfire Massy Residents Association v. An Bord Pleanála [2022] IESC 38 |
"Scattergun" pleadings risk being struck down. |
Invoked as authority for requiring focused pleadings. |
| Babington v. Minister for Justice & Ors. [2012] IESC 65 |
Pleading requirements and repetition of same points is counterproductive. |
Referenced in relation to avoiding repeated, varying formulations of same grounds. |
| Cahill v. Sutton [1980] I.R. 269 |
Applicants cannot assert rights of third parties (ius tertii). |
Applied to reject reliance on rights of the non-joined landowner as a basis for relief. |
| Conway v. Minister for Housing, Local Government & Heritage & Ors. [2024] IESC 34 |
Applicants cannot assert third-party rights absent exceptional circumstances. |
Supported rejection of reliance on an unjoined owner's rights. |
| Mohan v. Ireland [2019] IESC 18 |
Reinforces that a permission should not be quashed for failure to respect rights of third parties. |
Applied to conclude Plaintiffs cannot rely on rights of a non-applicant owner. |
| Heather Hill Management Company CLG v. An Bord Pleanála [2019] IEHC 450; [2022] IEHC 146 |
Practical limits on title/type enquiries at planning stage; pleading/standing principles. |
Used to show impracticality of requiring decision-takers to explore detailed property/tort issues at application stage. |
| Balscadden Road SAA Residents Association Ltd v. An Bord Pleanála [2020] IEHC 586 |
Standing and related principles in planning JR. |
Referred to in discussion of standing and appropriate locus for rights-assertion. |
| Minoa Ltd v. An Bord Pleanála [2024] IEHC 704 |
Onus of proof principles and need for admissible evidence where AA/EIA defects alleged. |
Applied to require Plaintiffs to adduce evidence proving defects in AA/EIA if relied upon. |
| Watchhouse Cross Shopping Centre v. An Coimisiún Pleanála [2025] IEHC 520 |
Standing/pleading principles in the planning JR context. |
Mentioned in the survey of standing authorities. |
| Friends of the Irish Environment CLG v. The Government of Ireland & Ors. [2021] IECA 317 |
Failure to raise points in consultation may affect discretionary relief; fairness of process. |
Applied to explain why failure to raise issues in the administrative process is relevant to discretion. |
| Meadows v. Minister for Justice, Equality and Law Reform [2010] IESC 3 |
Onus of proof in judicial review lies on applicant. |
Applied to hold that Plaintiffs bore the burden and had not discharged it here. |
| Cork County Council v. Minister for Housing (No. 1) [2021] IEHC 683 |
Onus and evidential burden in judicial review contexts. |
Referred to in discussion of the onus remaining with the applicant. |
| Monkstown Road Residents Association v. An Bord Pleanála [2022] IEHC 318 |
Onus remains on applicant in JR. |
As above. |
| O'Doherty and Waters v. Minister for Health [2022] IESC 32 |
Onus of proof stays with applicant even in constitutional challenges. |
Applied to hold Applicants must prove infringement even where constitutional claims are advanced. |
| Moran v. An Bord Pleanála [2025] IEHC 510 |
Presumption of validity for administrative decisions; onus principles. |
Referenced in the onus discussion supporting presumption of validity. |
| R v. Crischuk (2010 BCSC 716) |
Evidential standards for demonstrating defects in environmental assessment. |
Cited to support that expert evidence or demonstrable patent flaws are normally required to show AA/EIA defects. |
| Reid v. An Bord Pleanála (No. 1) [2021] IEHC 230 |
Evidential requirement to show defects by admissible evidence. |
Applied in the onus-of-proof context. |
| An Taisce v. An Bord Pleanála [2022] IESC 8 |
European law should not be read to impose impossibly onerous obligations; evidential standards for AA/EIA. |
Referred to in the analysis of evidential thresholds for demonstrating scientific doubt. |
| Carrownagowan Concern Group v. An Bord Pleanála [2024] IEHC 300; [2024] IEHC 549; [2025] IESCDET 9 |
Harmless error doctrine; not every defect requires quashing if non-material; courts may rely on developer evidence. |
Relied on centrally in concluding any possible procedural defect would have been non- consequential here. |
| Salmon Watch Ireland, Inland Fisheries Ireland, Sweetman & Ors. v. Aquaculture Licences Appeals Board [2024] IEHC 421 |
Evidential burden on applicant to show inadequacy in environmental processes. |
Referred to when explaining that scientific shortcomings must be established by applicant evidence. |
| Nagle View Turbine Aware Group v. An Bord Pleanála [2024] IEHC 603 |
Scientific and factual shortcomings in EIA/AA must be established by applicant evidence. |
Reinforced the court's approach to evidential burden. |
| Eco Advocacy CLG v. An Bord Pleanála (No. 4) [2023] IEHC 713 |
Acceptable clarity standard in pleadings; court may infer specific provisions if implicitly identifiable. |
Used to show that specific statutory references need not be spelled out if clarity exists; but pleadings here lacked required specificity. |
| Kennedy & Anor. v. An Bord Pleanála [2024] IEHC 570 |
Pleading clarity and the need for admissible evidence to demonstrate AA/EIA flaws. |
Cited in relation to evidential standards and pleading clarity. |
| Leech v. An Bord Pleanála [2024] IEHC 59 |
Pleading and standing clarity. |
Referenced in the pleading discussion. |
| Mount Salus Residents' Owners Management Company Ltd v. An Bord Pleanála [2025] IEHC 14 |
Pleading standards. |
Referred to as part of the jurisprudential background on pleading. |
| Carvill v. An Bord Pleanála [2025] IECA 84 |
When a developed pleading objection is made, the court should address it before accepting the point. |
Applied in rejecting opportunistic late arguments without pleading support. |
| Ryanair plc v. Aer Rianta CPT [2003] 4 I.R. 263 |
Administration of justice and avoidance of technical formalism; pursuit of truth. |
Used to support not excluding late material in the interests of justice. |
| Butler v. District Justice Ruane [1989] I.L.R.M. 159; DPP v. Hamill [1999] IEHC 242 |
Order 122 r.7 RSC - extension of time for acts fixed by rules/order; extension permitted where interests of justice require. |
Supported allowing late filing of the statement of opposition on the facts (oversight, no real prejudice). |
| Li v. Minister for Justice [2015] IEHC 638 |
Equality of arms and appropriateness of filing formal pleadings. |
Referenced by parties; court accepted late filing given oversight and lack of prejudice. |
| J.K. (Uganda) v. Minister for Justice and Equality [2011] IEHC 473 |
Court may take matters of its own motion after reserved judgment; amendments sometimes allowed post-hearing. |
Used to show procedural flexibility in reconvening or permitting late steps where justice requires. |
| Freeney v. An Bord Pleanála [2024] IEHC 427 |
Particular relevance to awareness of issues during the administrative process. |
Cited to show that an applicant who was aware of an issue and did not pursue it cannot later claim prejudice. |
| North Great Georges Street Preservation Society v. An Bord Pleanála [2023] IEHC 241 |
Points not raised before the decision-maker may not be permissible in JR. |
Cited by Respondent to argue Plaintiffs could not raise certain validity arguments now. |
| Redmond v. An Bord Pleanála [2020] IEHC 151 |
Planning permission does not permit unlawful activity; separate rights remain enforceable. |
Used to support that permission does not extinguish independent legal rights of third parties. |
| In re Comhaltas Ceoltóirí Éireann (Unreported, High Court, 5 December 1977); Campus Oil v. Minister for Industry and Energy (No. 2) [1983] I.R. 88 |
Presumption of validity of administrative decisions. |
Applied to frame the onus and presumption of validity in favour of the Respondent's decision. |
| H.A. v. Minister for Justice [2022] IECA 166 |
If an error is demonstrated by applicant, onus shifts to others to show harmlessness. |
Cited when discussing the shift in onus following demonstrated error (not satisfied here by Applicants). |
| Sherwin v. An Bord Pleanála [2023] IEHC 26 |
Onus remains with applicant; administrative obligations do not convert into judicial burden on decision-taker. |
Referred to when explaining evidential allocation in AA/EIA challenges. |
| Joyce Kemper v. An Bord Pleanála [2020] IEHC 601; Murphy v. An Bord Pleanála [2024] IEHC 59; Harrington v. An Bord Pleanála [2014] IEHC 232 |
Mere assertion is insufficient to discharge onus in AA/EIA challenges; expert evidence normally required. |
Applied to reject Plaintiffs' assertions where no admissible expert evidence was adduced to create reasonable scientific doubt. |
| Duffy v. An Bord Pleanála [2024] IEHC 558; Massey v. An Bord Pleanála (No. 2) [2025] IEHC 206 |
Expert/non-expert evidentiary limits and importance of admissible evidence. |
Used to emphasise that lay opinion cannot substitute for expert evidence on scientific matters. |
| RAS Medical Ltd v. Royal College of Surgeons in Ireland [2019] IESC 4 |
Where conflicts in evidence exist without cross-examination, generally resolved against the party carrying the onus. |
Applied in evaluating disputed affidavits and the Applicants' failure to discharge onus. |
| Re Bayview Hotel (Waterville) Limited [2022] IEHC 516; DPP v. Corbett (1992) |
Court is not obliged to accept all averments as equally credible; court may evaluate inherent defects in evidence. |
Supported the court's assessment of affidavits and credibility considerations. |
| Gemeinde Altrip v Land Rheinland-Pfalz (C-72/12) ECLI:EU:C:2013:712 ("Altrip") |
Harmless error doctrine in environmental/EIA context; court may rely on developer evidence to exclude reasonable doubt. |
Central to the court's conclusion that any procedural defect did not require quashing because a reasonable possibility that the defect made a difference was excluded on the materials before the court. |
| Holohan (C-461/17) EU:C:2018:883 |
Appropriate Assessment requires reasoning capable of dispelling reasonable scientific doubt. |
Referred to in the standards discussion for AA; Plaintiffs did not displace Respondent's conclusion by evidence. |
| Waddenzee (C-127/02) ECLI:EU:C:2004:482 and Advocate General opinions |
AA does not require disproving any effect whatsoever; absence of reasonable doubt, not absolute certainty, is required. |
Used to explain the standard for AA and harmlessness analysis. |
| R. (Champion) v. North Norfolk District Council [2015] UKSC 52; Canterbury City Council v. Secretary of State [2019] EWHC 1211 |
Courts may assess whether errors are material and may rely on evidence to find harmlessness. |
Referred to in support of using developer evidence and totality of materials to exclude reasonable doubt. |
| Independent Newspapers (Ireland) Ltd. v. I.A. [2020] IECA 19; O'Connell v. Behan [2021] IECA 186 |
Judicial review is discretionary; many factors (delay, prejudice, triviality) inform remedy. |
Applied in the court's exercise of discretion to decline certiorari given absence of prejudice and other circumstances. |
| Toole v. Minister for Housing (No. 6) [2023] IEHC 592 |
Harmless error doctrine and its application. |
Included in the survey of the harmless-error jurisprudence relied on in the decision. |
| Other UK/EU authorities (e.g. R (Hudson) v. Windsor & Maidenhead [2021] EWCA Civ 592; R. (Champion) (above)) and various domestic authorities |
Supportive authorities on remedial discretion and harmless error. |
Collected to support the court's approach to harmlessness, onus and remedial discretion in environmental and planning JR. |