Factual and Procedural Background
This appeal arises from a High Court judgment refusing orders under section 160 of the Planning and Development Act 2000 requiring the dismantling of three wind turbines constructed by the respondent company, Company B, on the grounds that their location and dimensions exceeded those permitted by planning permission granted by An Bord Pleanala in 2002. The appellant, a local resident and litigant in person, contended the turbines were unauthorised developments due to deviations from the original permission.
The original permission was granted for four turbines with specified hub heights and rotor diameters. Only three turbines were constructed between 2005 and 2006, with rotor diameters and locations differing from the permission: two turbines had rotor diameters significantly larger than permitted, and all three turbines were sited approximately 19-20 meters from approved locations.
The principal and director of Company B engaged in correspondence with the local planning authority (Cork County Council) seeking informal approval for changes to rotor blade length and turbine location, which the planning authority acknowledged as acceptable in letters dated 2006, though the official file did not contain all relevant correspondence contemporaneously.
Subsequent planning applications and extensions were made, some of which were granted and others refused, with appeals to An Bord Pleanala. A section 5 reference was made by local residents questioning whether the as-built turbines constituted exempted development. The planning authority initially considered the changes non-material and exempted, but An Bord Pleanala ultimately determined the development was unauthorised and not exempted development.
Company B sought judicial review of the Board's decision, as did the principal regarding refusals of later planning applications. These judicial reviews were adjourned pending the outcome of the section 160 proceedings before the High Court. The High Court refused the relief sought by the appellant on discretionary grounds, influenced by the pending judicial reviews and the lack of enforcement action by the planning authority.
The appellant appealed the High Court decision to the Court of Appeal.
Legal Issues Presented
- Whether the constructed turbines represent unauthorised development due to deviations in location and dimensions from the 2002 planning permission.
- Whether the appellant has sufficient interest to maintain proceedings under section 160 of the Planning and Development Act 2000.
- Whether the Court should exercise its discretion to grant or refuse the section 160 orders, considering factors including good faith, assurances by the planning authority, and economic consequences.
- Whether the Court should order the dismantling of the turbines or restrain their use, and the conditions under which such orders should be stayed pending further planning decisions.
Arguments of the Parties
Appellant's Arguments
- The turbines as constructed do not comply with the original planning permission in terms of location and rotor diameter, constituting unauthorised development.
- The deviations adversely affect the enjoyment of his farmland and local amenities, as well as those of other local residents.
- The appellant only became aware of the deviations in 2011 upon reviewing planning applications and files, which lacked full disclosure of correspondence sanctioning deviations.
- The alleged justification for location changes (geotechnical reasons) is disputed and claimed to be a pretext to facilitate larger turbines.
- The appellant has sufficient interest in the proceedings as a nearby resident affected by the development.
Respondent's Arguments (Company B and Principal)
- The appellant lacks sufficient interest and standing, as his house is shielded by woodland and he is less affected than other local residents.
- The deviations from the original planning permission are immaterial and were informally approved by the planning authority through correspondence.
- Changes in turbine location were necessary for firmer foundations due to unsuitable ground conditions, consistent with planning guidelines allowing up to 20 meters flexibility.
- The larger turbines were the only available technology meeting regulatory and grid code requirements at the time of construction.
- The project involved significant financial investment and supplied renewable energy to thousands of households.
- There was no objection to the wind farm operation or deviations until the appellant initiated these proceedings, motivated by opposition to the development itself.
Table of Precedents Cited
| Precedent |
Rule or Principle Cited For |
Application by the Court |
| Avenue Properties Ltd. v. Farrell Homes Ltd. [1982] I.L.R.M. 21 |
Wide discretion in granting injunctions under planning legislation; consideration of applicant's interest and motives in injunction cases. |
Supported the principle that courts should consider whether the applicant is affected and the nature of the breach when exercising discretion under section 160. |
| White v. McInerney Construction Ltd. [1995] 1 I.L.R.M. 394 |
Approval of Avenue Properties approach as an "admirable" statement of law regarding planning injunctions. |
Reinforced the approach to discretion and standing under section 160. |
| Leen v. Aer Rianta c.p.t [2003] 4 IR 394 |
Motive of applicant relevant to discretion but not to standing; relief less likely if motive unrelated to planning concerns. |
Used to assess appellant's interest and motive in the present case. |
| Kenny v. Dublin City Council [2009] IESC 9 |
Minor deviations from planning permission may be inconsequential and not require enforcement. |
Distinguished from the present case where deviations were significant. |
| Cork County Council v. Cliftonhall Ltd. [2001] IEHC 85 |
Small deviations in building height may be immaterial in context of overall development. |
Applied to find the 1m rotor diameter deviation in T1 turbine immaterial. |
| Cork County Council v. Slattery Pre-cast Concrete Ltd. [2008] IEHC 291 |
Significant expansion beyond permitted use constitutes unauthorised development. |
Supported conclusion that large deviations in turbine size and location constitute unauthorised development. |
| Dublin Corporation v. McGowan [1993] 1 I.R. 405 |
Good faith conduct by developer relevant to discretionary refusal of enforcement orders. |
Referenced in support of discretionary considerations. |
| Altara Developments Ltd v. Ventola Ltd [2005] IEHC 312 |
Discretionary refusal of enforcement order where developer acted with planning authority's support and in good faith. |
Distinguished from present case due to lack of formal planning authority approval and consideration of third party rights. |
| Sweetman v. Shell E & P Limited [2006] IEHC 85 |
Approach to exercise of discretion under section 160 jurisdiction. |
Agreed with approach to discretion in present case. |
| Griann an Aileach [Supreme Court] |
Court's jurisdiction to determine unauthorised development within section 160 proceedings. |
Confirmed court's jurisdiction to find development unauthorised despite prior Board determinations. |
| Wicklow County Council v. Fortune (No.3) [2013] IEHC 397 |
Effect of prior Board decision on court's jurisdiction in section 160 proceedings. |
Discussed but court did not decide issue; proceeded to find development unauthorised. |
| Grimes v. Punchestown Developments Ltd. [2002] 1 I.L.R.M. 419 |
Discretionary refusal of relief where breach is transitory or trifling. |
Distinguished due to permanent and material nature of breaches in present case. |
| Derrybrien Development Society Ltd. v. Saorgus Energy [2015] IESC 77 |
Good faith of developer relevant to discretionary refusal of enforcement order. |
Considered but found developer in present case did not act with appropriate regard to third party rights. |
| Morris v. Garvey [1983] I.R. 319 |
Material deviations from planning permission cannot be excused by informal planning authority opinions; enforcement justified. |
Applied analogously to reject reliance on informal planning authority assurances in present case. |
| Dublin County Council v. Sellwood Quarries Ltd. [1981] I.L.R.M. 23 |
Economic consequences relevant but do not override enforcement of planning laws. |
Supported rejection of economic hardship as ground to refuse enforcement order. |
| Wicklow County Council v. Kinsella [2015] IEHC 229 |
Failure to enforce planning laws undermines their effectiveness. |
Referenced to support public interest in enforcement. |
Court's Reasoning and Analysis
The Court began by affirming its jurisdiction under section 160 to determine whether the development was unauthorised, notwithstanding prior decisions by An Bord Pleanala. It found that the three turbines deviated materially from the 2002 planning permission in both location and rotor diameter (except for turbine T1's rotor diameter, which was only 1m greater and deemed immaterial).
The Court applied established legal principles distinguishing material from immaterial deviations based on their potential impact on third parties and planning considerations. The 19-20 meter deviation in turbine locations and the 23 meter increase in rotor diameter for two turbines were held to be significant, affecting visual impact, noise, shadow flicker, and overall footprint.
Regarding the appellant's standing, the Court rejected the High Court's view that the appellant lacked sufficient interest or was motivated by opposition to the wind farm per se. It held that as a nearby resident affected in enjoyment of property and local amenities, the appellant had sufficient interest to maintain the proceedings.
On the exercise of discretion, the Court considered the assurances given by the local planning authority that deviations were acceptable but found these assurances unreliable and insufficient to override third party rights, especially given the absence of formal assessment and the potential impact on neighbours. The Court distinguished this from cases where developers acted bona fide with proper planning authority support.
The Court acknowledged the economic consequences for the respondent but held that such considerations cannot prevent enforcement of planning laws. It emphasized the public interest in upholding planning permissions and preventing unauthorised developments from continuing unchecked.
The Court therefore concluded that relief under section 160 was prima facie appropriate, rejecting arguments for discretionary refusal on grounds of prematurity or good faith reliance on planning authority assurances.
Finally, the Court addressed the nature of relief. It found that an order restraining use of the turbines was justified and should be granted. An order requiring dismantling was also appropriate but should be stayed pending the outcome of the respondent's pending application for substituted consent under section 177C, with liberty to apply to vacate if consent is granted.
Holding and Implications
The Court of Appeal ALLOWED THE APPEAL IN PART and made the following orders:
- An order restraining the operation and use of turbines T1, T3, and T4 was granted, with liberty to the respondent to apply to vacate the order if substituted consent is granted by the planning authority.
- An order requiring the respondent to dismantle turbines T1, T3, and T4 was granted but stayed pending the outcome of the respondent's application for substituted consent, again with liberty to apply to vacate upon grant of consent.
The decision affirms that material deviations from planning permissions constitute unauthorised development and may be restrained by the courts, even where informal planning authority assurances were given. It clarifies that economic consequences and good faith reliance do not preclude enforcement but may be relevant to discretion. The ruling reinforces the rights of local residents to enforce compliance with planning laws and underscores the public interest in effective planning enforcement. No new legal precedent was established beyond application of existing principles to the facts.