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Hibernia Real Estate Group Ltd v Dun Laoghaire-Rathdown County Council (Approved)
Summary of Judgment — High Court, Planning & Environment (2026)
Factual and Procedural Background
Judge Farrell delivered judgment on 27 March 2026. The Plaintiff purchased, on 12 November 2014, land including a partially constructed block of apartments (designed and permitted as 213 units) (the "structure"). Planning permission for the development had been granted and amended in 2006. Development contributions were payable under section 48 of the Planning and Development Act 2000. A 2004 Development Contribution Scheme (rate €13,470.05 per unit) applied when the permissions issued. A revised scheme adopted in May 2013 (applying 1 June 2013–31 December 2015) applied a reduced rate (€11,000 per unit).
The central procedural dispute concerned whether the structure sold in November 2014 amounted to a "house" within the meaning of section 2(1) of the 2000 Act on that date. If it was not a "house", subsections 48(3A)–(3C) (as inserted by the Urban Regeneration and Housing Act 2015) required the planning authority to apply the reduced rate. The Plaintiff paid the higher contributions under the 2004 Scheme while contesting entitlement to the reduced rate and brought an unjust enrichment claim seeking repayment of €526,120.97. The Defendant contested the Plaintiff's entitlement on the basis that the structure was a "house" as defined by section 2(1) at the date of sale. The Court ordered repayment to the Plaintiff.
Legal Issues Presented
- Whether the partially constructed building sold on 12 November 2014 constituted a "house" within the meaning of section 2(1) of the Planning and Development Act 2000 on that date.
- Whether, given the answer to (1), the Plaintiff was entitled to have development contributions calculated under the 2013 revised Scheme pursuant to subsections 48(3A)–(3C) (Urban Regeneration and Housing Act 2015).
Arguments of the Parties
Plaintiff's Arguments
- The structure was a partially constructed "grey box" on 12 November 2014: structurally present but not internally fitted out or serviced and not habitable or capable of occupation as dwellings.
- Accordingly the structure was not a "house" within section 2(1) on the date of sale and the Plaintiff was entitled to the reduced rate under the 2013 Scheme; the Defendant has been unjustly enriched by the difference.
- The Plaintiff tendered uncontested witness and project-management report evidence describing the state of works on the date of sale.
Defendant's Arguments
- The structure was designed for use as two or more dwellings and thus fell within the definition of "house" in section 2(1) even though partially constructed; therefore the Defendant was entitled to require contributions at the 2004 Scheme rate.
- The Defendant relied on a broad reading of the phrase "and where appropriate, includes" in the definition of "house".
Table of Precedents Cited
| Precedent | Rule or Principle Cited For | Application by the Court |
|---|---|---|
| National Asset Management Authority v. Commissioner for Environmental Information [2015] IESC 51, [2015] ILMR 165, [2015] 4 IR 625 | Illustration of difficulties in statutory interpretation; contextual reading of words such as "include". | Used to emphasise that ordinary language may diverge from statutory meaning and that "include"/"includes" must be read in context. |
| Heather Hill Management Co. CLG & Anor v. An Bord Pleanála [2022] IESC 43, [2024] 2 IR 222, [2022] 2 ILRM 313 | Modern approach to statutory interpretation: words, context and purpose operate as a continuum. | Adopted as the appropriate methodology for construing "house" and s.48(3A), guiding the court to read definition in context. |
| DPP v. Brown [2018] IESC 67, [2019] 2 IR 1 | Summary of principles of statutory interpretation (as summarised by McKechnie J.). | Relied upon (via Heather Hill) for the proposition that words are first port of call but context and purpose may inform meaning. |
| A, B & C (A Minor) v. the Minister for Foreign Affairs and Trade [2023] IESC 10, [2023] 1 ILRM 335 | Contextual and purposive elements in statutory construction and the need to consider language in its place and function. | Supported the court's emphasis on construing statutory language with regard to place, function and context. |
| Cronin (Inspector of Taxes) v. Cork and County Property Company Limited [1986] I.R. 559 | Statute cannot be construed in light of subsequent amendments. | Relied on to reject the submission that subsequent amendments or materials could alter the meaning of the 2000 Act's definition of "house". |
| Fish Legal v. Information Commissioner (C-279/12) [2014] Q.B. 521 | Authoritative CJEU interpretation relied upon in related statutory interpretation context. | Referenced in support of interpretative remarks regarding "include" in regulatory definitions. |
| Dilworth & Ors v. Commissioner of Stamps [1899] A.C. 99 | Classic authority on ambiguity of "include"/"includes" and contextual reading. | Used to show that "include" is ambiguous and must be read in context rather than assumed always to widen meaning. |
| Jennings v. An Bord Pleanála [2023] IEHC 14 | Interpretation of "house" in s.2(1) extending statutory meaning to apartments, flats and buildings designed for multiple dwellings. | Referred to and treated as reinforcing that s.2(1) extends the statutory meaning but does not mandate that definition encompass partially constructed, non-habitable buildings. |
| Clonres CLG v. An Bord Pleanála [2021] IEHC 303 | Observation that terms may have different meanings in different Acts. | Noted in relation to the interpretation of "dwelling" and the need to interpret terms in context. |
| Dellway and ors. v. National Asset Management Agency and ors. [2011] IESC 14, [2011] 4 IR 1 | Examples where reading or implication saved statutory provisions in constitutional/ECHR context. | Referenced to illustrate limits of remedial interpretative techniques; court noted such approaches do not allow rewriting of statute contrary to Oireachtas intention. |
| Re National Irish Bank Ltd. (No. 1) [1999] IESC 18, [1999] 3 IR 145 | Authority on reading provisions to limit apparent scope in order to save validity. | Referenced as an example of interpretative devices but not relied upon to change definition of "house". |
Court's Reasoning and Analysis
The Court began with the statutory definition in section 2(1) of the Planning and Development Act 2000: "house" means a building or part of a building which is being or has been occupied as a dwelling or was provided for use as a dwelling but has not been occupied, and where appropriate, includes a building which was designed for use as 2 or more dwellings or a flat, an apartment or other dwelling within such a building.
The Court applied the interpretative approach endorsed in Heather Hill and related authorities: give primary weight to the statutory words, read them in their immediate and wider context, and use purposive considerations where ambiguity remains. The Court analysed the terms "means" and "and where appropriate, includes", noting authorities that "include/includes" may either expand or merely illustrate depending on context.
The factual evidence (uncontested) described the structure as at "grey box" stage on 12 November 2014: structurally present but lacking internal subdivision, services, and other works necessary for occupation. The Court held that while the structure qualified as a "building" in the ordinary sense, it was neither occupied nor provided for use as a dwelling, nor capable of occupation at that date.
Applying the definition in context and having regard to the Act as a whole, the Court concluded that the phrase referring to a building "designed for use as 2 or more dwellings" could not be read so broadly as to include a partially constructed building that was not capable of occupation. The Court rejected reliance on subsequent amendments or extrinsic materials (such as the Explanatory Memorandum to the 2015 Act) to alter the 2000 Act's definition, relying on Cronin and related authorities. The Court therefore found that the structure did not constitute a "house" within s.2(1) on the date of sale and so the reduced rate under subsections 48(3A)–(3C) applied.
Holding and Implications
PLAINTIFF ENTITLED TO REPAYMENT
Holding: The Court held that the partially constructed building sold on 12 November 2014 was not a "house" within the meaning of section 2(1) of the Planning and Development Act 2000 at the material date. As a consequence, the Plaintiff was entitled to the benefit of subsections 48(3A)–(3C) and to repayment of the overpaid development contribution.
Direct effect: The Defendant was ordered to repay €526,120.97 to the Plaintiff. The Plaintiff is presumptively entitled to costs; parties may file short submissions on costs by 20 April 2026 if they seek a different costs order. The decision is an application of established interpretative principles to the statutory definition and does not purport to create a new general rule beyond its statutory construction of "house" in the circumstances described.
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