Thomson & anor v An Bord Pleanala (Approved) [2025] IESC 31 (10 July 2025)

Thomson & anor v An Bord Pleanala (Approved) [2025] IESC 31 (10 July 2025)

The Supreme Court held that the statutory test for extending time under s. 50(8) of the Planning and Development Act, 2000 requires a holistic assessment of all relevant circumstances, including the reasons for delay, the merits of the case, and the public interest. There is no absolute rule that unexplained delay is fatal, nor that strong merits or public interest alone are determinative. The Court found that the Court of Appeal erred in elevating the public interest and perceived merits above the statutory policy of certainty and the need for a full explanation of delay. The respondents failed to provide a sufficient explanation for the entire period of delay, and the public interest in...

Citation
[2025] IESC 31
Parties
Applicants/respondents: Peter Thomson and Doreen Thomson; Respondent/appellant: An Bord Pleanála; Notice Party: Eircom Limited; Notice Party: The Attorney General
Jurisdiction
Ireland
Judgment Date
10 July 2025
Procedural Posture
Appeal (supreme Court) / Final Judgment
Outcome
Appeal allowed; extension of time refused; proceedings dismissed as out of time.
Legal Topics
Extension of Time for Judicial Review, Objective Bias, Public Interest in Planning Decisions, Statutory Interpretation of Time Limits, Discretionary Jurisdiction in Extensions

Case Brief

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Parties

Peter Thomson and Doreen Thomson

Applicants/respondents

An Bord Pleanála

Respondent/appellant

Eircom Limited

Notice Party

The Attorney General

Notice Party

Procedural Posture

Appeal (supreme Court) / Final Judgment

  1. 1 Whether the Court of Appeal erred in granting an extension of time for judicial review of a planning decision under s. 50(8) of the Planning and Development Act, 2000
  2. 2 What constitutes 'good and sufficient reason' for extending time under s. 50(8)
  3. 3 How public interest and merits of the case factor into the extension of time discretion

Ratio Decidendi

The Supreme Court held that the statutory test for extending time under s. 50(8) of the Planning and Development Act, 2000 requires a holistic assessment of all relevant circumstances, including the reasons for delay, the merits of the case, and the public interest. There is no absolute rule that unexplained delay is fatal, nor that strong merits or public interest alone are determinative. The Court found that the Court of Appeal erred in elevating the public interest and perceived merits above the statutory policy of certainty and the need for a full explanation of delay. The respondents failed to provide a sufficient explanation for the entire period of delay, and the public interest in...

Court Disposition

Appeal allowed; extension of time refused; proceedings dismissed as out of time.

Orders

  • Order of the Court of Appeal set aside.
  • Order of the High Court refusing extension of time and leave to apply for judicial review restored.