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ELCDismissedKajiado ELCLPET/E020/2025

Kirongothi & 2 others v National Environment Management Authority & 2 others (Environment and Land Petition E020 of 2025) [2026] KEELC 4829 (KLR)

Environment and Land Court of Kenya
24 July 2026
2,494 words in judgment
View original judgmentRead on Kenya Law Watch case
AI-assisted case brief
·~10 min to read original · ~4 min brief

The bottom line

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Kenya's Environment and Land Court allowed a railway environmental petition by residents to proceed to a full hearing, rejecting arguments that an earlier case had already settled the issues.

What this practically means

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Executive summary

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This interlocutory ruling by the Environment and Land Court at Kajiado determined a Notice of Preliminary Objection dated 17th February 2026 by the 2nd Respondent, China Communication Construction Company, and a Notice of Motion dated 18th February 2026 by the 1st Respondent, Kenya Railways Corporation, both directed at the Petitioners' constitutional petition concerning the Riruta–Ngong Commuter Meter Gauge Railway Project. The Respondents argued that the Petition was barred by res judicata and issue estoppel, having re-opened matters of public participation, ESIA adequacy and EMCA compliance allegedly conclusively determined in Milimani ELC Petition No. E028 of 2024, and that it constituted an impermissible collateral attack on a valid NEMA licence and an abuse of court process. The Petitioners countered that their grievances concerning impacts on Kerarapon residents were distinct and required substantive adjudication. The Court framed four issues and held that while res judicata may be a pure point of law where the prior proceedings are undisputed matters of record, its elements were not established at the interlocutory stage: it was not apparent the Petitioners were parties to, or bound by, the earlier litigation, and comparison of the pleadings would require factual interrogation. Applying D.T. Dobie v Muchina, the Court declined to strike out the Petition, which raises arguable constitutional and environmental questions. Both the Preliminary Objection and the Motion were dismissed, interim orders were preserved subject to further directions, the Petition was directed to proceed to hearing on a priority basis, and costs of both applications were ordered to abide the outcome of the Petition.

Questions the Court framed

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The issues the Court set itself to decide, in its own words.

  1. 1.Whether the Preliminary Objection raises a pure point of law
  2. 2.Whether the present Petition is barred by the doctrine of res judicata
  3. 3.Whether the Petition is otherwise an abuse of the court process warranting striking out
  4. 4.Whether the Notice of Motion dated 18th February 2026 is merited

Key legal issues

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01

Whether res judicata is a pure point of law suitable for a preliminary objection

Holding

It depends on the circumstances: if undisputed and on record it may be a preliminary point; here comparison of pleadings required factual interrogation

Reasoning

The Court applied Mukisa Biscuit and IEBC v Cheperenger on the nature of preliminary objections. Although the existence of Milimani ELC Petition No. E028 of 2024 and its judgment was undisputed, determining whether the parties litigated under the same title and whether the same issues were determined would require detailed comparison of pleadings, evidence and findings, transcending the province of a preliminary objection.

p. 8
02

Whether the Petition is barred by res judicata

Holding

Not established at the interlocutory stage

Reasoning

Applying section 7 of the Civil Procedure Act and IEBC v Maina Kiai, all elements must be established. It was not apparent that the Petitioners were parties to the earlier proceedings or that the earlier Petition was prosecuted representatively to bind residents of Kerarapon, nor that their locality-specific grievances were adjudicated. The Supreme Court's caution in John Florence Maritime on constitutional litigation reinforced the conclusion.

p. 8
03

Whether the Petition is an abuse of process warranting striking out

Holding

No - the Petition raises arguable constitutional and environmental questions

Reasoning

Courts have inherent jurisdiction under sections 1A, 1B and 3A of the Civil Procedure Act to prevent abuse of process, but striking out is drastic. Per D.T. Dobie v Muchina, a suit should not be summarily dismissed unless plainly hopeless. The Petition raises allegations on constitutional rights, environmental governance and public participation that must be tested on evidence.

p. 9

Legal principles established

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  • A plea of res judicata may be determined as a preliminary objection only where the previous proceedings, parties, issues and judgment are undisputed matters of record; otherwise factual interrogation is required.
  • Striking out is a drastic remedy and a suit should not be summarily dismissed unless it is plainly hopeless and incurable by amendment.
  • Res judicata applies cautiously in constitutional litigation so as not to impede access to justice.

Court orders

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  1. 1.The Notice of Preliminary Objection dated 17th February 2026 is dismissed
  2. 2.The Notice of Motion dated 18th February 2026 is likewise dismissed
  3. 3.The interim orders, if any, shall remain subject to the further directions of the Court pending the hearing and determination of the Petition or until otherwise varied by the Court
  4. 4.The Petition shall proceed to hearing on its merits on a priority basis
  5. 5.Costs of both the Preliminary Objection and the Notice of Motion shall abide the outcome of the Petition

The bench

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One judgment of the whole court — no separate or dissenting opinions.

majority

Wrote the judgment

Jurisdiction invoked
Original constitutional petition jurisdiction of the Environment and Land Court under the Constitution and EMCA

Relief refused

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Striking out/dismissal of the Petition for res judicata

Elements of section 7 of the Civil Procedure Act not conclusively established at the interlocutory stage

p. 8

Striking out the Petition as an abuse of process

Petition raises arguable constitutional and environmental questions requiring substantive adjudication

p. 9

Costs

Costs of both the Preliminary Objection and the Notice of Motion shall abide the outcome of the Petition.

Quotable passages

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Verbatim from the judgment, each located to the page it appears on in the official PDF — so these can be cited and checked directly.

a) The Notice of Preliminary Objection dated 17th February 2026 is hereby dismissed. b) The Notice of Motion dated 18th February 2026 is likewise dismissed.
p. 10Final orders - dismissal of preliminary objection and striking-out motion
The constitutional jurisdiction of this Court should not be curtailed through summary procedures unless the abuse is plain and obvious.
p. 9Protection of constitutional jurisdiction from summary dismissal
the mere fact that litigation concerns the same project does not inevitably attract the doctrine of res judicata
p. 7Scope of res judicata in project-related litigation
Courts must apply it cautiously where constitutional litigation is concerned so as not to unjustifiably impede access to justice
p. 8Res judicata and access to justice

Issues in the judgment

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minor

Judgment refers to 'the 1st Defendant' although all parties are described as Petitioners and Respondents elsewhere

Key timeline

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Practical implications

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Frequently asked questions

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Cite this brief

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Cite this brief

Caselaw, "Kirongothi & 2 others v National Environment Management Authority & 2 others (Environment and Land Petition E020 of 2025) [2026] KEELC 4829 (KLR)", Case Analysis (2026). Kajiado ELCLPET/E020/2025. Source: https://new.kenyalaw.org/akn/ke/judgment/keelc/2026/4829/eng@2026-07-24

Suggested citation format for research notes or client memos. Always verify the original judgment before relying on any point.