Castleton v Post Office Ltd & Anor (Rev1) [2026] EWCA Civ 577 (12 May 2026)

Castleton v Post Office Ltd & Anor (Rev1) [2026] EWCA Civ 577 (12 May 2026)

The hybrid approach adopted by the lower court—assuming the respondent's knowledge of viable claims for the purposes of the preliminary issues trial while requiring factual findings on other elements—creates significant practical and evidential difficulties, risks unfairness, and is unworkable. The order cannot stand in its present form and must be revisited.

Citation
[2026] EWCA Civ 577
Parties
Appellant: Lee Castleton; First Respondent: Post Office Limited; Second Respondent: Fujitsu Services Limited
Jurisdiction
England and Wales
Judgment Date
12 May 2026
Procedural Posture
Civil Appeal / Appeal From High Court Directions Order
Outcome
Appeal allowed in part
Legal Topics
Settlement Agreements, Unconscionability, Preliminary Issues, Pleading Requirements, Fraudulent Misrepresentation
Civil Procedure Contract Law Settlement Agreements Unconscionability Preliminary Issues Pleading Requirements Fraudulent Misrepresentation

Case Brief

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Parties

Lee Castleton

Appellant

Post Office Limited

First Respondent

Fujitsu Services Limited

Second Respondent

Procedural Posture

Civil Appeal / Appeal From High Court Directions Order

Legal Issues

  1. 1 Whether the court erred in adopting a hybrid approach to the trial of preliminary issues by assuming certain facts and requiring findings on others in relation to unconscionability of a settlement agreement
  2. 2 Whether the respondents should be relieved of the requirement to plead to certain passages of the particulars of claim pending determination of preliminary issues

Ratio Decidendi

The hybrid approach adopted by the lower court—assuming the respondent's knowledge of viable claims for the purposes of the preliminary issues trial while requiring factual findings on other elements—creates significant practical and evidential difficulties, risks unfairness, and is unworkable. The order cannot stand in its present form and must be revisited.

Court Disposition

Appeal allowed in part

Orders

  • Order set aside to the extent of the hybrid approach to the preliminary issues trial; parties to file submissions on the appropriate form of preliminary issues trial; request to remit to a differently constituted court refused