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13 November 2026 / Mark Pawlowski
Issue: 8185 / Categories: Features , Procedure & practice , Contract , Compensation
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Transactions tainted?

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Gilbert O’Sullivan: Not alone in signing without proper legal advice

Mark Pawlowski examines caselaw on the remedies available to victims of undue influence

  • A finding of undue influence usually renders the transaction voidable at the instance of the claimant.
  • Other remedies exist: damages, account of profits, equitable compensation and severance.
  • Bars to relief exist: affirmation, delay amounting to acquiescence, estoppel and change of position.

The transaction will normally be set aside in its entirety where there is a finding of undue influence. In Allied Irish Bank v Byrne [1995] 2 FLR 325, for example, the wife was induced to mortgage a house of which she was the sole owner as security for her husband’s indebtedness by a false representation made by him that her liability was limited to £35,000. In reality, the charge was for an unlimited sum. Mr Justice Ferris held that setting aside a charge was ‘an all or nothing process’ and, accordingly, the wife had the right to have the whole charge set aside as against her husband and the bank had constructive notice of that

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NEWS
Construction workers injured in comparable accidents can face sharply different routes to compensation on opposite sides of the Atlantic
Victims of undue influence may have more options than simply unwinding a tainted transaction, with courts able to order profits accounts, compensation and, exceptionally, severance
Disabled people could lose vital safeguards following the Supreme Court’s reversal of the Cheshire West test for deprivation of liberty, two barristers warn
A formidable reputation cannot protect a law firm when partner departures, fragile finances and client uncertainty begin feeding each other
Businesses incorporating open-source software into commercial products could face obligations to disclose valuable source code, with AI-assisted development making licensing risks harder to track
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