Proprietary Estoppel

Archer v Archer & Ors [2026] EWHC 468 (Fam)

Henke J. Appeal from finding that an estoppel had arisen in favour of the intervenors to FR proceedings. Henke J held that the trial judge failed to properly consider nature of assurances relied upon and had not adequately explained his findings. Consideration of law relating to appeals out of time.

Catriona Margaret Archer v James Wallis Archer & Ors [2026] EWHC 468 (Fam)

https://caselaw.nationalarchives.gov.uk/ewhc/fam/2026/468

Armstrong v Armstrong [2024] EWHC 2989 (Ch)

Andrew Sutcliffe KC (sitting as a judge of the High Court) upheld a proprietary estoppel claim arising from a broken promise that a son would inherit the family farm, finding that assurances had been relied upon to the claimant's detriment over 35 years.

Armstrong v Armstrong & Anor (Re Remedy) [2025] EWHC 2054 (Ch)

Mr Andrew Sutcliffe KC sitting as a High Court judge. Judgment considering the appropriate remedy for a claimant who had proved his proprietary estoppel claim and his alternative claim for entitlement under the Inheritance (Provision for Family and Dependants) 1975 Act.

Grijns v Grijns & Ors [2025] EWHC 1413 (Ch)

Master Bowles (sitting in retirement). Failed proprietary estoppel claim by son who lived in his parents’ Chelsea property for over 20 years.

Julie Annette Merryman v Alex Raymond Merryman & Ors [2024] EWFC 58 (B)

Judgment date: 14 March 2024 https://caselaw.nationalarchives.gov.uk/ewfc/b/2024/58 HHJ Baddeley. Four stepchildren intervene successfully in financial remedies case in respect of four farming properties. The judgment disposes of an application made by four children (‘the children’) to intervene in financial remedies proceedings between their

Richard Winter & Anor v Philip Winter & Anor [2023] EWHC 2393 (Ch)

Judgment date: 29 September 2023 https://caselaw.nationalarchives.gov.uk/ewhc/ch/2023/2393 Zacaroli J. Claimants were two brothers, R and A, whose suit was against third brother, P, as executor of their father Albert’s estate, to challenge Albert’s 2015 Will, and the solicitors who drafted the