Charalambous v Charalambous — proprietary-estoppel claims rejected, clearing the way for sale of family property

Case
Charalambous v Charalambous
Court
Supreme Court of New South Wales
Date Decided
16 October 2026
Citation
[2026] NSWSC 1276
Topics
proprietary estoppel, co-ownership, trustees for sale, family property

Background

Kyriacos Charalambous sought declarations concerning two adjoining Randwick properties and the appointment of trustees for their sale under s 66G of the Conveyancing Act 1919 (NSW). By consent, the parties agreed to sell one property, leaving only No 18 in dispute.

Kyriacos’s youngest son, Alkiviades (Alki), already held a 50% interest in No 18 after his mother’s death. Alki claimed that his father had promised him the entire property, and that he had acted to his detriment by managing it, contributing to renovations and outgoings, and living there rather than pursuing life overseas. He relied alternatively on proprietary estoppel by encouragement and by acquiescence.

The Court’s Holding

Pike J dismissed both estoppel claims. The Court found that the evidence established, at most, a general parental intention to assist the children with housing and the mother’s intention to leave her own half-interest in No 18 to Alki. It did not establish a clear and unequivocal promise by Kyriacos to transfer his half-interest or give Alki sole ownership.

Objective evidence also undermined Alki’s asserted belief that he owned the whole property. His 2017 will and 2020 correspondence recognised that he and his father held separate interests as tenants in common. The Court further found no detrimental reliance: Alki had lived rent-free at the property for more than 16 years, and his expenditure was readily explained by his occupation of it. With estoppel the only opposition to sale, the Court held that trustees-for-sale orders for No 18 should be made, subject to submissions on final orders and costs.

Key Takeaways

  • A family expectation of housing assistance is not, without more, a clear and unequivocal promise of ownership.
  • Contemporaneous documents inconsistent with an alleged belief in sole ownership may defeat an estoppel claim.
  • Expenditure on a property and payment of outgoings do not establish detrimental reliance where they are explained by rent-free occupation.

Why It Matters

The decision illustrates the demanding evidentiary burden in family-property proprietary-estoppel disputes, particularly where alleged conversations are old and involve a deceased parent. Courts will test asserted assurances and reliance against the parties’ objective conduct and documents.

It also confirms that, where no equitable defence is established, a co-owner’s application for trustees for sale under s 66G may proceed notwithstanding a family member’s expectation of receiving the remaining interest in the future.

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