Sally Tia Sock Kiu v Tia Oon Lai

A mother and her son, Tia Oon Lai (TOL), were registered as tenants in common in equal shares of a 30-year HDB lease, from 1 August 1998, over a Yishun coffeeshop. The coffeeshop business had been the father's; after his stroke in 1997 the mother and TOL became its registered proprietors, and HDB then offered the business the chance to buy the lease. The mother arranged the financing, paid a cash sum from her own funds, and the loan taken in both names was repaid from the coffeeshop rent. All rent from October 1998 to June 2018 went to the mother. In 2018 TOL, using the renewal of an outdoor area licence as leverage, secured an agreement under which the tenant paid rent to him and his mother in equal shares from 1 July 2018.

After the mother died in 2021, TOL sued her estate, his sister Sally (who helped manage the mother's finances) and another sister, claiming a share of the earlier rent (HC/OC 316/2022). The trial judge rejected his claim that the father had gifted him a half share, but applied a presumed resulting trust: before 1 July 2018 the mother and TOL held the lease in the ratio 62.35:37.65. The estate and Sally were ordered to account to TOL for his 37.65% share of the earlier rent. Sally appealed in her own name and as personal representative (AD/CA 64/2025 and AD/CA 65/2025).

1. Whether, before 1 July 2018, there was a common intention that the mother would hold the full beneficial interest in the lease and its rent.
2. Whether the mother relied on any such common intention to her detriment.
3. Whether the trial judge gave proper weight to the mother's 2015 letter, TOL's silence and inaction, and Sally's 2021 voice message.

The majority noted that a common intention, express or inferred, takes priority over the presumed resulting trust, and that conduct may support an inference where the property was paid for from its own rent. TOL's registration as a proprietor of the business explained why his name appeared on the lease and loan documents, but showed only legal, not beneficial, positions. The mother ran the coffeeshop's affairs, while TOL, a full-time HDB officer, played little part.

The key evidence was conduct. In 2015 the mother signed a letter, read out with TOL present, stating that all the rental income belonged to her; TOL raised no query, and his trial explanations shifted, so an adverse inference was drawn. In 2018, while pressing for half the future rent and saying he would take back what was his, he made no claim to past rent, which made sense only if he did not believe he was entitled to it. His account of the mother's assurances had no documentary support. Earlier wills referring to her half share cut the other way but were outweighed. Sally's 2021 voice message was not inadmissible hearsay, but carried little weight as it was sent while she was coaxing TOL to attend a memorial ceremony. Detrimental reliance was shown by the mother arranging the financing, making the cash payment and paying tax on all the rent.

The dissent stressed appellate restraint and the absence of particulars of any common intention in the estate's pleadings. The business had been deliberately made a partnership of mother and son, and the lease was bought by its partners. The mother's 2015 will claimed only a half share, her 2015 letter acknowledged equal tenancy, her 2019 will did not assert sole ownership, the 2018 agreement acknowledged equal beneficial ownership, and the voice message suggested the mother was holding TOL's money. On that view Sally was also personally liable to account for rent from August 2015.

By a majority, the Appellate Division allowed both appeals. It held that from 1 August 1998 to 30 June 2018 a common intention constructive trust gave the mother the whole beneficial interest in the lease and the earlier rent, so TOL had no right to an account from the estate or from Sally. Costs were left for written submissions if not agreed. Kannan Ramesh JAD dissented and would have dismissed the appeals.