Breach of trust and equitable compensation

Breach of trust is the remedial hinge of private trusts. Earlier weeks established the trust as a division between legal title and beneficial entitlement, sustained by fiduciary administration and enforceable obligations. This week asks what follows when the trustee does what equity forbids, fails to do what equity requires, or misapplies trust property. The answer is not a single remedy but a structured remedial field: restoration of trust property, account, equitable compensation, personal liability of trustees, sometimes proprietary remedies against recipients or substitutes, and sometimes statutory or equitable relief. The central remedy for present purposes is equitable compensation: a personal money order compelling the defaulting trustee to make good loss suffered by the trust estate or, in some cases, by beneficiaries directly. The modern controversy is whether this remedy is governed by traditional equitable ideas of custodial accountability or by principles resembling common-law damages, especially causation, remoteness and counterfactual loss. The leading English cases are Target Holdings Ltd v Redferns and AIB Group (UK) plc v Mark Redler & Co Solicitors. They establish that, at least for commercial bare-trust or solicitors’ undertaking cases, compensation is not punitive and is not awarded merely because trust money passed out in breach of duty. The claimant must show loss to the trust fund properly caused by the breach. Yet those cases must be read carefully. They do not abolish strict trust accountability. A trustee who pays trust property to the wrong person remains liable to reconstitute the fund unless and until it is shown that the same depletion would lawfully have occurred. Nor do they assimilate all trust remedies to negligence damages. The purpose of the trust obligation matters. The trustee’s liability is shaped by the obligation breached: misapplication of property, negligent investment, failure to supervise, conflict of interest, unauthorised profit, breach of fiduciary loyalty, or breach of administrative duty. Cambridge examiners will expect that distinction. A strong answer does not say simply that causation applies or does not apply. It asks: what was the trust obligation; what interest did it protect; what loss is claimed; is the claim for substitutionary performance, compensatory loss, disgorgement, or falsification of an account; and does any statutory relief or limitation defence apply? This topic also links backwards. Trustee duties of loyalty, care and investment determine breach. Trustees’ powers and the beneficiary principle determine the permissible purposes of administration. Variation of trusts affects whether apparently unauthorised conduct can be authorised or excused. Formalities and constitution determine whether there was a trust at all. In Tripos terms, this is a high-yield topic because it invites both doctrinal analysis and problem application. It rewards precise classification, not rhetorical invocations of conscience.

The historical starting point is the trustee’s obligation to account. Equity did not originally conceptualise the beneficiary’s claim primarily as a claim for damages. The beneficiary compelled the trustee to perform the trust, to account for trust property, and to restore what had been improperly paid away. The form of equitable accounting matters. If an unauthorised disbursement appeared in the account, the beneficiary could falsify the account: the item was disallowed, and the trustee remained chargeable as if the money were still in hand. If the trustee failed to bring in property that ought to have been received, the account could be surcharged. These techniques were not dependent on proof that the trustee was morally culpable. They flowed from the custodial and administrative character of trusteeship. A trustee who undertakes to hold property for another must show that the property has been dealt with according to the trust. This explains the severity of older cases. In Caffrey v Darby, trustees who failed to control trust assets could be made liable for the loss. In Speight v Gaunt and later investment cases, trustees were judged by the prudence expected of persons administering another’s property. The focus was not the common-law bilateral exchange but the fiduciary stewardship of an asset fund. The remedy had a strong substitutionary element: restore the fund that should have existed. During the nineteenth and twentieth centuries, however, equity administered an increasingly broad range of trusts, including commercial escrow arrangements, pension trusts, settlements administered by professional trustees, and solicitor-client holding arrangements. This generated pressure to distinguish between strict liability for unauthorised dispositions and compensatory liability for loss caused by want of care. The Judicature Acts fused administration but not doctrine. Courts continued to speak of equitable compensation, breach of trust, account and damages in overlapping language. That loose vocabulary later produced significant confusion. The late twentieth-century cases responded by sharpening principle. Target Holdings concerned mortgage advance money released by solicitors prematurely but later applied to complete the transaction. The House of Lords rejected the argument that the solicitors must restore the entire advance once a technical breach occurred, even though the lender’s eventual loss was caused by inadequate security rather than by the premature release. AIB confirmed that equity does not impose a windfall liability divorced from loss, especially in a commercial context where the trust is part of a transaction and the beneficiary’s interest is economic rather than continuing custodial enjoyment of a fund. But the historical account should not be overstated in the other direction. Equity has always been capable of causal reasoning. If a trustee can show that the impugned act caused no loss, or that the same result would inevitably have occurred under a lawful administration, relief may be limited. Conversely, where a trustee wrongfully parts with property and the purpose of the obligation is to preserve that very property, the law may treat restoration as the primary response. The modern law is therefore best understood as a principled accommodation between accounting orthodoxy and compensatory rationality. It is not a simple march from strict equity to common-law damages. It is a continuing attempt to fit remedy to obligation.

The first principle is classification of the breach. Breach of trust is not identical with breach of fiduciary duty. A trustee may breach an administrative duty, such as the duty to invest prudently, to distribute correctly, to keep accounts, to take advice, or to act unanimously where required. A trustee may also commit a fiduciary breach, such as acting in conflict, making an unauthorised profit, purchasing trust property, or using trust powers for an improper purpose. Bristol and West Building Society v Mothew is essential here: Millett LJ insisted that fiduciary duties are proscriptive duties of loyalty, not every duty owed by a fiduciary. This distinction determines remedy. Negligent investment normally invites compensation for loss caused by want of care. Unauthorised profit normally invites an account of profits, whether or not the trust estate lost money. Misapplication of trust assets usually requires restoration of the fund, subject to principled limits on causation and counterfactual lawfulness. The second principle is that equitable compensation is personal, not proprietary. It creates a money liability against the trustee or fiduciary. It differs from tracing and proprietary claims, which identify substitutes or proceeds. In a problem question, therefore, do not jump from breach to tracing unless the facts disclose identifiable property or substitutes. Equitable compensation matters precisely where the trust asset is gone, dissipated, depreciated, or never acquired. The measure is framed by the trust obligation breached. If the trustee wrongly transfers £100,000 to a stranger, the prima facie measure is £100,000 plus appropriate interest, because the trust estate should still have that value. If the trustee negligently retains an unsuitable asset, the measure may be the difference between the value of the fund as administered and the value it would have had under proper administration. If the trustee fails to obtain security, the measure may be the loss attributable to the unsecured or under-secured position. The third principle is that causation is required, but its content is equitable and obligation-sensitive. Target Holdings and AIB reject liability for loss not caused by the breach. They do not require importation wholesale of common-law remoteness or foreseeability. The question is whether, viewing the trust obligation and the purpose it served, the claimant’s loss is properly attributable to the breach. Where a solicitor-trustee releases mortgage money before obtaining the required charge, but the charge is later obtained and the eventual market loss would have occurred anyway, equity may award only the loss caused by the missing or defective security. Where the trustee pays away money to a person never entitled to receive it, the causal inquiry will usually be short: the breach itself depleted the fund.

The landmarks show a movement from accounting language towards obligation-sensitive compensation, without eliminating the trustee’s strict duty to restore misapplied property. Caffrey v Darby supplies the old equitable instinct: trustees who failed to secure and preserve the trust fund were treated as responsible for the loss. Its modern importance is less in its facts than in the premise that trusteeship is not passive honour. Office carries administrative responsibility. Bartlett v Barclays Bank Trust Co Ltd develops that idea for professional trustees. A trustee holding a controlling shareholding could not sit back while the underlying company embarked upon speculative development. The case is frequently used to demonstrate that trustees may have active supervisory duties where trust assets are held through corporate structures. Nestle v National Westminster Bank illustrates the limits of hindsight. The beneficiaries complained that the bank trustee’s investment policy had produced disappointing returns over many decades. The Court of Appeal accepted that trustees must act prudently and fairly between classes of beneficiary, but it refused to infer breach merely from poor results. Its importance for compensation is that breach must precede loss: the court does not insure beneficiaries against all underperformance. Bristol and West v Mothew is conceptually indispensable. It separates fiduciary breach from negligence by fiduciaries. In the present topic, that prevents the common error of treating every trustee default as attracting the prophylactic remedies of fiduciary loyalty. Target Holdings is the pivotal modern case. Solicitors held mortgage advance money on trust for a lender and released it before the transaction was ready. The lender sought the entire advance. The House of Lords held that equitable compensation was to make good loss caused by the breach; once completion occurred and the security was obtained, the premature release did not cause the later loss. The case is sometimes criticised for forcing accounting into the mould of compensation, but its narrow commercial context is important. AIB confirms and refines Target. The solicitors failed to redeem prior charges fully, leaving the lender with inadequate priority. The Supreme Court held that the lender could recover the value of the lost security priority, not the whole advance. Lord Toulson emphasised that the remedy must reflect the basic purpose of the trust obligation. Santander UK plc v RA Legal Solicitors applies these principles in conveyancing fraud. The solicitor-trustee released funds in a sham transaction and could not treat the lender’s intended commercial risk as equivalent to the unauthorised payment made. Armitage v Nurse belongs in this topic because it asks how far liability can be excluded. Millett LJ upheld a broad exemption clause for negligence while insisting that a trust must retain enforceable core obligations. The case is controversial but central to any answer discussing whether liability for equitable compensation can be contracted out of. Together, these cases require a disciplined method: identify the obligation, identify the loss, test causal attribution, and then consider whether strict restoration, compensation, account, exemption, limitation or relief is the proper response.

See practice questions section below.

See further reading section below.