This landmark property law case established that wives with beneficial interests in the matrimonial home can have overriding interests that bind banks, even when not registered as proprietors. The House of Lords ruled that actual occupation by a spouse can create rights that take priority over a bank's mortgage, fundamentally changing how lenders assess security.

Lloyds Bank v Rosset established the definitive test for determining when a person can claim a beneficial interest in property owned by another through constructive trust. The case clarified that such interests can only arise through direct contributions to purchase price or mortgage payments, or through express agreements coupled with detrimental reliance.

The House of Lords distinguished between actual and presumed undue influence, holding that manifest disadvantage is not required for actual undue influence and banks are not automatically on notice when loans appear for joint purposes.

Preferential debts rank ahead of floating charges but after fixed charges in liquidation.

House of Lords rules no gap in time between property purchase and mortgage creation

Mortgagee must obtain true market value but needn't delay for best possible price

Courts can strike down unconscionable mortgage terms beyond traditional penalty clauses

Mortgagees must take reasonable care to obtain proper market value when selling

Household contributions can create constructive trust interest in family home

Courts should consider entire mortgage term when granting possession adjournments to mortgagors

Mortgagee in possession must manage property with due diligence, not merely account

Children's interests relevant but don't trump creditors' rights in family home sales

Mistaken payments create immediate constructive trusts giving equitable proprietary interests.

Contractual purchasers in actual occupation can claim overriding interests under Land Registration Act 1925.

Charging orders create equitable interests in land that can become overriding interests through actual occupation.

Property rights require definiteness, identifiability, and third-party enforceability to constitute proprietary interests.

Company can create trust of customer deposits by segregation with clear trust intention.

Assignment of contractual rights and exceptions to the privity rule in construction contracts

Beneficial interests in family homes require financial contributions or clear common intention

Criminal damage can apply to your own property when others have legal interests.

Banks have constructive notice of undue influence when wives guarantee husbands' debts.

Contracts for equitable interests need separate written disposition despite specific enforceability

Inquiry notice does not arise from mere occupation where occupier's equitable interest is consistent with mortgage

Court creates promissory estoppel doctrine preventing landlord claiming full rent arrears

Oral dispositions of equitable interests are void without writing under s53(1)(c)