A legal term referring to interests in property originally created and enforced by the Court of Chancery. Such an interest can arise in a number of ways such as where money has been advanced on property but no formal mortgage deed drawn up. The lender has an equitable interest and this creates an insurable interest. Similarly, a person on whose behalf property is held in trust has an insurable interest in that property.

Life insurance policies combining life insurance with investment in equities, i.e. ordinary shares. Life insurance is linked to equity investment either through an established unit trust or unitised fund administered by the life office itself. Usually a large part of the premium is invested in the unit trust or equity portfolio, the balance provides life cover, usually term insurance.