A contingent trust is a trust where the beneficiaries’ entitlement to income or capital depends on a future event or condition being satisfied, such as reaching a specified age, surviving another person, or achieving a stated milestone. Until the contingency is met, beneficiaries have no absolute (vested) right to the trust property.The term “contingent trust” is descriptive rather than a defined statutory term in England and Wales, Scotland, Northern Ireland or Ireland, but it is widely used in private client, succession, family and tax planning practice.Key features include: conditions precedent to beneficial entitlement; the possibility that the interest may never arise; and the need for clear drafting to avoid uncertainty or invalid conditions (for example, those contrary to public policy or infringing perpetuity rules). Trustees typically hold property on discretionary or protective terms until the contingency is satisfied or fails.Usage is broadly consistent across the UK and Ireland, though Scots law may describe beneficial interests as “conditional” or “suspensive”. Contingent trusts are commonly used in wills, settlements for minors, second‑family arrangements, and asset protection structures, with significant tax, estate administration and trust management implications.