One of the longest-standing anti-avoidance provisions in UK inheritance tax is the gifts with reservation of benefit (GROB) legislation, contained in Finance Act 1986. Its purpose is straightforward: to prevent individuals from giving away assets while continuing to enjoy them, thereby reducing their estate for IHT purposes without any genuine transfer of economic benefit.
The legislation has been broadened over the years. The pre-owned assets tax (POAT), introduced in 2004, operates as a fallback charge where the GROB rules do not technically apply but the policy result — the donor continuing to enjoy assets outside their estate — is the same. Together, GROB and POAT represent a formidable barrier to certain types of estate planning.
The Basic Rule
Under FA 1986 s102, a gift is treated as a gift with reservation if:
- The donor is a party to a gift (a "donee arrangement"), and
- The property gifted is not enjoyed to the entire exclusion, or virtually the entire exclusion, of the donor (the "full exclusion requirement").
Where the full exclusion requirement is not met, the gifted property is treated as remaining in the donor's estate at the date of death (or at the date of the gift if the donor subsequently satisfies the full exclusion requirement). No seven-year running clock applies to remove the property from the estate.
The Full Exclusion Requirement
The phrase "entire exclusion or virtually the entire exclusion" is critical. HMRC interprets this strictly. The donor must receive no significant benefit from the gifted property. The following constitute a reservation:
- Continuing to live in a gifted house: the most common example. A parent gives their home to an adult child but continues to live there rent-free. The house remains in the parent's estate under the GROB rules.
- Using gifted assets: a parent gifts a yacht, car, or holiday home to a child but continues to use it regularly.
- Receiving income from gifted investments: a parent transfers a portfolio of shares to a child, but income from those shares continues to be paid directly to the parent.
De minimis or incidental benefits may be disregarded — for example, an occasional visit to a gifted house. But the exemption is narrow and unreliable as a planning strategy.
Paying a Full Market Rent: Releasing the Reservation
The GROB rules contain a specific provision that a reservation can be released by the donor paying a full market rent for continued occupation or use of the gifted asset. If a parent gifts the family home to a child and subsequently pays rent at the full commercial rate, the reservation is released and the house falls outside the estate — provided the commercial rent is maintained throughout.
The practical difficulties are significant:
- The rent must be genuinely commercial, reviewed annually, and actually paid.
- The donor must have sufficient income to afford the rent without depleting capital.
- If the rent payments stop or fall below market rate, the reservation revives.
- Rental income is taxable in the child's hands.
This arrangement can work but requires careful documentation and ongoing monitoring.
Donor Returns to Property After a Period of Non-Use
Where a donor makes a valid gift of property without reservation, then subsequently becomes entitled to benefit from it again (for example, by returning to live in the gifted house), the GROB rules provide that the property is treated as a new gift at the date of the donor's return. The seven-year clock restarts at that point.
Pre-Owned Assets Tax (POAT)
POAT was introduced in Finance Act 2004 to address arrangements that circumvented the GROB rules technically but achieved the same economic effect. Under POAT, an annual income tax charge applies to individuals who occupy land or use chattels where they (or their spouse) previously owned those assets, or provided the funds to acquire them, and no longer own them.
The annual charge is based on a notional rent for land (the market rental value multiplied by the statutory percentage) and a percentage of the asset's value for chattels and intangible assets. The rates are set annually.
POAT applies as an income tax charge, not as an IHT charge on death. However, electing for the GROB rules to apply (by notifying HMRC on the self-assessment return) converts the charge to an IHT charge — the asset is treated as back in the estate. This election is irrevocable. It may be preferable where the POAT income charge is higher than the expected IHT cost.
POAT is particularly relevant for:
- Ingram-scheme arrangements (involving a pre-sale lease)
- Arrangements where a property is gifted to a trust and the donor continues to occupy it
- Cases where the donor provided funds to purchase a property that they now occupy
Equity Release and GROB
Equity release schemes — principally lifetime mortgages and home reversion plans — interact with the GROB rules in different ways:
Lifetime mortgage: the homeowner borrows against their property. The property remains in their estate throughout. At death, the mortgage (plus rolled-up interest) is a liability of the estate, reducing the estate's value for IHT. No GROB issue arises because no gift is made.
Home reversion plan: the homeowner sells a percentage of their property to a reversion company in exchange for a lump sum (typically significantly below market value for a full sale) and a guaranteed right to continue living in the property rent-free for life. This is a gift where the donor retains a benefit — the right to live in the property. HMRC's position is that, to the extent any element of gift arises, a home reversion plan can engage the GROB rules, so the relevant share does not leave the estate for IHT purposes.
Home reversion plans sold as estate planning tools should be approached with extreme caution, and specialist tax advice should be obtained before entering into any such arrangement.
Commercial Leasebacks
A commercial leaseback involves the donor gifting an asset to a family member or trust and then leasing it back at a full commercial rent. In principle, if the rent is genuinely commercial, the reservation can be released. However, HMRC scrutinises such arrangements carefully and has challenged cases where:
- The rent is not maintained at market rates
- The arrangement is not genuinely commercial
- The donor exercises management or other control over the gifted asset inconsistent with being a mere tenant
For property leasebacks, SDLT and CGT implications on the initial gift must also be assessed. The overall tax cost of a leaseback arrangement often negates the IHT saving.
GROB and Trusts
Where a donor establishes a trust but retains the power to benefit from the trust (for example, as a discretionary beneficiary, or by retaining a right to income), the gifted assets remain in the donor's estate under the GROB rules. The inclusion of the donor as a potential beneficiary is typically sufficient to constitute a reservation, even if no benefit is actually received.
Gifts to trusts for estate planning purposes therefore require the donor to be fully excluded from benefit. This is why "excluded property trusts" for non-domiciles exclude the settlor from benefiting — and why offshore trust structures must be carefully designed.
Planning Alternatives
Where GROB is a concern, available alternatives include:
- Pension contributions: pension funds are (as the law stands in 2026) largely outside the estate and do not involve a gift.
- Business or agricultural assets: qualifying for 100% BPR or APR removes the need for lifetime gifting.
- Gifts without reservation: gifts where the donor genuinely relinquishes all benefit. These start the seven-year PET clock.
- Insurance: a whole-of-life policy in trust funds the IHT on assets the donor wants to retain.
How Global Investments Can Help
Global Investments advises private clients on identifying and resolving gifts with reservation of benefit, including reviewing arrangements entered into in the past that may not have been properly structured. We also advise on pre-owned assets tax elections and the relative cost of retaining a POAT charge versus electing for the GROB treatment.
Our estate planning work covers the full range of IHT mitigation options, ensuring that planning is technically robust, commercially practical, and appropriate for your circumstances.
This guide is for general information only and does not constitute legal or tax advice. The GROB and POAT rules are complex, and HMRC scrutinises arrangements in this area closely. Professional advice is essential. Tax rules are subject to change. The value of investments can fall as well as rise.
This guide is for general information only and does not constitute financial advice or a personal recommendation. The value of investments can fall as well as rise and you may get back less than you invest. Tax rules, pension legislation, and investment regulations change — always verify current rules and seek advice from a qualified independent financial adviser before making any financial decisions.