Imagine you give your house to your children but carry on living there rent-free. Is that really a gift?

The policy intuition behind Finance Act 1986 s.102 is exactly that question. Parliament's answer in 1986 was no, not for inheritance tax purposes. If you keep the benefit, you keep the IHT exposure. The asset stays in your estate at death and the apparent gift is illusory for IHT, notwithstanding any title-transfer formalities on the Land Registry record.

This page is the entry-tier orientation. What gift with reservation of benefit (GROB) actually means in plain language. Why the rule exists. The three statutory exit routes for family-home gifts. The Pre-Owned Assets Tax back-stop that catches the workarounds. And where to go next for the operational deep on your specific fact pattern.

For the statute-led mechanics walkthrough (subsection by subsection: s.102(1) the rule, s.102(3) death-time deeming, s.102(4) cessation-PET, the Sch 20 carve-outs), see our companion page on IHT gifts with reservation of benefit property. This page sits one step earlier in the funnel.

The historical reason the rule exists

Before 1986, the UK estate-planning playbook included a transparent trick: gift the asset to a younger generation, but keep using it. The parent "gave" the family home to the children. The art collector "gave" the paintings but they stayed on the walls. The owner of the holiday cottage "gave" the cottage but kept the keys.

The IHT saving on death was meaningful (the asset out of the estate; gift exempt at year seven under the PET rule). The economic reality was that the donor still enjoyed the asset. Parliament's policy response in Finance Act 1986 was to align the IHT treatment with the economic reality: if you keep the benefit, you keep the IHT exposure.

Section 102 applies to all gifts made on or after 28 March 1986. Two property-specific extensions were added in Finance Act 1999 in immediate response to the House of Lords decision in Ingram v IRC [1999] UKHL 47 (which had identified a leasehold-carve-out gap):

  • FA 1986 s.102A: gifts of an interest in land where the donor (or spouse / civil partner) enjoys a "significant right or interest" or is party to a "significant arrangement" in relation to the land. Applies to gifts on or after 9 March 1999.
  • FA 1986 s.102B: gifts of an undivided share of an interest in land, with the s.102B(4) shared-occupation carve-out for genuine multi-generational living arrangements. Applies to gifts on or after 9 March 1999.

What "reservation of benefit" means in practice

The s.102(1) wording sets two tests; either is enough to trigger the rule.

  • s.102(1)(a): possession and enjoyment of the property is not bona fide assumed by the donee at or before the beginning of the relevant period.
  • s.102(1)(b): at any time in the relevant period the property is not enjoyed to the entire exclusion, or virtually to the entire exclusion, of the donor and of any benefit to him by contract or otherwise.

For property cases, s.102(1)(b) is the operative test. Any continuing use, rent-free occupation, or material benefit triggers the rule. The bar for "virtually the entire exclusion" is high. Examples that have been tested:

  • A token occasional visit is acceptable (the donor visits once a year for Christmas).
  • Regular weekly or monthly occupation is not (the donor visits every weekend; the donor stays in the granny annexe).
  • Receiving any income from the gifted asset is not acceptable (the donor receives rent from a BTL; the donor receives interest on a gifted savings account).
  • Material management role with benefit is not acceptable (the donor "manages" the gifted BTL and takes a fee or commission).
  • Material management role without benefit may be acceptable (the donor advises the donee on the BTL informally without any payment) but the line is fact-sensitive and HMRC interpretation tends toward conservative.

The "relevant period"

The relevant period is the seven years ending with the donor's death, or where the gift was less than seven years before death, the period from the gift to death.

If the reservation ceases within the relevant period (donor moves out, or starts paying full market rent), s.102(4) treats the cessation as a fresh PET starting from the cessation date. The seven-year clock restarts from the cessation date for that fresh PET to potentially become exempt.

Critical detail: only the fresh PET from cessation date runs the clock. The original gift is treated as never having left the estate. So a donor who gifted at age 60, kept living there until age 65, then moved out, then died at age 70 has a fresh PET at age 65 running a five-year clock to death; not exempt; comes back into the estate with taper.

The death-time consequence

If a gift is still subject to a reservation at the donor's death, s.102(3) treats the property as property to which the donor was beneficially entitled. The death market value falls back into the death estate at the rate appropriate to the estate.

The standard rate is 40% above the available nil rate band (£325,000 per individual) plus residence nil rate band (£175,000 where qualifying) plus any reliefs. The reduced rate is 36% where at least 10% of the components of the estate passes to qualifying charity under IHTA 1984 Sch 1A.

The donee's title to the asset is unaffected by s.102(3); they still own the asset on the Land Registry record. The IHT charge falls on the estate, with secondary liability mechanics under IHTA 1984 s.199 / s.200 that can in some cases pass the charge to the donee.

The three statutory exit routes

Three routes can save a family-home gift from the GROB outcome. All are restrictive.

Route 1: full market rent

The donor starts paying the donees full open-market rent for ongoing occupation. The rent must be commercial (benchmarked against local rental comparables); paid in cash (not by deduction from inheritance, not by services-in-kind); paid regularly (monthly standing order is the cleanest evidence); and documented (rental agreement; rent statements; bank records).

Informal or below-market rent does not save the position. HMRC will benchmark against local market data and adjust upward to the commercial level; any below-market portion re-triggers the GROB analysis. For a £500,000 family home in a typical UK suburb, commercial rent is typically £18,000-£24,000 per year; that is the cash outflow the donor must commit to.

Route 2: cease occupation entirely

The donor moves out of the gifted property entirely. Move to live with children, into care, into a smaller property, or anywhere else. Under s.102(4), the cessation is treated as a fresh PET starting from the cessation date; the seven-year clock restarts from then.

The route works mechanically. It does not work for the original motivation behind the gift in the typical case ("we wanted Mum to stay in the home she has lived in for forty years and just start the seven-year clock"). For donors willing to move, the route is clean.

Route 3: s.102B(4) shared-occupation undivided share

The donor gifts an undivided share of the property (typically 50%), not the whole. Under s.102B(4), the share is NOT treated as subject to a reservation where both donor and donee occupy the property as their joint home AND the donor receives no benefit (other than a negligible one) provided by or at the expense of the donee for some reason connected with the gift.

The conditions are real and operative. Both occupants must genuinely live in the property. The donee actually moves in; this is not paper-only. The donor must not receive any benefit from the donee connected to the gift: no rent from donee, no contribution to bills above the donee's own share, no household-services provision by the donee. A "negligible" benefit is acceptable (the donee occasionally cooking dinner for the donor); a "material" benefit is not (the donee covering the donor's share of council tax).

The route fits genuine multi-generational living arrangements (an adult child returning to the family home; siblings co-habiting with an elderly parent). It does not fit the typical case where the children have their own homes and do not actually move in.

The mini-illustration: the classic family-home GROB case

Persona: Holloway-family. Mrs Holloway, widowed, 76. House value £500,000. Two adult children, both with own homes. Daughter approaches mother in March 2026 with a plan: "Mum, give us the house now while you're well, start the seven-year clock, and just carry on living here. The accountant friend says it works."

Mrs Holloway agrees, executes a deed of gift to the children jointly, continues to live in the house rent-free.

The GROB outcome (Mrs Holloway dies in November 2031, 5 years and 8 months later, within the seven-year relevant period):

  • The "gift" satisfies s.102(1)(b): the property is NOT enjoyed to the entire exclusion of the donor for the relevant period (mother continued to occupy without paying full market rent).
  • Per s.102(2), the property is treated as subject to a reservation.
  • Per s.102(3), at death the property is treated as property to which mother was beneficially entitled, i.e. the £500,000 death market value falls back into her death estate as if no gift had occurred.
  • IHT impact: NRB £325k + RNRB £175k = £500k exemption potentially covers the house value alone, but if Mrs Holloway also has other assets (savings, investments, BTL), those exhaust the allowances and the £500k house value adds £200,000 IHT (40% × £500k) before other planning.
  • The seven-year clock that the "plan" was supposed to start never started; the gift was not a clean PET because of the retained benefit.

The three exit routes that would have worked, with action steps Mrs Holloway and family could have taken:

  • Full market rent. Mrs Holloway pays £18,000 per year rent by monthly standing order. Children declare rental income on self-assessment. Within around 12 months of execution plus rent flow, Mrs Holloway has effectively ceased the "significant right or interest" under s.102A; the gift can re-classify as a clean PET starting the seven-year clock from cessation date per s.102(4).
  • Cease occupation. Mrs Holloway moves to live with daughter. s.102(4) fresh PET from move-out date.
  • s.102B(4) shared-occupation undivided share. Mrs Holloway gifts a 50% undivided share. Daughter and family move in. Both households co-occupy as their joint home. Daughter receives no benefit from Mrs Holloway connected to the gift. Narrow but operative.

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Pre-Owned Assets Tax: the back-stop

FA 2004 Schedule 15 introduced Pre-Owned Assets Tax (POAT) in 2005 as the income-tax back-stop where an arrangement engineers its way around GROB.

Where a person enjoys property they previously owned (or that they funded), and where neither GROB under FA 1986 s.102 nor the normal income / CGT charges apply, POAT imposes an annual income-tax-style charge based on deemed market rent. The charge runs at the donor's marginal income tax rate (basic 20%, higher 40%, additional 45%).

Common POAT targets are arrangements designed to put the donor outside the s.102 net:

  • Sale-at-undervalue plus loanback arrangements (the asset is "sold" to the donee at undervalue; the donee gives the donor an IOU; the donor continues to use the asset).
  • Discretionary trust mechanisms that nominally exclude the donor as beneficiary but where the donor continues to occupy the underlying property.
  • "Trust then loan" schemes that use trust nominal-ownership combined with a loanback structure.

The donor can elect via Form IHT500 to be treated as making a GROB instead of paying POAT. The election delivers the IHT outcome on death (asset back in estate at 40%) but removes the annual POAT charge during life. The election is useful where the donor expects to die within seven years and prefers the IHT outcome to an annual income-tax bill.

GROB and BTL gifts to children

BTL gifts to children are at high risk of triggering GROB even where the donor is not occupying the property. Common failure patterns:

  • The donor continues to manage the BTL (collect rent, deal with tenants, arrange repairs) and receives a fee or thanks-payment for the work. Material benefit.
  • The donor retains rights of occupation (a clause in the deed of gift reserving the donor a right to occupy on visits). Significant right under s.102A.
  • Rental income is paid into a joint account that includes the donor. Material benefit.
  • The donor benefits from the use of the property (uses it as a holiday let, stays there occasionally). Falling foul of s.102(1)(b).

The only clean route for a BTL gift is a pure transfer with the donor stepping completely away from the asset. Children manage, children receive rent, children make all decisions. Document the donor's complete cessation of involvement at the gift date. Even informal "I'll keep an eye on the tenants for you" arrangements risk creating a benefit, particularly where any payment passes to the donor.

GROB and the seven-year PET rule are mutually exclusive

A clean PET (no reservation) starts the seven-year clock at gift date and becomes exempt at year seven, with taper relief reducing the effective rate for years 3-7 per IHTA 1984 s.7(4) and Schedule 2.

A GROB-tainted gift never starts the clock for IHT purposes. The asset stays in the death estate notwithstanding the gift. There is no "running the clock and hoping you survive" with a GROB-tainted gift; the gift simply does not work for IHT.

If the reservation ceases during the relevant period, a fresh PET starts from the cessation date per s.102(4). Only that fresh PET runs the seven-year clock. The original gift is treated as never having left the estate.

The bigger picture

GROB is one of the most misunderstood rules in UK estate planning. The "give the house, wait seven years" pattern is the single most common amateur misconception in the family-home gift space. The rule has been in force since 28 March 1986 and the property-specific extensions in s.102A and s.102B have been in force since 9 March 1999; this is not a new regime, and the workaround landscape closed comprehensively in 2005 with the POAT back-stop.

For any property gift to family members where the donor wants to retain any use, benefit or income from the asset, the planning analysis must run through s.102, s.102A, s.102B and POAT before the gift is executed. The three statutory exit routes (full market rent, cease occupation, s.102B(4) shared-occupation) are narrow but operative; nothing else genuinely works.