Section 144 Will Trusts: Post-Death IHT Variations
- Adil Akhtar
- 10 hours ago
- 20 min read
Section 144 Will Trusts: Post-Death IHT Variations
When someone dies leaving assets to a discretionary trust under their will, the distribution of those assets , and the inheritance tax consequences that flow from it , need not be fixed at the point of death. Section 144 of the Inheritance Tax Act 1984 provides a mechanism that allows the trustees of a will trust to appoint assets out to beneficiaries within two years of death, with those appointments being treated for IHT purposes as if they had been written into the will from the outset.
This is a genuinely powerful post-death planning tool, and it is one that many executors and families discover either too late or not at all. Understanding what it does, how it interacts with current IHT thresholds, and where the limits of its application lie requires careful analysis , because the two-year window is fixed, and opportunities missed cannot be recovered.
What Section 144 Does and Why It Matters
Section 144 IHTA 1984 applies where property is held on discretionary trusts established under a will, and within two years of the death an appointment is made under the trust. The effect of section 144 is to treat that appointment as if it had been made by the deceased person's will. The section has the effect of reading the appointment back into the will.
The practical consequence is that assets appointed out of the will trust to a surviving spouse, for example, are treated as if the deceased had left those assets directly to the spouse , attracting the spousal IHT exemption. Assets appointed to direct descendants can be treated as if left directly to those descendants, potentially engaging the residence nil-rate band. Assets appointed on terms that create an immediate post-death interest can be treated as equivalent to a specific bequest in the will.
This read-back fiction is what makes section 144 valuable. The actual legal position , assets sat in a discretionary trust, then appointed out , is replaced, for IHT purposes, by a fiction that the appointment was the deceased's original intention. No IHT charge arises on the appointment itself, and the distribution is assessed as if the will had been drafted differently from the start.
Why Wills Are Sometimes Drafted With Discretionary Trusts
The deliberate use of a discretionary will trust as a holding vehicle , rather than making direct bequests , allows executors and trustees time to observe the family's circumstances post-death before committing to a distribution structure. This was a particularly common drafting approach before the introduction of the transferable nil-rate band in October 2007, when nil-rate band discretionary trusts were the primary mechanism for ensuring both spouses' nil-rate bands were used.
In the post-2007 environment, those nil-rate band discretionary trusts are largely redundant because the transferable nil-rate band achieves the same objective automatically. However, many wills written in the 1990s and 2000s still contain these provisions, and section 144 provides the vehicle for unwinding them into a more efficient structure without triggering adverse IHT.
The Two-Year Clock: When It Runs From and Why It Matters
The two-year period in section 144 runs from the date of the deceased's death, not from the date of grant of probate or the date the trust was formally constituted. This is a firm deadline , there is no extension available and no discretion for HMRC.
For an estate where probate takes eight months, administration is complex, and the trustees do not turn their attention to the section 144 question until the estate is wound up, the effective window for action may be considerably shorter than two years from death. Where a death occurred in January 2025, the section 144 appointment must be completed by January 2027 , not January 2027 from when probate was granted.
This makes early identification of the section 144 opportunity critical. Solicitors and estate administrators who do not flag the availability of section 144 planning at the outset of estate administration , before the estate is distributed , are routinely allowing families to miss the window.
One timing subtlety: the appointment must be made within two years, but the physical transfer of assets following the appointment need not necessarily occur within that period. It is the formal appointment by the trustees that must happen within the window. The subsequent transfer of assets to beneficiaries can follow the appointment, though any delay introduces practical risk around changes in asset values or beneficiary circumstances.
The RNRB Connection: Why Section 144 Is More Valuable Than Ever
The residence nil-rate band , currently £175,000 per person, transferable between spouses , requires a qualifying residential property to pass directly to a direct descendant. Where a will leaves the family home into a discretionary trust, rather than directly to children, the RNRB cannot be claimed by the estate on the first death. The property is held in trust, not passed directly to a qualifying descendant.
This is where section 144 becomes directly relevant to current IHT planning. If the executors and trustees identify, within two years of death, that the discretionary trust holds a qualifying residential property and that appointment of that property to direct descendants would engage the RNRB, they can make that appointment and , under the section 144 read-back , the property is treated as if it had passed directly to those descendants under the will. The RNRB claim becomes available.
A section 144 appointment can be used to redirect assets from a discretionary will trust to qualifying beneficiaries so that the residence nil-rate band can be claimed, provided the appointment is made within two years of death.
For an estate that would otherwise pay IHT on the full value of the residential property above the nil-rate band , because the RNRB was blocked by the trust structure , a section 144 appointment can save £70,000 (£175,000 RNRB at 40%) on the first death, and up to £140,000 when the transferred RNRB on the second death is also considered. That represents a material opportunity for families with wills containing discretionary trust provisions that predate the RNRB introduction in April 2017.
The Surviving Spouse Situation
A particularly common scenario involves a will that leaves all assets into a discretionary trust on the first death, with the surviving spouse as one of the potential beneficiaries. If the trustees make a section 144 appointment of the entire estate to the surviving spouse within two years, the IHT position is treated as if the deceased had left the estate directly to the spouse , with full spousal exemption and, crucially, with the full nil-rate band of the first spouse preserved for transfer to the second estate.
This eliminates the IHT on the first death estate (through the spousal exemption on the appointment) and preserves both nil-rate bands for the second death. The combination of section 144 with the transferable nil-rate band can remove IHT entirely from moderate-sized estates where the trust structure would otherwise have caused complications.
The Difference Between Section 144 and a Deed of Variation
Section 144 is often conflated with the deed of variation mechanism, but they are distinct instruments operating in different ways.
A deed of variation , governed by section 142 IHTA 1984 , allows a beneficiary who has inherited under a will or intestacy to redirect their inheritance to someone else, with the redirection being treated as if it had been in the original will. The key distinction is that a deed of variation is exercised by the beneficiary of the inheritance, not by the trustees of a trust.
Section 144 is exercised by the trustees of a discretionary will trust, applying to assets held in that trust. The beneficiaries of the trust did not receive a specific inheritance to redirect , they have a discretionary interest, and it is the trustees who exercise the power to appoint.
The two mechanisms can be used together in the same estate administration. A section 144 appointment might extract assets from the discretionary trust and vest them in the spouse, who then executes a deed of variation redirecting part of those assets to children. Each mechanism has its own two-year window, its own conditions, and its own IHT consequences.
One practical distinction: a deed of variation typically requires all beneficiaries who would be disadvantaged by the variation to consent. A section 144 appointment is a trustee decision, exercised under the trust powers, and does not require the consent of beneficiaries who might otherwise have been entitled to benefit.
The CGT Position: A Critical Consideration
Section 144 addresses IHT consequences of will trust appointments. The capital gains tax position is governed by a different but related provision.
Section 144 does not automatically read back for CGT purposes. A separate CGT provision , section 62(6) of the Taxation of Chargeable Gains Act 1992 , provides that where a section 144 appointment results in assets being treated as passing under the will, those assets are treated as being acquired by the beneficiary at the date of death value rather than at a later disposal value.
This alignment with date-of-death values is important where assets have changed in value between death and the appointment. If shares held in the trust have increased in value since death, a section 144 appointment of those shares to a beneficiary is treated for CGT as if the beneficiary acquired the shares at their date-of-death value , not at the higher value at the time of appointment. The gain accruing between death and appointment is effectively extinguished for CGT through the read-back fiction.
However, this benefit is not universal. Where assets have fallen in value between death and appointment , which can happen in property or investment markets , the section 144 appointment also reads back to date-of-death value, meaning the beneficiary's base cost for future CGT is fixed at the higher date-of-death figure rather than the lower current value. In a declining market, this can reduce the beneficiary's future CGT position on a later disposal.
The CGT and IHT positions need to be considered together when deciding whether to proceed with a section 144 appointment and what assets to appoint.
What Happens When the Window Expires
Once two years from death have elapsed without a section 144 appointment, the discretionary will trust settles into the standard IHT regime for relevant property trusts.
This regime imposes:
A ten-year anniversary charge , levied at up to 6% of the trust's value at each decennial anniversary. The first anniversary date is ten years from the date of death.
Exit charges , applied when assets leave the trust, calculated as a proportion of the ten-year charge based on the time that has elapsed since the last anniversary.
Neither of these charges is catastrophic for a well-funded trust. But they are entirely avoidable if the section 144 opportunity is used within the two-year window , and the failure to use it, in estates where it would have produced a materially better IHT outcome, is a professional planning failure.
The arithmetic is worth illustrating. A discretionary will trust holding £500,000 of assets at death , created under a will that predates the RNRB and should ideally have its assets appointed to the surviving spouse , will, if not addressed under section 144, face its first ten-year charge on the anniversary of the deceased's death. Depending on the trust's available nil-rate band at that point, the charge could be up to £30,000 (6% of £500,000). Subsequent ten-year charges at similar rates continue until the trust is wound up. A series of such charges across two or three decades adds up to a significant and entirely avoidable cost.
The Income Position Before Appointment
A practical question arises where the will trust has been receiving and distributing income in the period between death and the section 144 appointment. Trust income distributions to beneficiaries in that period are taxable in the normal way , and they are not affected by the read-back fiction of section 144.
Section 144 reads back the appointment for IHT purposes. It does not read back income distributions made by the trust prior to the appointment. Income paid to beneficiaries from the trust before the appointment is treated as income of the trust and taxed accordingly, not as income of the beneficiary from a deemed direct bequest.
This can create a somewhat inconsistent picture for estate administration: the trust is treated, for IHT purposes, as if it never existed (because the appointment reads the bequest back into the will) , but the income it earned and distributed before that appointment is still taxed through the trust machinery. Executors and trustees handling estates with significant income-producing assets in a discretionary will trust should be aware that income tax consequences are not retroactively altered by section 144.
Pilot Trusts and Section 144
Discretionary will trusts are sometimes used in conjunction with pilot trusts , small trusts established during the deceased's lifetime with a nominal sum. The intention is for the will trust assets to be merged into the pilot trust, which already has its own IHT history and ten-year anniversary dates. Where section 144 is considered in this context, the read-back applies to the appointment of assets from the will trust, but the interaction with the pilot trust's own IHT calculations requires careful analysis.
The relevant property trust regime calculates ten-year charges based on the trust's history, and merging assets can alter the applicable rates and bands. Where pilot trust planning was used, the section 144 appointment needs to be reviewed alongside the pilot trust's existing tax profile , not simply as a standalone post-death variation. Specialist advice is essential in this scenario.
The RNRB Taper and Section 144 Planning
The RNRB taper , which reduces the available allowance by £1 for every £2 of estate above £2 million , interacts with section 144 planning in a way that requires specific attention for larger estates.
Where a discretionary will trust holds substantial assets, and a section 144 appointment would bring the overall estate (including the appointed assets) above the £2 million taper threshold, the RNRB may be partially or fully tapered away , even though the appointment was intended to engage it.
This means that the section 144 strategy of appointing the residential property to direct descendants to claim the RNRB needs to be evaluated against the total estate value, not just the value of the residential property itself. A careful calculation of the RNRB available after any taper is essential before proceeding.
From April 2027, the inclusion of pension funds within estates for IHT purposes will further affect this calculation. Pension assets that previously sat outside the estate , and therefore outside the taper calculation , will be included. For some estates, this addition will push the total value above £2 million for the first time, reducing the available RNRB and altering the section 144 analysis. Executors of estates where the deceased died close to or after April 2027 will need to account for pension fund values when assessing whether the RNRB taper applies.
The Practical Checklist for Estate Administrators
For solicitors, executors, and families administering estates with discretionary will trust provisions, the following sequence reflects sound practice:
At the point of grant of probate: Identify whether the will contains any discretionary trust provisions, however described. Nil-rate band trusts, residuary discretionary trusts, and family trusts created by will all potentially engage section 144.
Within the first six months: Assess whether the section 144 window offers a materially better IHT outcome than allowing the trust to continue. The key questions are: Does the estate qualify for the RNRB, and is it blocked by the trust structure? Does the estate qualify for the spousal exemption on assets held in the trust, and would a section 144 appointment engage it? What is the current IHT position versus the future ten-year charge exposure?
Obtain specialist tax advice: The section 144 analysis requires both IHT and CGT modelling. The interaction between the IHT read-back and the CGT position must be worked through for each asset class held in the trust. For estates with a mix of property, investments, and business assets, this analysis is not straightforward.
Execute the appointment within two years: The appointment must be formally documented as a trustee resolution or deed, clearly identifying the assets appointed and the beneficiaries receiving them. Legal advice on the drafting is important , a poorly drafted appointment may not satisfy the requirements of section 144.
Update the HMRC IHT position: Where a section 144 appointment changes the IHT calculation from what was originally filed, an amended IHT400 or a corrective account may be required. The section 144 read-back alters the distribution of assets as they appear in the estate's IHT calculation, and HMRC needs to be informed if this changes the tax due.
Common Errors and Missed Opportunities
Several recurring errors reduce the effectiveness of section 144 planning or prevent it from being used at all.
Missing the two-year deadline: This is the most common failure. Estates where probate is complex, contested, or simply slow to administer , and where no one has specifically flagged the section 144 deadline , routinely lose the opportunity. The window is from death, not from probate, and must be tracked independently of the general estate administration timetable.
Assuming section 144 automatically applies: The appointment must be actively made by the trustees within the two-year period. Inaction does not engage section 144. A discretionary will trust that distributes to beneficiaries informally , without a formal trustee appointment , does not benefit from the read-back.
Failing to consider CGT alongside IHT: A section 144 appointment that achieves an IHT saving may simultaneously alter the CGT position in a way that erodes some of that saving. The two calculations must be run together, not sequentially.
Ignoring the impact on will trusts containing business property: Where a discretionary will trust holds shares in a trading company or agricultural land qualifying for BPR or APR, a section 144 appointment needs careful analysis of whether the relief conditions are preserved on appointment. The reformed BPR rules from April 2026 , with the £2.5 million 100% cap , may affect the quantum of relief available on appointment in ways that were not relevant when the will was drafted.
Key Takeaways
● Section 144 IHTA 1984 treats appointments out of a discretionary will trust, made within two years of death, as if written into the deceased's will from the outset. This read-back applies for IHT purposes, allowing the distribution to engage reliefs , such as the spousal exemption or RNRB , that would not otherwise be available.
● The two-year window runs from the date of death, not the date of probate or the date the trust is constituted. It is a fixed deadline with no extension.
● Section 144 does not read back for CGT purposes , a separate provision under the TCGA 1992 governs CGT treatment on appointment, and the interaction of the two regimes must be considered together.
● Where a will leaves property to a discretionary trust, the RNRB cannot be claimed unless a section 144 appointment directs the qualifying property to direct descendants within two years. This is one of the most common and valuable uses of the mechanism in current estate administration.
● Section 144 is distinct from a deed of variation: it is exercised by trustees, not beneficiaries, and applies specifically to assets in a discretionary will trust. Both mechanisms can operate in the same estate.
● Failure to use section 144 within the two-year period results in the trust entering the relevant property IHT regime, with ten-year anniversary charges and exit charges on any subsequent distributions.
● The April 2027 inclusion of pension funds within estates for IHT purposes will affect the RNRB taper calculation for estates administered on or after that date , potentially changing the section 144 analysis for larger estates.
FAQs
Q1: Can a section 144 appointment be made if one of the trustees has died between the death of the testator and the two-year deadline?
A1: Well, it is worth noting that the death of a trustee during the administration period creates a genuine practical complication but does not automatically prevent a section 144 appointment from being made. Trust law provides mechanisms for dealing with a reduction in trustee numbers , typically through the appointment of a replacement trustee before the section 144 appointment is executed, or through the remaining trustees acting alone where the trust deed or the Trustee Act 1925 permits a sole surviving trustee to act. Most well-drafted discretionary will trusts allow the remaining trustees to continue acting, provided at least one remains , though a sole trustee cannot give a valid receipt for the proceeds of land sales without a second trustee or a trust corporation being involved.
Where the death of a trustee is discovered close to the two-year deadline, the priority should be to appoint a replacement trustee as quickly as possible and then execute the section 144 appointment before the window closes. This requires a formal deed of appointment of new trustee followed by the section 144 appointment deed , both completed within the two-year period. Allowing administrative delays to consume the remaining time would be a significant missed opportunity. Taking legal advice the moment a trustee vacancy is identified during the administration period is the sensible approach.
Q2: If a discretionary will trust has already made income distributions to beneficiaries before the section 144 appointment is executed, does this affect the validity of the appointment?
A2: In my experience, this is one of the questions that most commonly arises in practice, and the reassuring answer is that income distributions made before a section 144 capital appointment do not invalidate the appointment itself. Section 144 operates on the capital assets held in the trust , the principal fund. Trustees distributing income from those assets to beneficiaries in the normal course of trust administration before a capital appointment are exercising a routine trust function that does not undermine their authority to make a later capital appointment.
The IHT read-back under section 144 applies to the capital appointment, not to the income distributions that preceded it. Those income distributions are taxed through the trust in the normal way , at the trust income tax rates with appropriate tax credit given to beneficiaries , and the section 144 appointment does not retroactively alter that income tax treatment. What executors and trustees should be careful about is ensuring that income distributions in the period before the appointment are documented clearly as income distributions, not as capital payments. Any ambiguity about whether a payment was capital or income could create complications when the section 144 appointment is made and HMRC reviews the trust's transaction history.
Q3: Does section 144 apply to a bereaved minor's trust or vulnerable beneficiary trust established under a will, or only to discretionary trusts?
A3: Well, this is an area where precision about trust type matters enormously. Section 144 applies specifically to relevant property trusts , broadly, discretionary trusts , established under a will. A bereaved minor's trust, which is a specific type of trust for a child who has lost a parent, operates under different IHT rules: it is not a relevant property trust and does not attract ten-year charges or exit charges. Similarly, a qualifying disabled person's trust set up under a will has its own favourable IHT treatment. Because these types of trust are not relevant property trusts, section 144 does not apply to them , but they also do not need section 144, because they are already exempt from the periodic and exit charge regime.
The section 144 mechanism is specifically designed to rescue assets from the relevant property trust regime by redirecting them before the trust becomes subject to that regime. If a will creates a bereaved minor's trust, the assets are already in a more favourable IHT position, and no section 144 action is necessary or available. The practical implication is that trustees dealing with wills containing multiple trust types should identify each trust's IHT classification before assessing whether section 144 is available and necessary for each one.
Q4: Can a section 144 appointment be used to redirect assets from a discretionary will trust to a disabled person's trust for a beneficiary who has recently been diagnosed with a disability?
A4: Well, this is a genuinely useful planning scenario and one where section 144 and the IHT rules for disabled trusts interact constructively. If a beneficiary who would have received a share of the estate under an absolute bequest or under a discretionary appointment subsequently develops a significant disability, the family might wish to hold that share in a qualifying disabled person's trust rather than distributing it outright. A section 144 appointment from the discretionary will trust to a qualifying disabled person's trust can achieve this.
Provided the disabled person's trust meets the conditions for qualifying trust status under the Finance Act 2005 , primarily that at least half the trust income must be applied for the benefit of the disabled person during their lifetime , the IHT treatment of that trust is more favourable than a standard discretionary trust. The section 144 appointment directs assets from one trust to another, and the read-back treats the transfer as if the deceased had made the bequest directly to the disabled person's trust from the outset. From an IHT perspective this is treated as a deemed disposition in favour of the disabled trust, with the favourable IHT treatment of that structure applying. The disability diagnosis does not need to have been known to the testator when the will was made , it is the current circumstances at the time of the appointment that determine whether the disabled person's trust qualifies.
Q5: How does section 144 interact with the transferable nil-rate band where the surviving spouse has already died before the two-year deadline expires?
A5: In my experience, this specific scenario , where the second spouse also dies within two years of the first , creates an urgent planning problem that requires rapid co-ordination between the two estates. Where the surviving spouse dies before the two-year section 144 deadline from the first death, the section 144 appointment on the first estate must still be made before the original two-year deadline , not the two-year deadline from the second death. The administrators of the first estate need to execute the section 144 appointment regardless of whether the surviving spouse is still alive to benefit from it. If a section 144 appointment directed assets to the surviving spouse, and the surviving spouse has since also died, those appointed assets now form part of the surviving spouse's estate.
The IHT calculation for the surviving spouse's estate can then claim the first spouse's transferred nil-rate band if it was unused on the first death. The section 144 read-back means the first estate is treated as having left assets to the spouse, which was an exempt transfer , so the first nil-rate band remains entirely unused and fully transferable to the surviving spouse's estate. Where both spouses have died close together and both estates require section 144 attention, the administration of both estates should be co-ordinated by the same legal team to prevent inconsistencies.
Q6: Does the reformed business property relief regime from April 2026 affect section 144 appointments of business assets from discretionary will trusts?
A6: Well, this is a genuinely important question for estates containing trading company shares or agricultural land, and the interaction with the April 2026 reform is not always appreciated. From April 2026, the 100% BPR rate applies only to the first £2.5 million of qualifying business or agricultural property per individual. Above that threshold, only 50% relief applies, creating an effective 20% IHT rate on the excess. Where a discretionary will trust holds qualifying business assets above the £2.5 million threshold, a section 144 appointment of those assets to individual beneficiaries raises a specific question: does each beneficiary receive their own £2.5 million allowance for the assets appointed to them?
The answer requires careful analysis of how the relief is calculated at the point of appointment, and whether the appointment , being read back as if made under the will , is treated as multiple bequests to multiple beneficiaries each with their own allowance, or as a single bequest with a single allowance. Where assets are appointed to two or more beneficiaries, the combined £2.5 million allowance position may be more favourable than holding everything in a single trust that used the deceased's allowance on death. This is an area where specialist advice is essential before the appointment is executed, because the reformed BPR regime is new and HMRC guidance on its interaction with section 144 read-backs is still developing.
Q7: What happens if the discretionary will trust has been operating under a grant of administration rather than probate, and does this affect the section 144 deadline?
A7: Well, it is worth clarifying an important technical point. The section 144 deadline runs from the date of the deceased's death , not from any subsequent legal process, whether that is a grant of probate (for an estate with a valid will), a grant of letters of administration (for an estate without a will), or any other form of representation. In practice, a discretionary trust established under a valid will is administered under a grant of probate, not administration , the distinction is about whether a valid will exists. Where a purported will is later found to be invalid, the original section 144 trust planning may be disrupted entirely.
But in the normal case, the grant of probate simply confirms the executors' authority to act , it does not start the section 144 clock. What this means practically is that where a grant of probate takes longer than expected , perhaps because a will is contested, there are complex foreign assets, or HMRC requires additional time to process the IHT forms , the section 144 window continues to run. Executors who are waiting for probate to be granted before considering section 144 opportunities are losing time they may not be able to recover. The assessment of whether section 144 is beneficial should be initiated as early as possible after death, and the plan to execute should be firm well before the two-year deadline.
About the Author:
Adil Akhtar, ACMA, CGMA, FCMA, (membership ID is 990250923) serves as CEO and Chief Accountant at Pro Tax Accountant, bringing over 18 years of expertise in tackling intricate tax issues. As a respected tax blog writer, Adil has spent more than eighteen years delivering clear, practical advice to UK taxpayers. He also leads Advantax Accountants, (registered with Companies House), combining technical expertise with a passion for simplifying complex financial concepts, establishing himself as a trusted voice in tax education.
Email: adilacma@icloud.com
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