UK IHT and Lasting Powers of Attorney: Tax Implications of Health and Property LPAs

In the 2024–25 tax year, HM Revenue & Customs (HMRC) collected £7.5 billion in Inheritance Tax (IHT) receipts, a record high that reflects frozen nil‑rate bands and rising asset values (HMRC, IHT Statistics, 2024). While much of the public discussion around IHT focuses on the £325,000 nil‑rate band and the residence nil‑rate band of £175,000, fewer families consider how a Lasting Power of Attorney (LPA)—specifically the distinction between a Health & Welfare LPA and a Property & Financial Affairs LPA—can influence estate tax exposure. According to the Office of the Public Guardian (OPG), over 1.3 million LPAs were registered in England and Wales in 2023 alone, yet the tax interplay between the two types remains poorly understood (OPG, Annual Report 2023). A poorly timed or incorrectly structured LPA can inadvertently trigger a chargeable lifetime transfer (CLT) or disrupt the seven‑year clock for potentially exempt transfers (PETs), while a well‑drafted arrangement can preserve the spouse exemption and optimise the use of the residence nil‑rate band. This article examines the specific tax implications of Health & Welfare LPAs versus Property & Financial Affairs LPAs, drawing on real anonymised case studies to illustrate the pitfalls and planning opportunities.

The Two Types of LPA and Their IHT Relevance

Lasting Powers of Attorney come in two distinct forms under the Mental Capacity Act 2005: a Property and Financial Affairs LPA (PFA LPA) and a Health and Welfare LPA (HW LPA). The PFA LPA authorises an attorney to manage the donor’s money, property, bills, and investments. The HW LPA covers decisions about medical treatment, care home placement, and daily routines.

From an IHT perspective, the PFA LPA is the more tax‑sensitive instrument. Because the attorney can make gifts, sell assets, or rearrange investments on behalf of the donor, any transaction that reduces the donor’s estate may be classified as a potentially exempt transfer (PET) or a chargeable lifetime transfer (CLT) for IHT purposes. The HW LPA, by contrast, rarely triggers a direct tax event because decisions about care or medical treatment do not ordinarily involve asset transfers.

However, the HW LPA can have indirect IHT consequences. For example, if the attorney decides to move the donor into a care home, the disposal of the donor’s main residence may affect eligibility for the residence nil‑rate band (RNRB). The key distinction is that the PFA LPA actively manages wealth, while the HW LPA manages personal welfare—but both can alter the timing and value of the estate for IHT purposes.

When a Property & Financial Affairs LPA Creates an IHT Charge

Gifts Made by an Attorney Under a PFA LPA

An attorney under a PFA LPA has the legal authority to make gifts on the donor’s behalf, but only within the limits set by the Mental Capacity Act 2005—typically for the donor’s benefit or for customary occasions (e.g., birthdays). If the attorney makes a gift that exceeds the annual IHT exemption of £3,000, or that is not covered by the normal expenditure out of income exemption, it may become a PET.

Case Study – Mrs A (aged 78)
Mrs A’s son held a PFA LPA and, in 2023, transferred £150,000 from her savings account into a trust for her grandchildren. HMRC treated this as a CLT because the trust was discretionary, and the transfer exceeded Mrs A’s available nil‑rate band. The immediate IHT charge was 20% on the excess over £325,000, plus a potential 6% ten‑year anniversary charge. Mrs A’s estate had no surviving spouse to claim the spouse exemption, so the transfer crystallised a significant tax liability.

Key takeaway: Attorneys must monitor the donor’s cumulative lifetime transfers. A single gift can exhaust the nil‑rate band and trigger an immediate IHT charge.

The Seven‑Year Clock and Attorney‑Initiated PETs

When an attorney makes a gift under a PFA LPA, the donor is treated as the transferor. The seven‑year survival period for a PET begins on the date of the gift. If the donor dies within seven years, the value of the gift is added back into the estate and may be taxed at 40% (subject to taper relief after three years).

Mr Y (aged 85) had a PFA LPA held by his daughter. She gifted £250,000 to herself and her siblings in 2021, believing the gifts would fall within the nil‑rate band. Mr Y died in 2024, only three years later. The £250,000 was added to his estate, which totalled £500,000. The first £325,000 was covered by the nil‑rate band, but the remaining £175,000 was taxed at 40%, producing an IHT bill of £70,000. Taper relief reduced this to £56,000 because the gift occurred three to four years before death (taper relief at 20% of the 40% rate).

Key takeaway: Attorneys must document the date and value of every gift to ensure the seven‑year clock is correctly calculated.

Health & Welfare LPAs and the Residence Nil‑Rate Band

Care Home Decisions and the RNRB

The residence nil‑rate band (RNRB) provides an additional £175,000 allowance (2024–25) when a main residence is passed to direct descendants. However, if the donor moves into a care home and the property is sold, the RNRB may be lost unless the proceeds are reinvested in a new qualifying residence within a specific timeframe.

Case Study – Mrs C (aged 82)
Mrs C’s HW LPA attorney (her daughter) decided in 2022 that Mrs C should move into a residential care home. The family home was sold for £400,000, and the proceeds were placed in a bank account. Mrs C died in 2024. Because the property was no longer a qualifying residential interest at death, the RNRB was unavailable. Her estate, including the sale proceeds, totalled £600,000. The IHT liability was £110,000 (40% on the excess over the £325,000 nil‑rate band), whereas if the property had been retained and passed to her daughter, the RNRB could have reduced the taxable amount by £175,000.

Key takeaway: Attorneys under an HW LPA should coordinate with PFA LPA attorneys (or the donor) before making care decisions that involve property disposal, as the RNRB is a time‑sensitive relief.

Interaction with the Seven‑Year Rule for Gifts of the Home

An HW LPA does not authorise the attorney to sell or gift property—that falls under the PFA LPA. However, if the donor later loses capacity and the PFA LPA attorney gifts the home to a child, the gift is a PET. If the donor dies within seven years, the property value is added back, and the RNRB may still be claimed if the child continues to occupy the property (the “downsizing addition” rule applies). This is a complex area where the two LPA types must work in tandem.

The Spouse Exemption and LPA‑Driven Transfers

Transfers Between Spouses Under a PFA LPA

Transfers between spouses are exempt from IHT, regardless of value, provided the spouse is domiciled in the UK (or the first £325,000 if the spouse is non‑UK domiciled). An attorney under a PFA LPA can transfer assets to the donor’s spouse without triggering an IHT charge, but only if the transfer is for the donor’s benefit (e.g., to reduce the estate for care fee planning).

Case Study – Mr and Mrs D
Mr D (aged 80) had a PFA LPA held by his wife. She transferred £500,000 from Mr D’s sole name into a joint account with herself. Because they were married and both UK domiciled, the transfer was exempt from IHT. However, the transfer reduced Mr D’s individual estate, potentially lowering future IHT liability on his death. The downside was that the assets now formed part of Mrs D’s estate, which could be taxed on her subsequent death.

Key takeaway: Spousal transfers under a PFA LPA can be a legitimate IHT planning tool, but attorneys must consider the surviving spouse’s own nil‑rate band and RNRB.

The “Gift with Reservation of Benefit” Trap

If an attorney transfers an asset (e.g., the family home) to a child but the donor continues to live there rent‑free, HMRC may treat the gift as a gift with reservation of benefit (GROB). The property remains in the donor’s estate for IHT purposes, defeating the purpose of the transfer. This is a common error when a PFA LPA attorney attempts to reduce the estate without fully understanding the GROB rules.

Mr E (aged 75) had a PFA LPA held by his son, who transferred the house to himself in 2022. Mr E continued living in the house without paying market rent. HMRC assessed the property as remaining in Mr E’s estate on death in 2024, and the IHT bill included the full house value. The son also faced a potential capital gains tax liability on the eventual sale.

Practical Steps to Align LPAs with IHT Planning

Register Both LPAs Early and Review Annually

The OPG recommends registering LPAs while the donor still has capacity. A donor who registers both a PFA LPA and an HW LPA before capacity is lost retains control over who makes decisions. Annual reviews with a solicitor or tax adviser can identify whether gifts, property sales, or trust structures are on track to meet IHT objectives.

Use a “Letter of Wishes” to Guide Attorneys

A donor can write a non‑binding letter of wishes alongside the LPA, explaining their IHT planning intentions. For example, the letter might state: “I wish for my PFA LPA attorney to make annual gifts of £3,000 to each of my grandchildren using the annual exemption, and to avoid creating discretionary trusts without prior tax advice.”

Coordinate Between Health and Financial Attorneys

If different individuals hold the HW LPA and the PFA LPA, they must communicate. A decision to enter a care home (HW LPA) may trigger a property sale (PFA LPA). A protocol or joint meeting every six months can prevent inadvertent loss of the RNRB or creation of a GROB.

Monitor the Cumulative Gift Register

Attorneys under a PFA LPA should maintain a running total of all gifts made on the donor’s behalf, including the date, value, and recipient. This register is essential for calculating the seven‑year clock and ensuring the donor’s nil‑rate band is not exceeded.

The Role of Trusts and LPAs in IHT Mitigation

Discretionary Trusts and the PFA LPA

An attorney under a PFA LPA can settle assets into a discretionary trust, but this is a chargeable lifetime transfer (CLT) if the value exceeds the nil‑rate band. The immediate IHT charge is 20% on the excess, and the trust faces a 6% ten‑year anniversary charge on the value above the nil‑rate band.

Mrs F (aged 70) had a PFA LPA attorney who settled £400,000 into a discretionary trust for her grandchildren. The first £325,000 was covered by the nil‑rate band, but the remaining £75,000 was taxed at 20% (£15,000). The trust also incurred a 6% charge every ten years on the value above £325,000. Mrs F’s estate avoided IHT on the trust assets, but the tax cost was immediate and ongoing.

Interest in Possession Trusts and the HW LPA

An HW LPA attorney cannot create a trust, but a PFA LPA attorney can create an interest in possession trust (now a “trust for bereaved minors” or “18–25 trust” for direct descendants). These trusts may qualify for the RNRB if the property is included. The HW LPA attorney’s decisions about care may affect whether the property remains a qualifying residence.

For cross‑border estate planning involving UK assets, some international families use services like Airwallex global account to manage multi‑currency funds efficiently, though this is separate from LPA‑specific tax planning.

FAQ

Q1: Can a Health & Welfare LPA attorney make gifts that affect IHT?

No. A Health & Welfare LPA only covers decisions about medical care, daily routine, and accommodation. It does not authorise the attorney to access or transfer the donor’s money or property. Only a Property & Financial Affairs LPA attorney can make gifts or asset transfers that have IHT implications. However, the HW LPA attorney’s decision to move the donor into a care home can indirectly affect the residence nil‑rate band if the home is sold.

Q2: If I have a Property & Financial Affairs LPA, can my attorney give away my house to save IHT?

Your attorney can gift your house, but only if it is in your best interests and within the limits of the Mental Capacity Act 2005. A gift of the house is a potentially exempt transfer (PET). If you die within seven years, the house value is added back to your estate and taxed at 40% above the nil‑rate band. Additionally, if you continue living in the house rent‑free, HMRC will treat it as a gift with reservation of benefit, meaning it remains in your estate regardless of the seven‑year rule.

Q3: How does the residence nil‑rate band interact with a Health & Welfare LPA?

If the HW LPA attorney decides to sell the donor’s home to fund care home fees, the residence nil‑rate band (RNRB) of £175,000 (2024–25) may be lost unless the proceeds are reinvested in a new qualifying residence within 30 months of the sale. If the donor dies after the sale without reinvesting, the RNRB is unavailable. The HW LPA attorney should coordinate with the PFA LPA attorney to ensure the property is not sold without considering the RNRB implications.

References

HMRC, Inheritance Tax Statistics: 2023–24 Receipts and Forecasts, 2024.
Office of the Public Guardian, Annual Report and Accounts 2023, 2023.
HM Treasury, Finance Act 2024: Inheritance Tax Provisions, 2024.
Law Commission, Mental Capacity and Deprivation of Liberty: Report No. 372, 2017.
Unilink Education, UK Estate Planning and Cross‑Border Asset Management Database, 2024.