Inheritance Tax and Your Pension: The 2027 Changes
For over a decade, defined contribution pension pots have served as one of the most powerful estate planning shelters in the UK. Because pension trustees historically retained final discretion over who received your remaining funds, these pots sat comfortably outside your estate for Inheritance Tax (IHT) purposes.
Following major legislative overhauls introduced in the Finance Act, this long-standing tax exemption has been dismantled. Unused pension funds will be treated as part of your taxable estate, completely rewriting the rules of wealth preservation.
1. The Core Legislative Shift: Notional Pension Property
The statutory mechanics are explicit: for deaths occurring on or after 6 April 2027, all unused pension wealth and lump-sum death benefits will be legally reclassified as "Notional Pension Property" (NPP).
This means the gross value of your pension funds immediately prior to death will be added directly to the value of your physical estate—such as your home, savings, and investments—when calculating your total IHT exposure. If the combined sum exceeds your available tax-free thresholds, the excess is hit with the standard 40% Inheritance Tax rate.
The rules cast a wide net across all registered retirement structures:
- Defined Contribution (DC) Pots: Traditional personal pensions, SIPPs, and workplace nest eggs.
- Drawdown Accounts: Funds that have already been accessed for a tax-free lump sum but remain invested to provide a flexible retirement income.
- Defined Benefit (DB) Protection Schemes: Lump-sum death benefits or guaranteed final-salary pension protection payouts.
Only a few specific exceptions escape the new IHT net, most notably statutory "Death in Service" life insurance benefits and ongoing dependents' scheme pensions.
2. The Preservation of the Spousal Exemption
While the inclusion of pensions will push thousands of families over the tax threshold, the government has left a critical firewall in place:
The Spousal Safe Harbour
The standard IHT Spousal Exemption automatically extends to cover your pension assets. If you nominate your legal spouse or registered civil partner to inherit your remaining pension pot, the entire transfer remains completely free from Inheritance Tax, regardless of the size of the fund.
Furthermore, any unused portion of your personal £325,000 Nil Rate Band can still be transferred to your surviving partner, allowing a couple to potentially pass up to £1 million in total assets to their children entirely tax-free.
The Non-Spousal Trap
If you bypass your spouse and leave your pension directly to your children, grandchildren, or a discretionary bypass trust, the entire value of that pot faces the full 40% IHT rate once your personal allowance is exhausted.
3. The £2 Million Residence Nil Rate Band Taper
The inclusion of your pension pot does not just create a direct tax liability on the pension itself; it can create a devastating knock-on effect on your home’s tax protection via the Residence Nil Rate Band (RNRB).
The RNRB provides an additional £175,000 tax-free allowance when passing a main residence down to direct descendants. However, this allowance is hit with a strict taper rule: the RNRB is reduced by £1 for every £2 that an estate's total value exceeds £2,000,000.
Previously, an individual could own a £1.8 million house and hold a £1.5 million pension pot. Because the pension was hidden from IHT, the estate value was recorded as £1.8 million—well below the taper point—fully protecting the home.
From April 2027, the pension value is forced into the calculation. The estate value in this scenario expands to £3.3 million, completely wiping out the RNRB allowance and adding tens of thousands of pounds to the tax bill on the family home.
4. The Double Taxation Exposure (The 67% Cliff)
For individuals who pass away aged 75 or older, their beneficiaries face an incredibly high effective tax rate due to the interaction between Inheritance Tax and personal Income Tax.
Under long-standing rules, if you die after age 75, any withdrawals your beneficiaries make from the inherited pension pot are treated as taxable income at their personal marginal rate (up to 45%).
From April 2027, the pension pot is hit with 40% IHT first. When the beneficiary subsequently withdraws the remaining funds, they pay Income Tax on what is left.
HMRC provides a relief mechanism to prevent direct double taxation by deducting the IHT paid from the amount subject to Income Tax. However, the math still results in a massive tax hit: a higher-rate beneficiary inheriting a pension pot from someone over 75 will see an effective combined tax rate of roughly 67% on their inheritance, which can climb even higher if the RNRB taper is triggered.
5. The Operational Probate and Withholding Notice Protocol
The process for managing estate administration will shift significantly to accommodate these rules. Personal Representatives (executors) hold the legal liability for calculating and reporting the IHT due on pensions, while the beneficiaries' shares of the pension funds are used to pay it.
To navigate this, a strict timeline and withholding protocol has been established:
Crucially, pension assets are excluded from standard installment rules; any tax due must be settled in full within the standard six months from death, creating severe liquidity challenges for estates holding illiquid pension investments like commercial property or unquoted shares.
Key Points to Remember
- Unused defined contribution pensions and drawdown pots will be included in your taxable estate from 6 April 2027.
- Leaving your pension to a legal spouse or civil partner remains completely tax-free under the spousal exemption.
- Pension values will now count toward the £2 million threshold, potentially wiping out your Residence Nil Rate Band.
- Inherited pensions from donors over 75 face both IHT and Income Tax, creating an effective tax rate of up to 67%.
- Personal representatives can force pension providers to withhold 50% of benefits for 15 months to ensure tax is covered.
- Unlike other property, pension IHT cannot be paid in installments over 10 years; it must be cleared within 6 months.