A UK retiree has enough savings to think beyond the next bill. The uncomfortable question is whether the expected pension inheritance-tax change from April 2027 should make them draw pension money sooner, preserve ISA liquidity, gift more, or wait until implementation is clearer.
This scenario starts with a 68-year-old UK homeowner with about £700,000 of investable wealth across a defined-contribution pension, ISA, taxable investments, and cash. State Pension and a small DB pension provide about £1,946/month before tax. The model then layers in normal retirement spending, modest family gifts, review costs, home adaptation, and a late-life care reserve.
The simulator pools assets, so it cannot calculate UK Income Tax, Capital Gains Tax, ISA treatment, gifts, pension death benefits, or IHT. Use it as a cash-flow stress test for three drawdown styles, not as a tax calculation.
HMRC material says most unused pension funds and pension death benefits are due to be brought into Inheritance Tax scope from 6 April 2027. The same material says personal representatives are expected to report and pay any IHT due on those unused pension funds and death benefits.
That headline matters because many retirees have been told to spend ISA or taxable assets first and preserve pension wealth for heirs. After the 2027 change, that rule of thumb may be weaker. It is still not a reason to raid a pension blindly. Pension withdrawals can create current Income Tax, reduce future shelter, and move money into cash, ISA, or taxable accounts that may still be inside the estate.
Key implementation details, scheme process, beneficiary handling, and household-specific thresholds still need verification before acting.
Secure income: the model uses the 2026-27 full new State Pension of £241.30/week, or about £1,046/month, plus £900/month of DB pension income.
Asset mix: the £700,000 starting balance is a pooled simulation balance. A plausible real split might be roughly £350,000-£450,000 DC pension, £150,000-£250,000 ISA, and £75,000-£150,000 taxable investments/cash.
Spending: core retirement spending of £2,700-£2,850/month sits inside the research brief's single-retiree and couple-adjusted UK planning ranges.
Care reserve: every branch includes home refresh, accessibility work, and a late-life care reserve because accelerating gifts or pension withdrawals before care needs are known is the obvious failure mode.
This branch acts on the 2027 policy risk without pretending it is free. It keeps gifts at £350/month, adds £350/month of tax friction through age 82, and includes review costs while the rule change is still approaching.
It can fit a household whose DC pension is large relative to ISA and cash. The aim is gradual band management and lower pension concentration, not a one-off withdrawal. If a large pension withdrawal would push income into higher tax bands, threaten care reserves, or simply create another IHT-exposed balance, the branch is warning you to slow down.
This branch keeps the familiar order: use ISA, taxable assets, and cash for spending and gifts while the pension remains a later-life reserve. It supports £650/month of gifts through age 82 and a £115,000 late-life care reserve.
That order is simple and liquid, but it should not be copied just because it used to be common. GOV.UK says ISA investments form part of the estate for IHT after death, and HMRC's published pension measure changes the old reason for leaving DC pensions untouched.
This branch is the administrative pause. It trims core spending to £2,700/month, keeps gifts to £250/month, pays review costs for the first few years, and raises the late-life care reserve to £160,000.
Waiting is not always best. If the pension is very large and the estate is clearly exposed, doing nothing can also be a decision. But when implementation details still need verification, this branch protects against making irreversible gifts or taxable withdrawals based on incomplete rules.
IHT thresholds: the research brief records a £325,000 nil-rate band and £175,000 residence nil-rate band where conditions apply. Unused allowances can normally transfer between spouses or civil partners, so some qualifying couples may have up to £1 million of combined allowance. Eligibility, tapering, and estate facts need verification.
Pension withdrawals: GOV.UK says up to 25% of pension savings can usually be taken tax-free, capped by the £268,275 lump sum allowance. Other withdrawals are taxable. Scheme protections and earlier crystallisation can change the answer.
ISA assets: ISAs remain sheltered from Income Tax and Capital Gains Tax while held, but ISA investments normally form part of the estate for IHT.
Gifts: gifts are not modeled as guaranteed tax savings. Larger gifts, regular gifts out of income, the seven-year rule, trusts, and record-keeping are advice-sensitive.
Care costs: Age UK's average care-home figures are high enough that a plan built only around heirs can fail the person who owns the money.
Start with your actual split between pension, ISA, taxable investments, cash, and home equity. Then adjust the three things that matter most:
Your secure income floor. If State Pension and DB income cover less than expected, drawdown order is secondary to retirement sustainability.
The tax-friction line. Increase it if earlier pension withdrawals would create higher-rate tax or interact badly with other income.
The care reserve. Move it earlier or make it larger before increasing gifts.
If the Pension earlier branch only works by cutting care reserve or draining liquidity, the 2027 headline is probably pushing too hard. If ISA first leaves a large pension untouched while estate exposure is already clear, the old rule of thumb probably needs a review. If Wait for clarity survives but leaves a concentrated pension, set an actual review date rather than letting the default drift.
This is an educational model, not personal tax, legal, investment, pension, or estate-planning advice. UK pension, IHT, ISA, gift, and care rules are simplified and should be checked with a qualified adviser before acting.