£1,073,100 Lump Sum Death Benefit Allowance: £81,000 Tax Bill
A 45‑year‑old with £800,000 in UK pensions could unwittingly leave their children facing an unexpected income tax bill of over £81,000 on their inheritance, simply because they’ve quietly used up their new £1,073,100 Lump Sum and Death Benefit Allowance without ever being told it existed.
The number that matters
£1.0731M — LSDBA — HMRC 2024
The new Lump Sum and Death Benefit Allowance (LSDBA) is fixed at £1,073,100 per person and caps how much of your pension can be paid out tax‑free in lump sums during life and on death; any excess above this limit is now taxed at your beneficiaries’ marginal income tax rates.
How it quietly costs you
Mechanism: hidden replacement for the Lifetime Allowance
- From 6 April 2024, the old Lifetime Allowance (LTA) was abolished, but two new caps quietly arrived: the Lump Sum Allowance (LSA) and the Lump Sum and Death Benefit Allowance (LSDBA).
- The LSDBA is a single, fixed cap on the total tax‑free lump sums from all your UK pensions combined – both while you’re alive and paid out as lump sums when you die.
- The standard LSDBA is £1,073,100 for most people, with no indexation (no automatic rise with inflation) and no built‑in increases over time.
- If you already used 100% of your Lifetime Allowance under the old regime, your starting LSA and LSDBA from 6 April 2024 can be £0, meaning any further tax‑free lump sums and many death‑benefit lump sums will be fully taxable.
What gets tested against the LSDBA
- For people who die before age 75, certain pension lump‑sum death benefits (for example, uncrystallised funds lump sum death benefit, flexi‑access drawdown fund lump sum death benefit, defined benefits lump sum death benefit) are checked against the deceased’s remaining LSDBA.
- These death‑benefit lump sums are tax‑free only within the available LSDBA and if paid within 2 years of the scheme administrator learning of the death.
- Any part of the lump sum above the available LSDBA is taxed as income at the recipient’s marginal rate.
Quantified impact: what “exceeding the allowance” costs you
- Assume a standard LSDBA of £1,073,100 and someone dies at 68 with total pension death lump sums of £1,300,000.
- Excess above LSDBA = £1,300,000 − £1,073,100 = £226,900 (taxable).
- If adult children are higher‑rate taxpayers (40%), they could face £90,760 of income tax on that excess (£226,900 × 40%).
- Because the LSDBA is fixed, long‑term pension growth increases the chance that otherwise tax‑free death benefits end up taxed. For example, someone with £700,000 in pension savings (a level the industry highlights as where these rules start to bite) who sees their pot grow to £1.4M over time could have £326,900 of pension lump sums above the LSDBA, potentially generating over £130,760 in tax at a 40% marginal rate.
Old vs better comparison
- Old system (Lifetime Allowance):
- Breaching the LTA triggered a specific LTA tax charge (previously up to 55% on lump sums), but there was at least an explicit, well‑publicised “Lifetime Allowance” figure many savers knew to watch.
- New system (LSDBA):
- The headline “Lifetime Allowance” name has disappeared, but in practice a £1.0731M cap still quietly governs tax‑free lump sums and death benefits.
- Instead of an explicit LTA charge, amounts above the LSDBA are simply taxed at the beneficiary’s marginal rate of income tax – which could be 20%, 40% or 45% and is often less visible as a “penalty.”
Result: People may think the “Lifetime Allowance is gone” and assume their whole pension will now pass tax‑free on death, when in reality a hard, non‑indexed cap remains and can still generate tens or hundreds of thousands of pounds of tax.
The second, compounding trap
Mechanism: the Lump Sum Allowance quietly eats into your death‑benefit headroom
- Alongside the LSDBA, the Lump Sum Allowance (LSA) caps the total tax‑free cash you can take from all pensions during your lifetime.
- The standard LSA is £268,275, equal to 25% of the old standard Lifetime Allowance, and there are no provisions for automatic increases.
- Every time you take tax‑free cash from a pension (for example, 25% of a pot under flexi‑access), that lifetime lump sum counts against your LSA and, via the new framework, reduces how much of your future death‑benefit lump sums can be paid tax‑free.
How lifetime withdrawals shrink your LSDBA
- The same overall cap of £1,073,100 applies to the aggregate of tax‑free lump sums in life and certain lump‑sum death benefits.
- HMRC and industry guidance explain that when calculating available LSDBA for a death benefit, schemes must deduct any relevant tax‑free lump sums already taken since 6 April 2024, and transitional rules adjust for benefits taken before that date.
- If an individual has used up their LTA before 6 April 2024, their starting LSDBA can be £0, unless they apply for a Transitional Tax‑Free Amount Certificate to prove they have some unused tax‑free entitlement.
Quantified compounding cost of inaction
Example:
- Person takes £200,000 in tax‑free cash over several years.
- This is below the £268,275 LSA, but it still eats £200,000 of their tax‑free headroom.
- They die at 72 with a remaining pension pot of £900,000, all paid as lump sums to adult children within two years.
- Aggregate tax‑free lump sums (life + death) = £200,000 (life) + £900,000 (death) = £1,100,000.
- LSDBA is £1,073,100, so £26,900 of the death‑benefit lump sum sits above the allowance and is taxable.
- If the beneficiary pays tax at 40%, the extra tax bill is £10,760 (26,900 × 40%).
Scale this up:
- A person who has taken the full standard LSA of £268,275 tax‑free cash and then dies with £1,073,100 of remaining pension lump sums would have total tax‑free lumps of £268,275 + £1,073,100 = £1,341,375, i.e. £268,275 above the LSDBA.
- At 40% marginal tax, the beneficiary could face about £107,310 of tax purely because lifetime tax‑free withdrawals have silently reduced the tax‑free treatment of death benefits.
Inaction—never checking how much of your LSDBA you’ve already used—means you can keep drawing tax‑free cash in life while unknowingly converting future tax‑free inheritance into taxable income for your family.
What this looks like in practice
Persona
- Name: Sarah
- Age: 52
- Job: Senior project manager in London
- Gross income: £70,000/year
- Pension type: Mix of a large defined contribution workplace scheme and an old defined benefit scheme
- Total current pension value: £800,000
- Years to planned retirement: 13 (aiming for age 65)
- Children: Two adult children (ages 24 and 21)
- Objective: She believes that if she dies before 75, “the pension goes to the kids tax‑free because the Lifetime Allowance was scrapped.”
Discovery 1 — There is still a cap, and she’s closer than she thinks
- Sarah learns that her LSDBA is a fixed £1,073,100 with no automatic inflation adjustment.
- Her £800,000 pension pot growing at a modest 4% real return for 13 years could plausibly reach around £1.3M by age 65 (modelling assumption), putting her about £226,900 above the LSDBA.
- If her children are higher‑rate taxpayers at 40%, that excess could generate roughly £90,760 in income tax at death, even if she dies before 75.
- Comparison: versus her belief that “everything is now tax‑free on death,” this is a potential six‑figure tax bill she never knew existed.
Discovery 2 — Her past tax‑free cash has already eaten into the allowance
- Sarah has already taken a £60,000 pension commencement lump sum (tax‑free cash) when she moved one pot into drawdown.
- This £60,000 counts against her LSA and, via the new framework, reduces the headroom in her LSDBA for future tax‑free death benefits.
- With a standard LSDBA of £1,073,100, if her pot grows to £1.3M and she has already taken £60,000 tax‑free, total lump sums (life + death) would be £60,000 + £1,300,000 = £1,360,000, creating £286,900 above the tax‑free cap.
- At a 40% marginal rate for her children, this implies around £114,760 of tax—versus £90,760 if she had not taken the £60,000 cash, meaning her earlier tax‑free drawdown has effectively added around £24,000 of future tax on her children’s inheritance.
Discovery 3 — A missed protection or certificate could permanently lock in a lower allowance
- Sarah had sizeable pension benefits before April 2024 but never checked whether she had or could claim any form of Lifetime Allowance protection or a Transitional Tax‑Free Amount Certificate.
- Without transitional certification, if she had previously fully used her Lifetime Allowance under the old regime, her starting LSA and LSDBA could be £0, meaning every future tax‑free lump sum (including death‑benefit lump sums) would be fully taxable.
- If she later dies with a £1M pension paid as lump sums, her children could face tax on the whole £1M. At a 40% marginal rate, that is £400,000 of tax, versus £0 if she had unused LSDBA or appropriate protections and the benefits were within the allowance.
- Comparison: a simple administrative step—checking and documenting pre‑April‑2024 usage—could be worth hundreds of thousands of pounds to her family.
The full cost of doing nothing
For someone like Sarah, who:
- starts with an £800,000 pension at age 52,
- sees it grow to around £1.3M by age 65 (modelling assumption),
- takes £60,000 in tax‑free cash over time, and
- dies before 75 with the remaining pot paid as lump‑sum death benefits,
the combined impact of Problem 1 (fixed £1.0731M LSDBA cap) and Problem 2 (lifetime tax‑free cash reducing death‑benefit headroom) is:
- Total lump sums (life + death): £60,000 + £1,300,000 = £1,360,000
- Tax‑free cap (LSDBA): £1,073,100
- Taxable excess: £286,900 above the allowance.
- If both children are higher‑rate taxpayers at 40%, estimated tax on the excess: £114,760.
Modelling basis:
- Pension growth is illustrative (approx. 4% real compound).
- Assumes standard LSDBA of £1,073,100 with no protection, no indexation, and that benefits are paid as lump‑sum death benefits within two years of death before age 75.
- Assumes beneficiaries pay tax at a 40% marginal rate.
This shows a realistic, mid‑career professional could unknowingly convert well over £100,000 of otherwise tax‑free inheritance into tax for HMRC over their lifetime.
What to do about it
Move 1 — Check your used and remaining allowances
-
Action: Audit how much tax‑free lump sum you have already taken and how much LSDBA you have left.
-
Tool/portal:
- HMRC guidance (Pensions Tax Manual) & scheme statements – check your pension benefit crystallisation history and any Transitional Tax‑Free Amount Certificates.
- Steps:
- Log into each pension scheme’s online portal and download your latest benefit statements, noting any tax‑free cash taken since 6 April 2024 and any recorded benefit crystallisation events before that date.
- Contact each provider (by secure message or phone) and ask explicitly: “What is my recorded usage of the Lump Sum Allowance (LSA) and Lump Sum and Death Benefit Allowance (LSDBA) to date, including transitional adjustments?”
- Record the figures in a simple spreadsheet: total pension value, tax‑free cash already taken, estimated remaining LSDBA versus your projected pension size at retirement.
- What “good” looks like:
- Your projected lifetime tax‑free lump sums (including potential death‑benefit lump sums) stay within or close to the £1,073,100 LSDBA, with a conscious plan if they will exceed that level.
Move 2 — Use HMRC rules to optimise how benefits are paid on death
-
Action: Choose how death benefits will be paid (lump sum vs. beneficiary drawdown/annuity) to manage exposure to the LSDBA and marginal rates.
-
Tool/portal:
- Scheme nomination/beneficiary forms via your pension providers and HMRC guidance on authorised lump sum death benefits.
- Steps:
- Request your provider’s “death‑benefit options” guide and confirm which benefits would be paid as lump sums (tested against LSDBA) versus ongoing income (beneficiary drawdown or annuity).
- Update your beneficiary nomination forms to specify, where possible, that large pots should default to beneficiary drawdown or pension income rather than solely lump‑sum death benefits, especially if projected to breach LSDBA.
- Discuss with beneficiaries (or a regulated adviser) how spreading withdrawals over several years may keep them in lower tax bands, reducing marginal‑rate tax on any amounts above LSDBA.
- What “good” looks like:
- Large pensions that may exceed £1,073,100 are structured so that only amounts within LSDBA are paid as lump sums, with the remainder accessed via income arrangements that minimise high‑rate or additional‑rate tax.
Move 3 — Review protections and transitional certificates
-
Action: Check whether you have or can document Lifetime Allowance protections or transitional tax‑free rights that increase your LSDBA.
-
Tool/portal:
- HMRC online services (pension protections) and scheme administrator records for Transitional Tax‑Free Amount Certificates.
- Steps:
- Log into your HMRC online account and check for any registered fixed, enhanced or primary Lifetime Allowance protections, noting the protected LTA level (which may uplift your LSDBA).
- Ask each pension scheme whether a Transitional Tax‑Free Amount Certificate has been or could be issued based on benefits you crystallised before 6 April 2024, and request a copy for your records.
- With all certificates and protections listed, ask your provider (or adviser) to confirm your personal LSDBA in pounds, which may
Sources
Researched 2026-07-19.
Corrections & disclosure: an AI-assisted, human-reviewed guide. Every figure is dated and sourced above. Spot something out of date or wrong? Tell us and we’ll correct it — corrections are noted here and in the video description.
The Fine Print
Deadlines don't email you. We do.
One short note when a deadline or figure that affects your money changes — Medicare enrollment, tax thresholds, contribution caps. No spam, no daily digest, unsubscribe anytime.
We'll only email you about deadline and figure changes. Privacy policy applies.