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    TaxKilnUK tax guidance
    TaxKilnUK tax guidance

    Divorce + tax → IHT implications + LTR

    IHT Implications on Divorce — £325k Spouse Exemption Cap + April 2025 LTR + BR/APR £1m

    On divorce, IHT spouse exemption terminates — gifts and bequests between ex-spouses are no longer exempt. Pre-6 April 2025: where the transferee was non-UK-domiciled and the transferor UK-domiciled, the spouse exemption was capped at £325k (IHTA 1984 s.18(2)) unless an IHTA 1984 s.267ZA election was made to treat the transferee as UK-domiciled. From 6 April 2025: domicile-based IHT scope replaced by Long-Term Resident (LTR) test (10 of previous 20 years UK-resident). LTR IHT tail of 3-10 years post-departure depending on total years of UK residence. From April 2026, BR/APR capped at £1m per individual (statutory), with the effective family-business ceiling on second death approximately £2.5m combining NRB, RNRB, and spouse-transferable allowances.

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    In plain English

    Marriage gives full IHT spouse exemption — unlimited tax-free transfers between spouses lifetime and on death (with one exception). Divorce removes this. Once decree absolute is granted, future transfers between ex-spouses are no longer exempt — they are potentially exempt transfers (PETs) on lifetime gifts, or fall within the standard NRB / RNRB framework on death. The one exception to unlimited spouse exemption pre-April 2025: if the transferring spouse was UK-domiciled but the receiving spouse was non-UK-domiciled, the spouse exemption was capped at £325k (IHTA 1984 s.18(2)). The non-dom spouse could elect under s.267ZA to be treated as UK-domiciled for IHT purposes — removing the cap but accepting worldwide IHT scope. From 6 April 2025, the UK abolished domicile as the basis for IHT scope and replaced it with the Long-Term Resident (LTR) test: an individual who has been UK-resident for 10 of the previous 20 years is within worldwide IHT scope. The £325k spouse exemption cap now applies based on LTR status of transferor vs transferee, not domicile. For divorcing couples with cross-border elements — particularly where one spouse leaves the UK on or around divorce — the LTR test's 3-10 year IHT tail matters. An LTR individual who leaves the UK retains worldwide IHT scope for between 3 and 10 years depending on how long they were UK-resident overall. Cross-border divorce settlements often need to account for this tail. For family-business divorces: from 6 April 2026, the Business Relief and Agricultural Property Relief £1m statutory cap per individual takes effect. The effective family-business ceiling on second death is approximately £2.5m, combining: deceased's £1m BR/APR cap + NRB £325k + RNRB £175k + transferable allowances from first-spouse death. Family-business divorces concluding pre-April 2026 may need timing consideration.

    How it works

    Spouse exemption pre + post divorce

    During marriage: unlimited IHT exemption on lifetime and on-death transfers between spouses (subject to non-dom £325k cap pre-April 2025). On decree absolute / final order: spouse exemption ceases. Future transfers between ex-spouses are PETs (lifetime gifts, becoming chargeable if donor dies within 7 years) or chargeable transfers within standard framework.

    Pre-April 2025 £325k cap mechanics

    IHTA 1984 s.18(2): where transferor is UK-domiciled and transferee non-UK-domiciled, spouse exemption capped at the NRB amount (£325k). Above that, transfer was chargeable. The cap could be lifted by IHTA 1984 s.267ZA election — non-dom spouse elects to be treated as UK-domiciled for IHT, removing the cap but bringing worldwide assets into UK IHT scope. Divorcing couples with mixed-domicile status often hit this cap if not previously addressed by s.267ZA election. Divorce did not in itself terminate the s.267ZA election — once made, the election continued for 4 years after the elector ceased to be UK-resident (pre-April 2025 framework).

    Post-April 2025 LTR framework

    From 6 April 2025, Finance Act 2025 replaced domicile-based IHT scope with the Long-Term Resident (LTR) test. An individual is an LTR if UK-resident for 10 of the previous 20 tax years. LTR individuals: worldwide IHT scope. Non-LTR individuals: UK-situs IHT scope only. Spouse exemption mechanics now apply by reference to LTR status of transferor + transferee. The £325k cap mechanism continues but applies to LTR-vs-non-LTR transfers. Election to be treated as LTR (analogous to old s.267ZA) is available with similar trade-off: removes cap but accepts worldwide scope.

    LTR IHT tail 3-10 years post-departure

    An LTR who leaves the UK retains worldwide IHT scope for a tail period of 3 to 10 years post-departure, on a sliding scale: 10-13 years UK residence = 3-year tail; 14-19 years = 5-year tail; 20+ years = 10-year tail. For a divorcing couple where one spouse leaves the UK post-divorce: that spouse retains IHT exposure on worldwide assets for the tail period. This affects estate planning timing and quantum of post-divorce gifts. Cross-reference: Wave 3 Brief C §1.3.2.

    April 2026 BR / APR £1m cap

    From 6 April 2026, BR + APR are jointly capped at £1m per individual at the 100% rate. Above £1m, relief tapers to 50%. Family-business owners with shareholdings significantly above £1m face IHT charge on the excess. For family-business divorces concluded pre-April 2026: BR / APR uncapped — full relief on family company shares. For divorces post-April 2026: cap applies. Effective family-business ceiling on second death: approximately £2.5m, combining: surviving spouse's £1m BR/APR cap + transferred unused BR/APR from first-spouse death (if any) + NRB £325k + RNRB £175k + transferred NRB / RNRB from first-spouse death + spouse exemption on first death.

    Divorce-specific IHT planning points

    Decree absolute date matters — spouse exemption terminates that date. Pre-divorce gifts: full spouse exemption (subject to non-dom / LTR cap). Post-divorce gifts: PET rules. Court-ordered transfers in financial-remedy proceedings: typically structured as transfers for consideration (no IHT) — the consideration being the recipient giving up alternative claims. HMRC accepts financial-remedy-order transfers as non-gratuitous.

    Who this applies to + key conditions

    Statute + manual references

    Primary: Inheritance Tax Act 1984 s.18 (spouse exemption); s.18(2) (£325k cap for transfers to non-domiciled spouse); s.267ZA (election to be treated as UK-domiciled — pre-April 2025); Finance Act 2025 (LTR test replacing domicile from 6 April 2025); Finance Act 2025 (BR / APR £1m cap from 6 April 2026).

    Related: IHTA 1984 s.4 — chargeable transfer on death; IHTA 1984 s.103-114 — Business Relief; IHTA 1984 s.115-124 — Agricultural Property Relief; Finance Act 2024 + Finance Act 2025 — replacement of domicile with LTR test; IHTA 1984 s.8A-8L — RNRB framework

    HMRC manual: IHTM11000+ (exemptions); IHTM11030 (spouse exemption); IHTM47000+ (BR / APR)

    Common mistakes + traps

    Worked example

    Eleanor (UK-domiciled, soon-to-be-LTR; family business owner) + Marcus (US-domiciled, non-LTR; tech executive); divorce June 2025, marriage 15 years

    Eleanor owns family company (UK trading co; valuation £2m at divorce). Marcus has UK + US assets but is non-LTR (only 8 years UK-resident). Financial-remedy order: Marcus receives £500k cash + Eleanor retains family company. Eleanor subsequently dies November 2027 from terminal diagnosis; estate planning critical.

    1. Divorce June 2025 — post-April 2025 LTR framework applies. Eleanor LTR; Marcus non-LTR.
    2. Financial-remedy order transfer £500k cash from Eleanor to Marcus: treated as for-consideration (Marcus giving up other claims), NOT IHT gift. No IHT charge.
    3. Spouse exemption terminates on decree absolute date. Future transfers from Eleanor to Marcus = PETs.
    4. November 2027 — Eleanor dies. Estate: family company £2.2m (now valued at probate); cash + investments £400k. Total £2.6m.
    5. BR on family company: pre-April 2026 (Eleanor's company qualifying period predates cap; cap effective 6 April 2026). Eleanor's death November 2027 = post-cap. BR limited to £1m at 100%; £1.2m above cap at 50% relief = £600k chargeable.
    6. Chargeable estate: £600k (excess of family co) + £400k cash + investments = £1m chargeable.
    7. NRB £325k + RNRB £175k (no taper as estate < £2m post-BR) = £500k exempt. Chargeable: £500k. IHT at 40% = £200k.
    8. Marcus receives no inheritance — divorced. His £500k from financial-remedy order is his own asset; no IHT exposure (non-LTR).

    Outcome: Eleanor's estate pays £200k IHT — driven by April 2026 BR cap on the family-company excess. If Eleanor had structured family-business succession earlier (e.g., gifted shares to children pre-divorce within spouse-exemption window, or pre-April 2026 to escape cap), outcome differs materially. Family-business divorces concluded pre-April 2026 benefit from full BR.

    How this connects to the rest of the framework

    CGT spouse exemption (FA 2023) →

    CGT no-gain-no-loss + IHT spouse exemption are parallel reliefs — both lost on divorce.

    Business shares on divorce →

    April 2026 BR/APR £1m cap applies to family-business share transfers + bequests post-cap.

    Cohabitation tax gap →

    Cohabitees NEVER have IHT spouse exemption — significant disadvantage on first death.

    Scenarios + anti-charlatan →

    Scenario set includes cross-border divorce + LTR tail + family-business pre-April-2026 cases.

    /moving-abroad/april-2025-iht-reform-ltr →

    Full April 2025 LTR reform deep-dive — divorce + emigration interaction.

    /tax-reliefs/iht-framework →

    Main IHT framework guide — NRB, RNRB, BR, APR, transferable allowances.

    Frequently asked questions

    What happens if I miss the Self Assessment deadline?+
    The Self Assessment deadline is 31 January (online filing) for the previous tax year. Miss it and HMRC apply an automatic £100 penalty. Beyond that: £10 per day from 3 months late (capped at £900), 5% of tax due at 6 months late, and another 5% at 12 months late, under Schedule 55 of the Taxes Management Act 1970. If you have a genuine reason (serious illness, bereavement, technical issue with HMRC's systems) you can appeal with evidence; HMRC accepts reasonable excuse appeals in most genuine cases.
    Do I need an accountant or can I file Self Assessment myself?+
    Legally you can file Self Assessment yourself via gov.uk for free, most simple sole-trader returns (single income source, basic expenses) are realistic to self-file. An accountant adds real value when: your trading profit is above £40,000 (extraction-strategy decisions matter), you have multiple income streams (PAYE + self-employment + property + dividends), you've crossed the £90,000 VAT threshold, you're considering incorporation, or you have an HMRC enquiry. Expect to pay £400-£1,500/year for a typical sole-trader accountant; the cost is itself a deductible expense.
    How do payments on account work?+
    When your Self Assessment tax bill exceeds £1,000 for the first time, HMRC requires payments on account toward NEXT year's tax. Half the current bill is due 31 January (alongside the current bill); the other half is due 31 July. So your first January after crossing the threshold can hit with a double-bill: last year's balance + first payment on account. Adjust via Form SA303 if you expect next year's income to drop substantially. Payments on account don't apply if more than 80% of your tax is collected via PAYE.
    Does IHT spouse exemption end on date of separation or date of decree absolute?+
    Date of decree absolute / final order. Separation alone does not terminate spouse exemption. Decree nisi alone does not terminate either — only final order / decree absolute.
    What is the LTR test?+
    Long-Term Resident — replaced UK domicile from 6 April 2025 as the basis for IHT scope. An individual UK-resident for 10 of the previous 20 tax years is an LTR; worldwide IHT scope. Non-LTRs face UK-situs IHT only.
    Does the April 2026 BR/APR cap apply to all family businesses?+
    Yes — £1m statutory cap per individual at 100% rate, with 50% above. Applies regardless of trading sector. Effective family-business ceiling combining first-death transfers + RNRB + NRB is approximately £2.5m on second death.
    Are financial-remedy court-order transfers taxable IHT gifts?+
    Generally no — they are treated as transfers for consideration (the recipient gives up other claims). HMRC accepts financial-remedy-order transfers as non-gratuitous. Documented court order is key evidence.

    Free + regulated-body resources

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