UK Divorce Tax Calculator

Calculate the tax implications of divorce in the UK — CGT on property transfers (Finance Act 2023 3-year exempt window), income tax changes, and pension sharing tax treatment.

Updated April 2026 HMRC · CGT + Marriage Allowance Runs in your browser

Property Current Value

Original Purchase Price

Improvement Costs

Transfer Timing

Your Tax Rate

Capital Gains Tax Assessment

£0 CGT (Exempt)

Property Gain£190,000

CGT Annual Exempt Amount£3,000

Transfer Exempt?Yes — no CGT

Under Finance Act 2023 reforms, transfers between spouses are CGT-exempt until the end of the tax year of separation, plus an additional 3 years for assets that cannot easily be transferred.

Advanced Calculator

CGT liability timeline by transfer date, married vs post-divorce income tax comparison, and pension division options tax summary.

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Property Gain (Value − Cost − Improvements)

CGT Liability by Transfer Timing

Transfer Timing	CGT Due	Status	Savings
Same tax year as separation	£0	Exempt	£35,280 saved
Within 3 years of separation	£0	Exempt	£35,280 saved
After 3 years (basic rate)	£26,460	Taxable	-
After 3 years (higher rate)	£35,280	Taxable	-

The Finance Act 2023 extended the no-gain/no-loss window. For separations on or after 6 April 2023, transfers are exempt until the later of: (a) the end of the tax year of separation, or (b) 3 years after the date of separation. Assets subject to a formal divorce agreement have an unlimited window.

Professional Simulator

Full tax analysis combining CGT, income tax, and pension tax, what-if property value and timing scenarios, and lifetime tax impact projection.

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Property — Capital Gains Tax

Current Property Value

Purchase Price

Improvement Costs

Transfer Timing

Your Tax Rate

Income Tax Impact

Your Annual Income

Partner's Annual Income

Marriage Allowance Previously Claimed?

Pensions

Your Pension Value (CETV)

Partner's Pension Value (CETV)

Equalization Share %

Full Divorce Tax Assessment

£0 total tax cost

Property Gain£215,000

CGT (property transfer)£0 (exempt)

Marriage Allowance Lost-£0/yr

Pension Share Value£130,000

Pension Transfer CGT£0 (pension transfers exempt)

Tax Implications of Divorce in the UK

Divorce involves several important tax considerations beyond the legal costs and maintenance calculations. The key areas are: Capital Gains Tax (CGT) on property transfers, income tax changes including the loss of Marriage Allowance, and pension tax implications of pension sharing orders. Getting these right can save thousands of pounds.

This calculator covers the tax side of divorce — if you are looking for the overall cost of the divorce process itself, see the UK Divorce Cost Calculator.

Capital Gains Tax on Divorce

Property transfers between spouses during a marriage are normally on a "no gain/no loss" basis — meaning no CGT is triggered. However, this exemption ends on separation. Following reforms in the Finance Act 2023 (effective from 6 April 2023), the rules are:

No-gain/no-loss window: Until end of tax year of separation (same as before) PLUS an additional 3 years after date of separation Extended unlimited window: Assets subject to a formal divorce/separation agreement have no time limit for the no-gain/no-loss treatment After the window closes: CGT applies at 18% (basic rate) or 24% (higher rate) Annual exempt amount: £3,000 (2025-26)

The practical advice is to complete all property transfers within 3 years of separation to avoid CGT. For couples still occupying the main home, the Private Residence Relief (PRR) also continues to apply during the period of occupation.

Income Tax Changes on Divorce

Divorce can affect income tax in several ways:

Marriage Allowance ends: The Marriage Allowance (£1,260 transferred from lower earner, saving the higher earner £252/yr) ends on divorce. HMRC should be notified.
Married Couple's Allowance (MCA): Available only if at least one spouse was born before 6 April 1935. Ends on divorce.
Two personal allowances: Each party retains their own Personal Allowance (£12,570 in 2025-26) as individuals.
Child Benefit and HICBC: The High Income Child Benefit Charge now applies only to the household of the claiming parent.

Frequently Asked Questions

Do I have to pay CGT when transferring the matrimonial home to my ex? ▼

Under Finance Act 2023 rules (for separations on or after 6 April 2023), you have until the end of the tax year of separation plus an additional 3 years to transfer the matrimonial home on a no-gain/no-loss basis — meaning no CGT is triggered. If the transfer is made as part of a formal divorce agreement, there is no time limit. If the transfer occurs after this window, CGT at 18% (basic rate) or 24% (higher rate) applies on the gain above the £3,000 annual exempt amount.

Is a pension sharing order subject to CGT? ▼

No. Pension transfers pursuant to a pension sharing order are entirely exempt from CGT. The pension benefits are transferred tax-deferred — the recipient pays income tax when they eventually draw the pension, just as they would on their own pension. However, the Annual Allowance and Lifetime Allowance (abolished April 2024, replaced by the lump sum allowance) implications should be considered for large pension values.

Does divorce affect my Personal Allowance? ▼

Your Personal Allowance of £12,570 (2025-26) is not affected by divorce — you retain it as an individual. However, you lose the Marriage Allowance (where one spouse transferred £1,260 of their unused personal allowance to the other), saving the higher-earner £252/year. If you receive spousal maintenance, this is taxable income for you and deductible by the payer (unlike child maintenance which is tax-neutral).

Is spousal maintenance taxable? ▼

Yes. Spousal maintenance (periodical payments between ex-spouses) is taxable income for the recipient and tax-deductible for the payer under ITTOIA 2005. This is different from child maintenance, which has no tax effect for either party. The amount of maintenance received is added to the recipient's other income and taxed at their marginal rate. This is an important consideration when negotiating spousal maintenance levels — a gross payment may be significantly reduced by tax.

What is a PODE report and do I need one? ▼

A PODE (Pension on Divorce Expert) is a specialist actuary or financial planner who assesses pension values and options in divorce proceedings. A PODE report is recommended when pensions are a significant part of the financial settlement — typically where pension values exceed £50,000–£100,000 combined. The report (typically £1,500–£3,000) calculates the true comparative value of different pension options, including the tax implications of pension sharing vs offsetting. Courts increasingly expect a PODE report in complex pension cases.

Official Sources & Legal References

When to Consult a UK Solicitor

UK divorce tax implications can be complex, especially for high-value property, shared pensions, and investment portfolios. Consult a qualified UK solicitor and a tax adviser if your case involves property gains above the annual exempt amount, significant pension assets, or transfers outside the CGT-exempt 3-year window. The Finance Act 2023 changes affect all separations from 6 April 2023 onwards.