The R40 is HMRC's form for reclaiming overpaid tax on savings interest, dividends, and other investment income. Most commonly used by non-taxpayers (pensioners, students, low earners) who had tax wrongly deducted from their savings interest before the 2016 reform - and still by anyone who had tax withheld at source from gilts, life insurance bond gains, or PPI compensation interest. This guide covers the 2026/27 process.
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When you need an R40
You should consider filing an R40 if:
- You're a non-taxpayer (your total income is under £12,570/year) and tax was withheld from savings interest, dividends, or gilts.
- You received a PPI compensation award with statutory interest, and the bank deducted tax at 20% from the interest portion.
- You bought deeply discounted securities (DDS) like UK government gilts that paid interest with tax withheld.
- You held qualifying corporate bonds with tax deducted.
- You received life insurance bond chargeable event gains with notional tax credit.
- You had non-cash chargeable events from offshore life policies.
Most modern UK bank interest is paid gross (without tax deducted) since 2016, so the R40 is needed less often than it was - but PPI compensation and DDS still routinely trigger withheld tax that needs reclaiming.
When you do NOT need an R40
- You're already filing Self Assessment - the savings/dividend reclaim goes on your SA return.
- Your refund is for PAYE overpayment - that's the Personal Tax Account route or P87.
- Your refund is for Self Assessment overpayment - that's the SA refund route.
- You only have modern bank/building society interest paid gross (no tax to reclaim).
How much can you reclaim
Your Personal Savings Allowance (PSA) in 2026/27:
| Tax band | PSA |
|---|---|
| Basic-rate (20%) | £1,000 |
| Higher-rate (40%) | £500 |
| Additional-rate (45%) | £0 |
Plus the Starting Rate for Savings: an extra £5,000 of savings interest at 0% IF your other income is below £17,570 (the £12,570 PA + £5,000 starting rate).
Plus the Dividend Allowance of £500 in 2026/27 (down from £1,000 in 2025/26).
If tax was withheld from interest/dividends but your income falls within these allowances, you reclaim the full withheld amount.
What you need before you start
- All your interest certificates / dividend statements for the tax year you're reclaiming.
- PPI compensation letter if relevant (showing tax deducted on the interest portion).
- Your NI number + UTR (if you have one).
- Your bank details for the refund.
- Records of any other income for the year (employment, pension, self-employment) - needed to verify your tax position.
Filing the R40 - three routes
Route 1 - Online via your Personal Tax Account
The fastest route. Sign in to gov.uk/personal-tax-account:
- Go to "Claim a refund of tax" or "Income from savings or investments".
- Enter the tax year you're claiming for.
- Enter the type of income (savings interest, dividends, PPI interest, etc.).
- Enter the gross amount + tax withheld + provider name.
- Confirm your bank details for the refund.
- Submit.
HMRC validates against the data the bank/insurer reported via their statutory annual return. 5-10 working days for most online R40 refunds.
Route 2 - Paper R40 form
For complex situations (multiple sources, prior-year claims, PPI compensation older than 4 years):
- Download the R40 from gov.uk/government/publications/income-tax-claim-for-repayment-r40.
- Complete it - separate sections for employment income, pension income, savings interest, dividends, gilts, PPI compensation, etc.
- Attach supporting documents (interest certificates, PPI letter, dividend vouchers).
- Post to: PAYE & Self Assessment, HMRC, BX9 1AS.
- Allow 8-12 weeks for paper R40 processing.
Route 3 - Phone HMRC
For quick, straightforward queries: 0300 200 3300. HMRC can sometimes process small reclaims directly on the call without a formal R40.
Time limits
You can reclaim tax going back 4 tax years. So in 2026/27 you can claim back to 2022/23.
For PPI compensation that was paid more than 4 years ago, special rules sometimes apply - check with HMRC.
Common R40 situations
PPI compensation
PPI awards often had two components: the refund (no tax) + statutory interest at 8% (taxed at 20% by the bank). Most PPI claimants are within their PSA and can reclaim the withheld tax.
Worked example: PPI award of £3,000 + £400 statutory interest. Bank deducted £80 tax (20% of £400). If you're a non-taxpayer or basic-rate within your PSA, reclaim the full £80.
DDS / Gilts
Older UK government gilts paid interest with 20% tax withheld. Modern gilts are paid gross by default. If you held an older gilt and it paid taxed interest, reclaim via R40.
Pensioner reclaim
A common scenario: pensioner with State Pension £11,500/year + savings interest £2,000 with £400 tax deducted (older bank). Total income £13,500 vs. PA £12,570 = £930 taxable. The £400 deduction overshoots - reclaim around £214 via R40.
Student / low-earner reclaim
Students earning under £12,570/year who had tax withheld from savings or dividend income - reclaim via R40.
What HMRC checks
HMRC cross-references your R40 against:
- Bank/building society annual interest reports (filed by them under SAGS rules).
- Pension provider notifications.
- Any other PAYE / Self Assessment filings for you.
If your declared income on the R40 differs materially from HMRC's records, expect an enquiry. Provide supporting evidence (P60, pension statements, bank certificates).
Refund processing
After R40 acceptance:
- Online R40: 5-10 working days for bank transfer; 4-6 weeks for postal cheque.
- Paper R40: typically 8-12 weeks total.
- Disputed cases: 12-20 weeks.
R40 vs Self Assessment - which to use
| You should use | When |
|---|---|
| R40 | You don't normally file SA, and you only need to reclaim tax on investment income |
| Self Assessment | You already file SA, OR you have other complex income (self-employment, rental, foreign income) |
Don't file both for the same tax year - pick one.
When to talk to an accountant
For routine R40 reclaims (PPI, simple savings interest), DIY is straightforward and free. An accountant earns their fee when:
- You have multi-year R40 claims going back 4 years.
- You have mixed reclaims (PPI + savings + dividends) needing careful sequencing.
- HMRC has rejected a previous R40 and you need to appeal.
- You have chargeable event gains from life insurance bonds requiring top-slicing relief.
Disclaimer
PayslipIQ provides automated educational guidance based on the figures you supply. It is not regulated tax advice. R40 calculations interact with the Personal Allowance, PSA, Dividend Allowance, Starting Rate for Savings, and the Marriage Allowance in complex ways. For substantial reclaims or contested cases, contact HMRC on 0300 200 3300 or use a CTA-qualified tax adviser.
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Check My Payslip FreePayslipIQ provides educational information and estimated calculations only. It does not provide tax, legal, financial, payroll, accounting, pension, benefits or employment advice. Always verify your payslip, tax code, deductions and take-home pay with your employer's payroll department, HMRC, your pension provider, a qualified accountant, tax adviser or another appropriately qualified professional.
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