£20,000.00 other income, £1,500.00 interest
£1,000.00 by the £1,000.00 Personal Savings Allowance (basic rate), leaving £500.00 taxed. Tax: £100.00 in 2026/27 and £110.00 from 6 April 2027 (£10.00 more).
Money · Tax on savings interest
Tax on savings interest depends on your other income: basic-rate taxpayers get £1,000 of interest tax-free, higher-rate taxpayers £500 and additional-rate taxpayers nothing, and from 6 April 2027 the savings rates rise to 22%, 42% and 47% (GOV.UK).
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Enter the interest you expect for the tax year from accounts outside ISAs, and your other taxable income before tax (wages, pensions, self-employed profit, rent). Leave out dividends. Joint account: HMRC splits the interest equally, so enter your half.
Personal Savings Allowance: £1,000.00 (basic rate taxpayer). Tax on savings: £100.00 in 2026/27 and £110.00 in 2027/28.
| Step | 2026/27 | 2027/28 (from 6 April 2027) |
|---|---|---|
| Personal Allowance left for interest | £0.00 | £0.00 |
| Starting rate for savings used (0%) | £0.00 | £0.00 |
| Personal Savings Allowance used | £1,000.00 | £1,000.00 |
| Interest taxed at basic rate | £500.00 | £500.00 |
| Interest taxed at higher rate | £0.00 | £0.00 |
| Interest taxed at additional rate | £0.00 | £0.00 |
| Tax on savings interest | £100.00 | £110.00 |
| Change from 6 April 2027 | – | £10.00 |
Uses the UK rate bands on GOV.UK (savings rates are the same across the UK). 2027/28 uses the 2026/27 Personal Allowance and bands, which GOV.UK has not yet published for 2027/28. Rounded to the penny; HMRC’s own calculation is what you pay.
Worked answers
Each button loads the amounts into the calculator above.
£1,000.00 by the £1,000.00 Personal Savings Allowance (basic rate), leaving £500.00 taxed. Tax: £100.00 in 2026/27 and £110.00 from 6 April 2027 (£10.00 more).
£500.00 by the £500.00 Personal Savings Allowance (higher rate), leaving £2,500.00 taxed. Tax: £1,000.00 in 2026/27 and £1,050.00 from 6 April 2027 (£50.00 more).
£2,570.00 is covered by unused Personal Allowance, £3,430.00 by the starting rate for savings, so none is taxed. Tax: £0.00 in 2026/27 and £0.00 from 6 April 2027.
GOV.UK rules
| Band | Taxable income | Personal Savings Allowance |
|---|---|---|
| Personal Allowance | Up to £12,570 | – |
| Basic rate | £12,571 to £50,270 | £1,000 |
| Higher rate | £50,271 to £125,140 | £500 |
| Additional rate | Over £125,140 | £0 |
Interest in ISAs is not taxed and doesn’t use these allowances. HMRC adds up interest from all your accounts, and splits joint-account interest equally. GOV.UK: How much is tax free; GOV.UK: Income Tax rates.
Budget 2025 changes
HMRC: “The tax rates for savings income will increase from April 2027… These rates apply across the UK.” The starting rate for savings and the Personal Savings Allowance remain unchanged.
| Band | 2026/27 | 2027/28 |
|---|---|---|
| Savings basic rate | 20% | 22% |
| Savings higher rate | 40% | 42% |
| Savings additional rate | 45% | 47% |
| Starting rate for savings | 0% on up to £5,000 | Unchanged |
| Personal Savings Allowance | £1,000 / £500 / £0 | Unchanged |
HMRC: Income Tax changes to tax rates for property, savings and dividend income; HMRC: Tax-free savings newsletter 19.
Before you rely on it
The Budget is on 28 October 2026. If it changes the savings rates, the allowances, the 2027/28 bands or the cash ISA limit, this page is updated that day from GOV.UK’s Budget documents. Until then, the 2027/28 column uses the rules HMRC published after Budget 2025.
Related
Born on or before 27 June 1960? Check whether you get £100 to £300 this winter and whether HMRC takes it back above £35,000.
Helpful answers
It depends on your other income. Basic rate taxpayers get a £1,000 Personal Savings Allowance, higher rate £500 and additional rate £0. If your other income is under £17,570 you may also get up to £5,000 at the 0% starting rate, plus any unused Personal Allowance.
From 6 April 2027 (the 2027/28 tax year) savings interest above your allowances is taxed at 22% (basic), 42% (higher) and 47% (additional), up from 20%, 40% and 45%. The rates apply across the UK.
No. HMRC says the starting rate for savings and the Personal Savings Allowance remain unchanged from 6 April 2027.
£12,000 a year for people under 65, within the overall £20,000 ISA limit. If you are 65 or over, you can still put up to £20,000 a year into a cash ISA.
£100.00 in 2026/27 and £110.00 from 6 April 2027: the first £1,000.00 is covered by the Personal Savings Allowance and the rest is taxed at the basic savings rate.
Sources, opened 22 October 2026: GOV.UK, Income Tax rates and Personal Allowances; GOV.UK, Tax on savings interest: how much is tax free; HMRC, Income Tax: changes to tax rates for property, savings and dividend income; HMRC, Tax-free savings newsletter 19, November 2025; HMRC, Cash ISA limit reduction. Contains public sector information licensed under the Open Government Licence v3.0. An estimate, not tax advice.