In March 2026 HMRC announced a change that affects how much income some savers can receive tax-free. The headline is a new threshold: a tax-free personal allowance of £18,570 for eligible individuals under a specified savings rule.
What the HMRC announcement means for you
The announcement raises the effective tax-free amount for certain savings income to £18,570. This applies only where the conditions of the savings rule are met, not to all forms of income.
Key outcomes are clearer thresholds for tax on interest, simpler personal record checks, and a potential reduction in tax paid for eligible savers.
Which incomes are affected by the savings rule
The savings rule primarily applies to interest and similar returns on cash-type savings. It does not usually change tax treatment of wages, pensions, dividends, or rental income.
Examples of affected income include bank interest, building society interest, and some government bond interest when the savings rule conditions apply.
Under the savings rule, some people can receive a larger portion of their interest income tax-free without changing their main personal allowance for wages or pensions.
Who is likely to benefit from the £18,570 allowance boost?
Those most likely to benefit are individuals with modest incomes from jobs or pensions combined with savings interest. The change is aimed at reducing the tax burden on savers where the savings rule applies.
People with low or zero earned income but meaningful interest income may see the biggest relative gain.
Eligibility checklist
- You must meet the specific conditions of the savings rule as set by HMRC.
- Your interest must be identifiable as savings income under HMRC definitions.
- Your combined taxable income should fall within the bands where the savings rule applies.
How the new allowance interacts with the standard personal allowance
The standard personal allowance and the boosted amount under the savings rule operate differently. The standard personal allowance applies to overall taxable income, while the savings rule targets savings interest specifically.
In practice, this means you might still have a standard personal allowance for wages or pensions, but a larger tax-free amount for interest income where the savings rule applies.
Simple example to illustrate
Consider a retiree receiving a small pension and interest from savings. The savings rule can allow more of that interest to be tax-free up to the boosted £18,570 threshold, reducing tax bills on total income.
Steps to check your eligibility and claim the relief
Follow these steps to see whether the new £18,570 threshold benefits you and how to claim it.
- Review your income sources for the tax year: list wages, pensions, and savings interest separately.
- Compare your savings interest to the new boosted threshold and the conditions HMRC provides for the savings rule.
- Use HMRC online tools or contact HMRC to confirm how the rule applies to your situation.
- If necessary, update your tax code or submit a self-assessment return to reflect the change.
Documents you may need
- Bank statements showing interest payments for the tax year.
- P60s or pension statements if you receive pensions or wages.
- Any HMRC correspondence about your tax code or previous savings allowances.
Practical tips to avoid common mistakes
Changes in reliefs can create confusion. Here are practical steps to reduce errors and avoid overpaying tax.
- Check your tax code after HMRC updates. An incorrect code can lead to wrong withholding of tax.
- Keep records of interest and bank forms showing tax paid at source.
- If you receive interest from multiple accounts, consolidate information before contacting HMRC.
- Seek advice from a tax adviser if your situation is complex, for example if you have income from multiple sources or live abroad.
Small real-world case study
Case: Jane is a retired teacher with an annual pension of £8,000 and savings interest of £6,500. Before March 2026, her interest was partially taxable after the standard allowances and savings rules were applied.
After the HMRC announcement, Jane checked eligibility and found more of her interest qualified under the boosted savings rule. She updated her tax position and reduced annual tax on interest by several hundred pounds.
This example shows how modest changes can affect net income for retirees and low earners with savings.
What to do next
If you think you may benefit, start by gathering documents and checking your HMRC online account. Use HMRC guidance pages and calculators where available.
Contact HMRC or a qualified tax adviser if you need help interpreting the savings rule or updating tax codes.
When to contact HMRC
- If your tax code does not reflect the new rules after March 2026.
- If you receive interest from several sources and need help pooling amounts.
- If you believe you have overpaid tax in previous years due to the old thresholds.
HMRC’s announcement of the £18,570 tax-free personal allowance boost under the savings rule in March 2026 can provide real relief for eligible savers. By checking eligibility early and keeping clear records, many people can reduce their tax liabilities with minimal hassle.