The dividend allowance is one of the UK's most valuable tax allowances, providing up to £500 of tax-free dividend income per year. But it has been cut dramatically from its original £5,000 level, and if you hold dividend-paying investments in a General Investment Account rather than an ISA, the allowance reduction means you may now owe tax on dividends that were previously tax-free. Understanding how dividend tax works and whether your investments should be held in ISAs or General Investment Accounts is essential for investment tax planning. Our ISA types guide covers the different ISA options.
How the Dividend Allowance Has Changed
The dividend allowance was introduced in 2016 at £5,000 per year, providing significant tax relief for investors with modest portfolios. It has been progressively reduced over subsequent Budgets: to £2,000 in 2018-19, to £1,000 in 2023-24, and to £500 in 2024-25, where it remains in 2026-27. The allowance is available to all UK residents regardless of the tax bracket they fall into. Above the allowance, dividends are taxed at the dividend rate for your income tax band: 10.75% for basic rate, 35.75% for higher rate, and 39.35% for additional rate in 2026-27 (the basic and higher rates rose by 2 percentage points in April 2026). The allowance is used against your dividend income before applying these rates.
When the Dividend Allowance Affects Your Tax Bill
If your dividends outside an ISA or pension stay under £500 a year, the allowance means you pay no dividend tax at all. Above £500, you pay tax on the excess at the rate for your band, unless it is covered by unused personal allowance. For a basic rate taxpayer with a £30,000 salary and £3,000 in annual dividends, the entire £3,000 dividend income falls within their basic rate band, and after the £500 allowance, £2,500 is taxed at 10.75%, a bill of about £269. Higher rate taxpayers face a more significant impact: a higher rate taxpayer with £10,000 in dividends would pay tax on £9,500 at 35.75%, a tax bill of around £3,400. This is where ISA sheltering becomes particularly valuable.
- Basic rate taxpayer with £3,000 dividends: pays about £269 in dividend tax
- Higher rate taxpayer with £10,000 dividends: pays ~£3,400 in dividend tax
- Additional rate taxpayer with £10,000 dividends: pays ~£3,700 in dividend tax
ISA vs General Investment Account: The Dividend Tax Decision
If you receive more than £500 in dividends per year from your investments, it is worth considering holding dividend-paying assets inside an ISA to shelter the income from tax entirely. In an ISA, all dividends, capital gains, and interest are completely tax-free, regardless of amount. If you invest £20,000 per year in an ISA and hold dividend-paying funds, the entire dividend income accumulates tax-free. The ISA allowance (£20,000 per year in 2026-27) means most investors can shelter their entire portfolio from dividend tax within a few years. The priority should be: fill your ISA allowance first for assets you plan to hold long-term, then consider a General Investment Account for additional investments beyond the ISA allowance. Our investing vs saving guide covers the broader decision.
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