Premium Bonds: are they actually worth it?
Premium Bonds are a British institution — around 22 million people hold them, drawn by the tax-free prizes, the monthly flutter, and the dream of that £1 million jackpot. But “are they worth it?” is a question most coverage dodges. So let’s do the honest maths, because the headline number is genuinely misleading.
This is information, not financial advice. It explains how Premium Bonds work so you can decide for yourself.
How they work
Premium Bonds are run by NS&I, which is backed by HM Treasury — so your money is as safe as it gets. Instead of paying interest, every £1 bond is entered into a monthly prize draw. You can hold from £25 up to a maximum of £50,000, and prizes run from £25 to £1 million, with two £1 million jackpots every month. All prizes are completely tax-free.
As of the July 2026 draw, the prize fund rate is 3.80%, and the odds of any single £1 bond winning a prize are 22,000 to 1 each month.
Why the “rate” isn’t your rate
Here’s the bit that matters, and that people miss. The 3.80% prize fund rate is an average across every bond in existence — the total prize money divided by everything held. It is not a rate you’re guaranteed to earn.
Because prizes are won by chance, the returns are wildly uneven. A handful of people win big and pull the average up; most win a little; and plenty win nothing at all in a given year — especially smaller holders. So the typical (median) return, particularly on a modest holding, is lower than 3.80%, and can be zero.
The more bonds you hold, the closer your luck gets to that average — someone with the full £50,000 will, over time, tend to earn something near the headline rate. Someone with £1,000 might realistically win a couple of £25 prizes a year, or none. Same “rate”, very different reality.
Who Premium Bonds genuinely suit
They can be a smart choice for specific people:
- Higher- and additional-rate taxpayers who’ve used their savings allowance. Because prizes are tax-free, bonds effectively pay a tax-free return — valuable if you’d otherwise be taxed on savings interest. The more tax you’d pay, the better they look.
- People with large holdings (near the £50,000 cap), whose results smooth towards the average rate.
- Anyone who values safety and the fun of it. Your capital is Treasury-backed and you can withdraw any time, with the monthly “will I win?” as a free bit of enjoyment.
- A place for money you won’t miss — the dream of a big win, with no risk to your capital.
Who’s usually better off elsewhere
- Basic-rate taxpayers under their savings allowance. If your interest is tax-free anyway (up to £1,000 a year for basic-rate payers), the tax-free advantage of bonds disappears — and a normal account paying a guaranteed rate will usually beat average Premium Bond luck.
- Anyone relying on the return. If you need your savings to grow predictably — for a goal, or because every pound counts — a fixed or easy-access rate you can count on beats a lottery.
- Small holders chasing the headline rate. With a few hundred or few thousand pounds, the odds mean you may well earn less than the advertised rate, or nothing.
The honest verdict
Premium Bonds are not a scam and not a slam-dunk — they’re a tax-free flutter on a safe pot of money. They shine for higher-rate taxpayers with large holdings who’ve exhausted their tax-free savings options, and for anyone who enjoys the game and won’t miss the money. For most basic-rate savers with a modest amount, a straightforward savings account or cash ISA paying a guaranteed rate will, on average, leave you better off — with no luck required.
Decide which camp you’re in, and treat any win as a bonus rather than a plan.
Last checked 30 July 2026. The prize fund rate (3.80%) and odds (22,000 to 1) are set by NS&I and change periodically — check the current figures before deciding.
Sources
Just so you know: this guide is information and journalism, not financial advice, and we don't recommend specific financial products. Your circumstances are your own — if you need personal advice, speak to a suitably qualified adviser. Information was correct at the "last updated" date above but things change; always check the linked primary sources.