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Saving4 minutes24 September 2026

What Are Premium Bonds and Are They Worth Using

Over twenty-two million people in the UK hold Premium Bonds, but many do not fully understand how the prize fund works or whether they are getting a competitive return. Here is a clear explanation.

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General information only. This article is for general information and educational purposes. It does not constitute financial, debt, benefits, tax, legal, or regulated advice. Information may change — always verify with official sources or a qualified adviser before acting.

Premium Bonds are a savings product offered by NS&I, the government-backed savings bank. Instead of paying interest like a conventional savings account, Premium Bonds enter your money into a monthly prize draw. Prizes range from twenty-five pounds to one million pounds, and all prizes are tax-free. You can hold between twenty-five pounds and fifty thousand pounds in Premium Bonds, and your money is fully protected by the government, meaning there is no risk of losing the capital you put in.

How the prize rate works

NS&I sets an annual prize fund rate, which is the percentage of the total money held in Premium Bonds that is paid out in prizes each year. This rate changes periodically and is currently around four per cent, though this figure represents the effective return if all prizes were distributed equally — which they are not. The majority of prizes are twenty-five pounds. The higher prizes are won by relatively few people. Your actual return in any given year depends entirely on whether your bonds are drawn, which is random. You might earn well above the prize fund rate in one year and nothing in another.

The realistic expected return for most holders

For holders with smaller amounts — under five thousand pounds — the probability of winning any prize in a given month is reasonably low. With one thousand pounds held, you might expect to win a prize roughly every three to four months on average at current odds. This means that in a year where luck runs average or below, the effective return can be noticeably lower than the headline prize fund rate suggests. Holders with the maximum fifty thousand pounds win prizes more frequently simply because they have more entries, and their actual returns tend to cluster closer to the fund rate.

Who Premium Bonds suit best

Premium Bonds work well for higher-rate or additional-rate taxpayers who would pay tax on savings interest, since Premium Bond prizes are entirely tax-free and do not count toward the Personal Savings Allowance. They also work well for people who have already used their ISA allowance and want a safe, liquid home for additional savings with some potential upside. They are less competitive for basic-rate taxpayers with modest savings who have not used their ISA allowance, since a Cash ISA at a good rate will often produce a more reliable and comparable return.

Keeping them in perspective

Premium Bonds are a legitimate savings vehicle backed by the government, and the lottery element makes them more engaging than a standard savings account for many people. They are not the highest-return option for most savers, and relying on them as your primary savings vehicle — particularly if you are chasing higher returns to meet a specific goal — is not the most efficient approach. Used alongside other savings accounts as part of a broader strategy, with a realistic understanding of how the prize draw works, they are a perfectly reasonable place to keep a portion of accessible savings.

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Ask Fin provides general guidance only, not regulated financial advice. Premium Bond prize rates change regularly and actual returns depend on prize draw outcomes. Always compare current rates before deciding where to save.

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