Premium Bonds from NS&I: rate, odds and limits in 2026

What are Premium Bonds and how do they work?

Premium Bonds are a savings product issued by the government body NS&I (National Savings and Investments). The bonds pay no interest: instead, there is a monthly prize draw for tax-free prizes. MoneyHelper confirms that your money is fully backed by the government and that prizes are free from UK Income Tax and Capital Gains Tax.

What is the prize fund rate and the odds?

According to NS&I, the annual prize fund rate is 4.35% (variable) and applies from the September prize draw. The odds of each 1 pound Bond winning in the monthly draw are 21,000 to 1 (also variable, from the September draw). Every pound buys one Bond number, and each number has an equal chance, so holding more Bonds gives you more chances.

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How much can you invest and what are the prizes?

• minimum purchase — 25 pounds;
• maximum holding — 50,000 pounds;
• prizes — from 25 pounds up to 1 million pounds, all tax-free.

A Bond must be held for a full calendar month before it enters a draw: for example, Bonds bought in November go into the January draw.

How does the draw work?

Winning numbers are generated by ERNIE, NS&I's random number generator. ERNIE 5, introduced in 2019, uses quantum technology and light, and produces enough numbers for a monthly draw in around 20 minutes. NS&I stresses that every Bond number — whether it has 8, 9, 10 or 11 digits — has a separate and equal chance of winning. Two jackpot winners are visited in person each month by "Agent Million".

Who can buy them and how do you get your money back?

Anyone aged 16 or over with a UK bank account can buy Bonds; parents or guardians can buy them for a child under 16. You can buy online or by phone with a debit card, by post with a cheque, by bank transfer or by switching from another NS&I account. You can cash in your Bonds at any time without penalty, and the money usually reaches your account within three banking days.

What are the drawbacks?

MoneyHelper is candid about the downsides: there is no regular income, most holders earn only a small percentage of what they put in, and returns are unlikely to beat inflation unless you win a larger prize. Premium Bonds may not suit you if you want guaranteed returns. ONLYWAY NEWS notes that this is a reference guide, not investment advice.