New Issues of NS&I’s 1, 2, 3 and 5-year fixed-term British Savings Bonds (Guaranteed Growth (GGB), and Guaranteed Income Bonds (GIB) have gone on sale today with increased interest rates for both new and maturing customers. NS&I has also increased the interest rate on its Investment Account.
British Savings Bonds are fixed-term Issues of NS&I’s Guaranteed Growth Bonds and Guaranteed Income Bonds. They are available to new customers, and those with existing Bonds which are due to mature.
Today’s rate increases reflect changes in the wider market and will help NS&I to meet its Net Financing target while continuing to balance the interests of savers, taxpayers and the broader financial services sector.
The new interest rate on the 1-year Growth option is 4.50% gross/AER, and the Income option is 4.41% gross/4.50% AER.
The new interest rate on the 2-year Growth option is 4.48% gross/AER, and the Income option is 4.40% gross/4.48% AER.
The new interest rate on the 3-year Growth option is 4.45% gross/AER, and the Income option is 4.37% gross/4.45% AER.
The new interest rate on the 5-year Growth option is 4.40% gross/AER, and the Income option is 4.32% gross/4.40% AER.
British Savings Bonds (GGB and GIB) are available to customers wanting a guaranteed interest rate for a fixed-term of 1, 2, 3 or 5 years. Funds cannot be withdrawn early with fixed-term accounts. Savers will need a minimum investment of £500 and can invest a maximum of £1 million per person in each Issue. After the fixed-term period, savers will have the choice to withdraw their cash or reinvest into a new term.
| Product | Previous interest rate (from 6 January 2026) | New interest rate from 28 April 2026 (on general sale) |
| Guaranteed Growth Bonds 1-year (Issue 89) | 4.07% gross/AER | 4.50% gross/AER |
| Guaranteed Income Bonds 1-year (Issue 89) | 4.00% gross/4.07% AER | 4.41% gross/4.50% AER |
| Guaranteed Growth Bonds 2-year (Issue 77) | 3.98% gross/AER | 4.48% gross/AER |
| Guaranteed Income Bonds 2-year (Issue 77) | 3.91% gross/3.98% AER | 4.40% gross/4.48% AER |
| Guaranteed Growth Bonds 3-year (Issue 79) | 4.02% gross/AER | 4.45% gross/AER |
| Guaranteed Income Bonds 3-year (Issue 79) | 3.95% gross/4.02% AER | 4.37% gross/4.45% AER |
| Guaranteed Growth Bonds 5-year (Issue 71) | 4.05% gross/AER | 4.40% gross/AER |
| Guaranteed Income Bonds 5-year (Issue 71) | 3.98% gross/4.05% AER | 4.32% gross/4.40% AER |
In addition, the interest rate for NS&I’s postal only Investment Account also increases from today:
| Product | Previous interest rate (from 18 August 2023) | New interest rate from 28 April 2026 (on general sale) |
| Investment Account | 1.00% gross/AER | 2.05% gross/AER |















