National Savings and Investments (NS&I) has relaunched its Green Savings Bonds and is offering savers a higher interest rate. The new rate has risen to 3.82% AER from its previous offer of 2.95% AER. The latest issue, which marks the eighth of the project, requires funds to be set aside for 3 years, with no access during that period.
The Bonds, first introduced in 2021, allow savers to support Government initiatives. Funds are allocated through the UK Government Green Financing Framework, which supports various environmental projects. Since November 2025, it has also included nuclear energy initiatives.
The bonds operate alongside gilts as part of wider Government funding efforts and sit outside NS&I’s annual net financing target set by the Treasury.
Applicants must be aged 16 or over, and invest a minimum of £100, with a maximum of £100,000 per person per issue. Those who put money away cannot withdraw it before the end of the three‑year term.
All NS&I products are backed by the Treasury, meaning deposits are fully guaranteed.
Rachel Springall, finance expert at Moneyfactscompare.co.uk, said: “This latest offering from NS&I will likely be an enticing choice for savers who are content to lock their cash away for three years.
“However, the rate can be beaten by alternative brands, as many of the top rate deals pay 4.50% or more.”
She said the product may appeal to those prioritising security over higher returns, pointing to a three‑year fixed deal from Tandem Bank offering an AER of 4.56%, reports GB News.
Castle Trust Bank and Gatehouse Bank were also noted as providers offering higher rates.
NS&I currently serves more than 24 million customers across its savings and investment products, with the Treasury‑backed guarantee remaining a key attraction for cautious savers.
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