The society claims it offers one of the highest rates available on the market.
Rates for five-year guaranteed income bonds are also rising. Prosperity Financial Services is offering 8.41 per cent free of tax for investments above pounds 15,000.
Shorter-term bond rates remain lower. Over three years, Prosperity, the highest payer offers 6.62 per cent for investments above pounds 25,000.
For two-year investments, the rate drops to 5.73 per cent. Many of these rates are available via a commission- sharing deal with Baronworth Investment Services.Reuse content