The new accounts can be opened with a minimum investment of GBP1. Customers can earn 6.10% AER fixed for three years, 5.70% AER fixed for two years and 5.60% AER fixed for one year.

Karen Wint, head of marketing & PR, said: These products offer a high fixed interest rate combined with access to funds. All three versions are straightforward accounts with no short-term headline bonus rates, other catches or requirements to open linked accounts.

The low minimum investment makes these accounts attractive. Customers can also transfer their existing individual savings account (ISA) balances plus any interest and benefit from the excellent features. Tax-exempt special savings account (TESSA) only ISA customers can invest up to £9,000 in capital, plus interest already earned.