Compare our best cash ISA rates

Rate drops to 3.45% after first 12 months. ISA & tax rules apply. A lower interest rate of 0.75% AER (variable) applies whenever your account balance is less than £500. It also applies for the rest of your current 12-month period from your fourth withdrawal. The number of withdrawals permitted will reset on the anniversary of the account opening date.

If more than 3 withdrawals are made in each 12 month period from account opening, the rate will drop to a lower rate from the date of the 4th withdrawal, for the remainder of that 12 month period.

Withdrawals and closure permitted subject to 180 days loss of interest.

Withdrawals and closure permitted subject to 180 days loss of interest penalty.

Withdrawals and closure permitted subject to 180 days loss of interest penalty.

Rate includes a Plum bonus of 1.41% AER (variable) if kept for 12 consecutive months and other conditions are met. After 12 months, the rate will be 3.04% AER (variable). Interest on our Cash ISA varies. This is the rate from 30/10/25. ISA rules and T&Cs apply. Plum is not a bank

Tax treatment depends on your personal circumstances and is subject to change

No notice, penalty, or charge applies.

Withdrawals and closure permitted subject to 90 days loss of interest on the amount withdrawn.

No withdrawals permitted during the term of the account. Closure permitted subject to 90 day interest penalty.

No withdrawals permitted before maturity. Early closure is permitted with the loss of 360 days interest.

Withdrawals and closure permitted subject to 90 days loss of interest penalty.

No notice, penalty, or charge applies.