Should you fix your cash ISA rate?

Jess Bown
Piggy bank
Piggy bank

ISAs, like all other savings accounts, are offering fairly meagre returns at the moment, with the best easy-access account on the market paying 3.10% on £1,000 or more.

You could earn 4.20% if you are prepared to lock your savings away for five years. But is it worth it in the long run? We investigate.