Our top five ISAs

Charter Savings Bank: easy access ISA 1; gross rate: 1.06%; minimum investment: £1000.

Virgin Money: defined access e-ISA 13; gross rate: 1.05%; minimum investment: £1.

Post Office Money: online ISA easy access 10; gross rate: 1.01%; minimum investment: £100.

AA: AA ISA easy access 11; gross rate: 1.01%; minimum investment: £100.

Tesco Bank: instant access cash ISA; gross rate: 0.97%; minimum investment: £1.

Source: moneyfacts.co.uk (all rates subject to change)