Best Rate cash Isas Best for consistency

These accounts have had the most consistent rates over the past three years. If accounts pay a bonus, they will only be included if the rates have been competitive after the bonus period has ended. All providers are fully covered by the FSCS. Accounts must be available across the UK - see limits of protection.  All Isa accounts accept transfers from other providers.
Instant access Cash Isas
Tax-efficient savings account that allow you access to your money whenever you need it. All these accounts accept transfers.
ProductWhich? recommendationType of accessAER £1 to £2,999AER £3,000 to £5,999AER over £18,000Initial depositCustomer score
Average1.42%1.42%1.44% 55%

NatWest
e-Isa

NoInternet1.75%1.75%2.00%£148%

Leek United BS
Instant Access Cash Isa

NoBranch, Postal1.50%1.50%1.50%£10n/a

Newbury BS
Instant Access Cash Isa

NoBranch, Postal1.50%1.50%1.50%£50n/a

Scottish Widows Bank
E-cash Isa

NoInternet1.30%1.30%1.30%£1048%

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Which? works for you