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. All Isa accounts accept transfers from other providers.
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| Instant access Cash Isas Tax-efficient savings account that allow you access to your money whenever you need it. All these accounts accept transfers. | |||||||
|---|---|---|---|---|---|---|---|
| Product | Which? recommendation | Type of access | AER £1 to £2,999 | AER £3,000 to £5,999 | AER over £18,000 | Initial deposit | Customer score |
| Average | 1.67% | 1.72% | 1.76% | 53% | |||
Intelligent Finance
| No | Internet, telephone | 2.50% | 2.50% | 2.50% | £1 | 56% |
Harpenden BS
| No | Branch, postal | 2.25% | 2.25% | 2.25% | £1 | n/a |
Leek United BS  | No | Branch, postal | 2.00% | 2.00% | 2.00% | £1 | n/a |
- For more information on cash Isas, call our Money Helpline for guidance from our trained advisers
- For an alternative to Isas take a look at our guide to finding the best savings account
- Or take a look at our guide to stocks and shares Isas
