CoverMapKey takeaway: The "best" savings account depends on whether you want easy access to your money or are happy to lock it away for a better rate — there's rarely one account that wins on both.
UK savings rates move often, sometimes weekly, as providers compete for deposits. As of September 2026, top easy-access cash ISAs are paying around 4.75% AER, while fixed-rate ISAs pay more the longer you lock money away — up to 5.25% on 5-year fixes.
What to check beyond the headline rate
- Bonus rates — some easy-access accounts include a temporary bonus that drops off after a set period; check the rate you'll actually get long-term.
- Withdrawal limits — some "easy access" accounts limit penalty-free withdrawals per year.
- FSCS protection — UK savings up to £85,000 per person, per banking licence are protected; check whether accounts at different-sounding brands actually share one licence.