Choosing the right savings account depends mostly on how soon you might need access to the money — instant access accounts offer flexibility but usually lower rates, while accounts that lock money away for longer periods tend to pay more in exchange for that commitment.
The main account types
Easy access accounts let you withdraw at any time, with rates that can vary. Notice accounts require you to give advance notice (commonly 30 to 120 days) before withdrawing, usually for a better rate than easy access. Fixed-rate bonds lock your money away for a set term at a guaranteed rate — good for money you're confident you won't need early, since early withdrawal is often not allowed or comes with a penalty.
ISAs and tax-free saving
A Cash ISA lets you save without paying tax on the interest, up to the annual ISA allowance set by the government (which covers your total ISA contributions across all types in a tax year, not just cash). Whether an ISA actually benefits you depends on your total savings and your Personal Savings Allowance — for many people with modest savings, this may matter less than it once did, but it's still worth checking your own position.
The Personal Savings Allowance
Basic rate taxpayers can currently earn a set amount of savings interest each tax year without paying tax on it, with a smaller allowance for higher rate taxpayers and none for additional rate taxpayers. Interest above your allowance is taxable — HMRC often collects this automatically via your tax code rather than requiring a separate payment, but it's worth checking current thresholds on gov.uk since they can change.
Matching the account to the goal
An emergency fund is generally best kept in an easy access account so it's available when actually needed, even if the rate is lower. Money you're saving for a longer-term goal, and won't need for a year or more, is often better suited to a fixed-rate account or ISA where you can lock in a higher rate.