Fixed rate ISAs lock a tax free interest rate for a set term, with FSCS protection to 85,000 pounds per bank. Unlike fixed bonds, ISA rules require access before maturity, at the price of an interest penalty typically between 90 and 365 days.
Withdrawing from a Lifetime ISA outside a first home purchase, age 60 or terminal illness triggers a 25% charge that claws back the bonus plus 6.25% of the saver's own money. From April 2028 the LISA is replaced by a first time buyer ISA.
Compare UK investment platform fees by account type: Vanguard, Hargreaves Lansdown, AJ Bell and interactive investor. Published charges only, as of June
The £20,000 ISA allowance is unchanged for 2026/27 but the savings landscape behind it is shifting. Best-buy fixed rate cash ISAs now pay up to 4.65%, with easy-access rates dipping. We explain what changed, the lifetime ISA rules, and how to use the allowance.
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