Latest News About New ISA cash tax rule set for 2027

The UK tax authority HMRC will apply a new charge when the rule starts in April 2027. Cash sitting inside stocks and shares ISAs will be subject to a 22% tax on any interest earned. The measure targets savers who keep cash in these tax‑free wrappers. It seeks to stop the practice of using ISAs to protect interest without market risk. Existing cash balances will be subject to the charge from the start date. The change will impact new and existing accounts alike.

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