Treasury confirms 22% stocks and shares ISA cash interest charge

Part of cash ISA reforms published today

Sophia Panayi
clock • 3 min read

The Treasury has confirmed a 22% levy on cash interest in stocks and shares ISAs.

Forming part of draft rules for cash ISAs published today (23 June), the new rule will be subject to consultation. The changes see a flat rate charge on any interest or alternative finance return paid on cash held within a non-cash ISA. Additionally, the rules state non-cash ISA portfolios made up of 100% cash-like assets will be non-qualifying investments. Transfers from non-cash ISAs into cash ISAs will not be permitted. It will remain possible to transfer from a cash ISA to a non-cash ISA. This follows reports from The Telegraph of the tax last month. Regulations will be l...

To continue reading this article...

Join Professional Adviser for free

  • Unlimited access to real-time news, industry insights and market intelligence
  • Stay ahead of the curve with spotlights on emerging trends and technologies
  • Receive breaking news stories straight to your inbox in the daily newsletters
  • Make smart business decisions with the latest developments in regulation, investing retirement and protection
  • Members-only access to the editor’s weekly Friday commentary
  • Be the first to hear about our events and awards programmes

Join

 

Already a Professional Adviser member?

Login

Sophia Panayi
Author spotlight

Sophia Panayi

Senior reporter at Professional Adviser

More on ISAs

Lifetime ISA penalties sting more than 150,000 savers

Lifetime ISA penalties sting more than 150,000 savers

Triggered almost £119m in withdrawal charges

Laura Miller
clock 16 September 2026 • 4 min read
Beyond 'patronising' narratives: Culture and circumstance as gender ISA gap drivers

Beyond 'patronising' narratives: Culture and circumstance as gender ISA gap drivers

Caring responsibilities often mean women have less left to put aside

Sophia Panayi
clock 11 August 2026 • 3 min read
Investment ISA cash interest changes: Yet more stick, no carrot

Investment ISA cash interest changes: Yet more stick, no carrot

'These measures fail to recognise that cash is used intentionally by savers as a strategic asset'

Kate Toumazi
clock 15 July 2026 • 4 min read