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Updated 28 October 2026

2027 cash ISA limit changes explained

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Cash ISA allowance changes
Read our ISA guide
Transferring an ISA
Explore our cash ISAs

Update 28 October 2026

The Government has announced that the planned ISA reforms for April 2027 will not go ahead. This means:

  • The current £20,000 annual ISA allowance will continue.
  • There will be no £12,000 Cash ISA limit for under-65s. You’ll continue to be able to pay up to the full £20,000 annual allowance into a Cash ISA.
  • The proposed new restrictions on ISA transfers will not be introduced. Existing ISA transfer arrangements will continue, including the ability to transfer between Stocks & Shares and Cash ISAs.

There’s nothing you need to do. We’ll keep you updated if anything changes.

money and coins

Our Ulster Bank Cash ISA

An instant access, tax-free savings account.

  • Tax-free interest on balances up to £20,000
  • 1.15% AER/Gross p.a.(variable) for balances between £1 - £24,999
  • 2.45% AER/Gross p.a.(variable) for balances over £25,000
Information Message

Available to UK residents aged 18+. Save up to £20,000 for the current tax year. You can only pay into one Cash ISA with Ulster Bank. Interest is paid on last day of October and at account closure.

View Cash ISA

Transfer an existing ISA to Ulster Bank

An ISA transfer means switching your ISA savings to a new provider. This might be for a better interest rate or to take advantage of a different type of ISA altogether.

You can transfer an existing ISA held elsewhere into your Ulster Bank ISA at any time, bringing everything together in one place. And transferring an account from a previous tax year won’t affect your ISA allowance for this year.

Before you start, just remember to go through the official ISA transfer process. That way, you won’t lose out on any tax benefits. Also note that your existing provider may charge an ISA transfer fee.

Transfer to an Ulster Bank ISA – in detail

Your essential guide to ISAs

We’re here to help you understand ISA benefits, your ISA allowance and more, including ways to manage ISAs.

Read our ISA guide

ISAs explained

We’ve created short, easy videos to explain how ISAs work. You’ll also discover how to make the most of your annual ISA allowance.

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ISAs explained

In this video we cover all the basics of ISAs.

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Instant access cash ISA

Discover how instant access cash ISAs work.