A Cash ISA (Individual Savings Account) is a tax-free way to save. On other savings accounts, you may have to pay income tax* on the interest you earn. The interest on a cash ISA is free from tax, so all the interest you earn, you keep. Take a look at our cash ISA rates below.
For the tax year starting 6 April 2016, the ISA allowance is £15,240 for cash or Stocks and Shares ISAs and £4,080 for Junior ISAs.
From 6 April 2016 ISA flexibility will be available on all Nationwide cash ISAs (with the exception of Junior ISA). This means you can withdraw money from your cash ISA and replace it (subject to the account terms and conditions) within the same tax year, without it counting towards your annual ISA allowance.
*From 6 April 2016, many savers will no longer pay tax on the interest they earn on non-ISA accounts. More about the government's new Personal Savings Allowance.