with tax-free savings in a Cash ISA.
You must be a UK resident aged 18+. You can only subscribe to one Cash ISA with NatWest in any tax year up to £20,000. Tax free Interest means interest payable is exempt from UK income tax. Tax reliefs referred to are those applied under current UK legislation, which may change.
Choose an ISA that works best for you
Cash ISAs are a simple, tax-efficient way to save. It could make your money work harder than a traditional savings account.
Cash ISAs & Fixed Rate ISAs explained
An ISA (Individual Savings Account) allows you to save up to £20,000 each tax year without having to pay income tax on the interest you earn. Make the most of your tax-free allowance for 2024/2025
NatWest offer two types of Cash ISAs for over 18s: an instant access Cash ISA and a Fixed Rate ISA.
Is an instant access Cash ISA best for you?
Flexible savings and tax-free benefits
Instant access savings with a Cash ISA
- Start your ISA savings with as little as £1.
- Take money out whenever you need it.
NatWest's Cash ISA interest rates
- 1.60% / 1.59% AER / Tax free p.a. (variable) on balances of £1-£24,999.
- 3.00% / 2.96% AER / Tax free p.a. (variable) on balances of £25,000+.
Is a Fixed Rate ISA best for you?
Fixed interest so you know how much you will earn
Fixed interest for long term savings
- Choose a term and open your account with £1,000.
- Fix your Cash ISA interest rate and watch your savings grow.
One and two year Fixed Rate ISA rates
- 4.00% AER/Tax-free p.a. (fixed) 1 year term.
- 4.00% AER/Tax-free p.a. (fixed) 2 year term.
No withdrawals or deposits during the term. Available for new customers until 11 December 2024.
Available to existing customers until 16 December 2024.
Please note that these issues may be withdrawn early due to limited availability.
Interest is calculated daily and paid annually to your ISA on the first business day in April and on the Maturity Payment Date. Early closure fees may apply.
Cash ISA - FAQs
Financial Services Compensation Scheme
Your eligible deposits held by a UK establishment of NatWest are protected up to a total of £85,000, by the Financial Services Compensation Scheme, the UK's deposit guarantee scheme. Any deposits you hold above the limit are unlikely to be covered.
Find out more (PDF, 3k KB) about the scheme and how it protects your money.
Investments through NatWest Invest may also be covered by the Financial Services Compensation Scheme in some scenarios. You can find out more here.
How to start saving
Ready to start saving and take control of your financial future? Check out our guide to discover the benefits of using a savings account, how to save regularly, and how your savings can earn you interest.
Work towards your savings goals today
Got specific financial goals but don't know where to start? We're here to help. Discover the best strategies for saving towards your goals, and get tips for staying motivated along the way. Plus, explore tools and resources that could help track your progress and achieve your savings goals faster.
Discover our savings accounts
Stash the cash for your future with one of our many savings accounts. Whether you're saving for the long term, or for a certain goal, we could have an account for you. Specific account eligibility criteria apply.