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Your essential guide to ISAs
We're here to help you understand the details on ISA benefits, your ISA allowance and more, including ways to manage your ISA.
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.
Please note, the annual ISA allowance and how it can be used, referenced in these videos, are those applied under current legislation. From 6 April 2027 how you use your allowance will change for under 65s.
ISAs explained
In this video we cover all the basics of ISAs.
Fixed rate cash ISA
All you need to know on how fixed rate cash ISAs work.
Instant access cash ISA
Discover how instant access cash ISAs work.
Saving and Investing
Learn the key differences between saving and investing.
Stocks and shares ISA
Explore how stocks and shares ISAs work.
Fixed Rate ISA
- Fixed interest for long term savings with tax-free benefits.
- Choose a term and open your account with £1,000.
- Fix your savings interest rate, so you know exactly what your pot will earn.
1 and 2 year Fixed Rate ISA rates
- 1 year term - 4.20% AER/Tax-free p.a. (fixed). Term end date 07 January 2027.
- 2 year term - 4.00% AER/Tax-free p.a. (fixed). Term end date 07 January 2028.
No withdrawals or deposits during the term. Available for new customers until 11 December 2025.
Available to existing customers until 16 December 2025.
Please note that these issues may be withdrawn early due to limited availability.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
- Flexible savings with tax-free benefits.
- Start your ISA savings with as little as £1.
- Instant access so you can take money out whenever you need it.
NatWest's Cash ISA rates
- 1.15% / 1.14% AER / Tax free p.a. (variable) on balances of £1-£24,999.
- 2.45% / 2.42% AER / Tax free p.a. (variable) on balances of £25,000+.
Interest is paid monthly on your savings.
Adult Stocks & Shares ISA
- Investment account that allows you to invest up to £20,000 a year tax efficiently.
- Five investment funds from defensive to adventurous are available to hold in your NatWest Invest Stocks & Shares ISA.
There's no UK Income Tax or Capital Gains Tax on any money your investment makes. You can withdraw at any time, but you should aim to invest for 5 years or more.
Junior Stocks & Shares ISA
- Tax-efficient investment account for children.
- Parents or legal guardians can open a Junior ISA for their child and can put in up to £9,000 a year.
When your child turns 18, they get access to the money. It could help them with university costs, travelling around the world or their first home.