Our best interest rate savings accounts
Save with confidence. Explore our best interest rates and find the right account for you.
Want to see our top interest rates at a glance?
Here are our best rate currently available for each type of account we offer. These rates can change as we regularly update our range to help you make the most of your money.
Remember, choosing a savings account isn't just about finding the top interest rate. Features like access, flexibility and withdrawals can be just as important.
You might find an account with a lower interest rate better suits how you save. You can always explore our full range of savings accounts.
Our best rate cash ISA
Enjoy a set interest rate for the term of the account.
A fixed rate cash ISA is designed to help you earn tax-free interest on a lump sum.
You can't make withdrawals, and there's a limited time frame to add money. You can make payment in until it's removed from sale for new customers.
Here's our best rate cash ISA.
4.55%
Tax-free^ / AER† (Fixed)
1 Year Fixed Rate Cash ISA
- Open with £500
- Save up to £20,000 this tax year
- No withdrawals allowed
- Choose interest paid yearly or monthly
- Pay into the account whilst it's on sale
Our best rate regular saver
Regular saver accounts can help you save on your own terms.
Save up to a set limit each month, usually for a fairly short time.
Great for keeping you focused on saving for a specific goal or saving for something in the near future.
You can't make withdrawals from our regular savers. But you can close the account and withdraw your money if you need to.
Here's our best rate regular saver.
4.94% / 5.00%
Gross* / AER† (Fixed)
6 Month Regular Saver
- Withdrawals not allowed
- Up to £200 pay in each month
- Interest paid at maturity
- £1 - £1,200 min & max balance
Our best rate fixed term bond
With a fixed term bond, you leave your money in the account for a set amount of time; typically with a fixed interest rate.
Withdrawals aren't allowed and you usually can't close your bond early.
Some bonds are designed to let you set aside a lump sum; so only let you pay in during a limited time frame.
Others (like regular saver bonds) let you make payments in each month.
Either way the fixed interest rate can give you certainty about the interest rate you’ll earn while you save.
Here's our best rate fixed term bond.
4.45%
Gross* / AER† (Fixed)
1 Year Fixed Rate Bond
- Open with £500
- Save up to £2,000,000 whilst on sale
- No withdrawals allowed
- Choose interest paid yearly or monthly
Our best rate easy access account
Easy access accounts give you just that; easy access to your money.
Open one with as little as £1. And start by saving small amounts if you need to. No need to deposit a lump sum straight away.
Get freedom to save flexibly and access your money when you need it.
Make sure you understand how many times you can make withdrawals as there may be limits.
Here's our best rate easy access account.
4.25%
Gross* / AER† (Variable)
Online Bonus 5 Access
- Add money at any time and save up to £1 million
- 5 withdrawals each calendar year
- Interest added yearly
- Rate includes 1.70% (variable) bonus for 12 months
Why people save with Principality
Years of experience; still looking ahead
Shaping a better future for your savings with fresh ideas plus 165 years' of knowledge.
Built in Wales, serving everyone
We're the 6th largest building society in the UK. That means Welsh roots with national clout. (We think that's the perfect blend). Here for you online and in pers
Guided and owned by you
We're in this together, so you get a say in how we do things. Being a mutual means we're run for our 500,000+ members.
Savings help and guides
Quick-read guides to get you saving and making the most of your Principality savings account.
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Darllen mwy
Trosglwyddo ISA
How to transfer your cash ISA from another provider. And start tax-efficient saving with Principality.
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Darllen mwy
Saving at Principality
A guide to the savings accounts we offer. And how to choose one that suits you.
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Darllen mwy
Comparing our savings & ISAs
Help comparing our savings accounts and ISAs. So you can choose what's right for you.
Additional information
*Gross interest is the rate of interest before income tax is deducted at the rate set by law.
†AER stands for Annual Equivalent Rate and illustrates what the interest rate would be if interest was paid and compounded once each year.
^Tax-free means the interest you earn isn't subject to UK Income Tax and Capital Gains Tax. Tax treatment depends on your individual circumstances and could change in future.