A higher advertised savings rate does not necessarily mean more interest over the time you keep your money in an account. For UK and Canadian savers, a temporary bonus, restricted qualifying balance or lower follow-on rate can change the comparison. Check the offer’s duration, eligibility and access rules alongside the headline.
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- Compare accounts over the same saving period, not just by their opening rates.
- Separate a temporary bonus from the underlying rate that continues afterwards.
- Check which deposits qualify and when the promotional clock starts.
- Keep withdrawal access and account conditions in the comparison.
Why can a higher savings rate be misleading?
The rate in an advertisement describes interest under specified conditions. It does not necessarily describe what every customer receives, what applies to every deposit, or what the account will pay throughout your intended saving period.
A promotion can be attractive while it lasts but less competitive afterwards. If you leave the money untouched after the offer expires, the follow-on rate becomes part of your experience, even though it was not the most prominent number in the advertisement.
Moneyfactscompare’s UK savings guidance, reviewed in October 2026, explains that introductory bonuses temporarily supplement an account’s underlying rate. It also highlights eligibility and withdrawal conditions, making the full product specification more useful than a league-table position alone.
A fixed bonus is not necessarily a fixed total rate
An account can combine a fixed promotional addition with a variable underlying rate. The addition may stay unchanged while the overall return moves, so the word “fixed” needs to be read in context.
That differs from choosing a fixed-rate deposit for a stated term. Our guide to UK fixed-rate savings bonds and their access conditions explains the separate questions involved when money is committed for longer.
What does a UK bonus savings account actually promise?
Shawbrook’s published Bonus Easy Access Savings Account Issue 5 summary, reviewed in October 2026, illustrates the distinction. The opening variable AER is 4.13%, with the promotional element lasting 12 months. Its fixed bonus component is 2.13% AER; once that expires, the summary lists a variable AER of 2.00%.
These are figures from that product’s published summary, not a claim that it leads the market or that a particular applicant will receive today’s advertised terms. Availability and the applicable product issue need checking before an application.
Shawbrook says the bonus begins when the account is funded, while the underlying rate can change. That means the funding date and the variable-rate wording both matter, even when the promotional addition itself is fixed.
Compare AER with AER
Annual equivalent rate, or AER, puts UK savings interest on an annual basis and reflects interest earning further interest when it stays in the account. Shawbrook’s explanation assumes that the interest remains deposited and the rate does not change.
If interest is paid away rather than retained, the compounding assumption no longer matches your use of the account. Read the payment options as well as the rate label, and avoid treating an annual rate as a cash payment promised for a shorter stay.
How do Canadian promotional savings offers differ?
Canadian offers also need to be read as account-specific agreements, not interchangeable headline rates. In Tangerine’s savings terms, reviewed in October 2026, promotional interest is described as annualised, calculated daily and paid monthly.
An annualised rate is not the amount earned over a brief promotional window. The offer’s start, duration and qualifying deposits still determine how that rate applies to your balance.
Tangerine’s published terms distinguish registered savings accounts from non-registered savings accounts. They also attach conditions to new-client eligibility, account opening and eligible balances, so a rate displayed for one account type cannot automatically be assumed to cover another.
For its TFSA and RSP savings products, Tangerine states that deposits remain subject to Canada Revenue Agency limits. A promotional offer does not remove those contribution rules; checking account eligibility and checking available contribution room are separate tasks.
Which details belong in a fair comparison?
Start with when you expect to deposit the money and when you might need it back. Then read each account’s terms against that same plan, rather than comparing a short promotion with another account’s ongoing rate as though both lasted indefinitely.
| Detail | Question to resolve |
|---|---|
| Promotional period | Does it begin at registration, account opening, funding or another qualifying event? |
| Eligible balance | Which deposits receive the advertised rate, and is there a cap? |
| Follow-on rate | What applies after the offer, and can it change? |
| Interest treatment | When is interest paid, and does it remain in the account? |
| Access | Do withdrawals affect interest, and how long do transfers take? |
The comparison also changes when money arrives gradually rather than as an opening lump sum. That is a different issue from promotional expiry; our explanation of UK regular savings accounts and deposit limits covers accounts designed around ongoing contributions.
For UK readers comparing account structures as well as rates, the guide to cash ISA access options and fixed terms provides related context. Keep UK and Canadian products separate rather than assuming that similar marketing language means identical rules.
What can you check before a savings bonus expires?
Record the relevant start date, the expiry date and the published follow-on terms when opening the account. A reminder before expiry creates time to review the account without relying on remembering the original advertisement.
At that review, check the actual rate shown in your account and compare available alternatives using current terms. Moving savings is an option to assess, not an automatic requirement: access, eligibility and the effort of managing another account also matter.
Easy access deserves a practical check too. Shawbrook permits unlimited withdrawals on the example account, but its published process includes working-day transfer timings, so requesting money and receiving it are not necessarily simultaneous.
Frequently Asked Questions
No. The outcome depends on how long the rate applies, which part of your balance qualifies and what happens afterwards. An account with a temporary promotion cannot be compared fairly with an ongoing-rate account using the opening figures alone. The comparison needs the same intended deposit and withdrawal timing.
Yes, if the fixed bonus sits on top of a variable underlying rate. The bonus component may remain unchanged while the underlying component rises or falls. Read which part is fixed and which is variable, rather than assuming the whole advertised rate is locked for the promotional period.
Not necessarily. Where the offer quotes an annualised rate, that describes the rate on an annual basis, not a promised return for a shorter promotion. The eligible balance, time deposited and payment conditions still matter. Read the offer terms for the particular savings account rather than extrapolating from the headline.
No. A bank’s promotional conditions and the rules governing a registered account are separate. Tangerine’s terms explicitly keep TFSA and RSP deposits subject to CRA limits. Checking whether you qualify for a banking offer does not establish that you have enough contribution room for the deposit you are considering.
Informational content only, not financial advice.
Published in: 20 de outubro de 2026
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Richard Meghi
Richard Meghi is the founder of CredNine and has over 20 years of experience in woodworking, rustic furniture design, and hands-on DIY projects. After decades of working with reclaimed materials and creating functional pieces for country homes, he decided to share his knowledge through practical guides and tutorials that inspire others to build with their own hands. Passionate about simplicity, creativity, and rural living, Richard uses CredNine to make rustic craftsmanship accessible to everyone — from curious beginners to experienced makers.
