How Long Does It Take to Get a Tax Refund After Self Assessment?

How Long Does It Take to Get a Tax Refund After Self Assessment?
Alan Bermingham

Alan Bermingham

10 Years of Expertise in Fintech Innovation

4 min read

Updated: 18 Dec 2024

4 min read

Updated: 18 Dec 2024

Time to Spill the Beans....


Wondering how long it will take to get a tax refund after Self Assessment? Look no further.

It’s one of the most common questions we hear, and while there’s no exact answer, knowing the typical timelines and factors that can speed things up (or slow them down) can really help.

In this article, we’ll walk you through everything you need to know about getting your tax repayment—from filing tips to what might delay your refund. Let’s go!

Typical Timeline for a Self Assessment Tax Refund

From what we’ve seen with our clients, the timeline for receiving a tax refund after submitting your Self Assessment tax return can vary a bit, depending on a few factors.

If you filed an online tax return, HMRC usually processes it faster—often within 1-2 weeks after submission.

Filing online is definitely the quicker route, and clients have told us they were happily surprised when refunds hit their bank accounts that quickly!


On the other hand, if you filed a paper return, the wait tends to be a little longer. Expect 4-6 weeks on average, but it can take even more time during peak season—especially as we get close to the 31 January deadline when everyone’s rushing to file.

Of course, this timeline depends on everything going smoothly, with no errors or extra checks needed. During peak times or if there are any security checks, processing can slow down, so it’s always a good idea to file early if you’re hoping to see your refund quickly!

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Factors That Can Affect Refund Processing Time

At Pie Tax, we’ve seen a few things that can impact how quickly you get your tax refund after filing your Self Assessment tax return.

The biggest factor is accuracy—if everything’s correct and complete, your refund will likely process faster. If HMRC spots errors or missing details, they may need extra time to review.

Timing also plays a role. Filing close to the 31 January deadline? Be prepared for delays, as that’s when HMRC has the most returns to process.

If your return involves untaxed income or complex tax calculations, like capital gains, it may take longer too.

To speed things up, double-check your return and try to file early. The more accurate and complete your return, the quicker your refund will arrive!

How to Speed Up Your Tax Refund

Want to get your tax refund quicker? Here’s the trick: file your Self Assessment tax return online!

Trust us, this is by far the fastest way to get your refund sorted. Once you submit your return, HMRC processes it way faster than if you’re filing on paper.

And, if you choose an online bank transfer service to pay your tax liability, that can get the ball rolling even faster.

Before you hit submit, though, double-check all the details—especially if you’re claiming a tax rebate or have untaxed income.

Common mistakes can delay your refund, so take a second to make sure everything’s accurate, from your tax calculation to your Unique Taxpayer Reference (UTR).

Also, make sure you’ve got all the required documents ready. If anything’s missing or unclear, HMRC might ask for more info, and that’ll slow things down.

By making sure your paperwork is complete and your details are spot-on, you’re helping HMRC process your return smoothly and speed up your refund. Easy, right?

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Checking the Status of Your Tax Refund

Wondering where your tax refund is?

The easiest way to check is through your HMRC online account. Just log in, and you’ll be able to see if your refund is in progress or already paid directly into your bank account. If you used a debit card or set up a payable order, those details will also show up.

If your refund’s taking longer than expected, check your HMRC account for any issues—like missing documents or errors in your tax return.

If everything looks good but you’re still waiting, reach out to HMRC via phone or the app. Response times can vary, but once they process your refund, it should be paid directly into your account.

And if you requested a cheque via the post office, expect a little longer wait.

Common Reasons for Refund Delays

There are a few things that can slow down your tax refund.

One of the most common culprits is missing documents or an incorrect Unique Taxpayer Reference (UTR)—if HMRC can’t match your info, it can delay everything.

Always double-check your self assessment record to make sure everything’s right.

Another issue is processing backlogs, especially during busy times like the self assessment deadline.

HMRC’s system can get overloaded, so if you file close to those busy periods, expect a longer wait.

Also, if your return involves things like capital gains or dividends, it might take a little extra time for HMRC to review.

If you’ve overpaid tax or are claiming tax relief, that can also cause delays as HMRC checks everything carefully.

If you’re waiting longer than expected, it’s a good idea to contact HMRC and check if they need anything else from you to get things moving along! 

lady looking at phone

What to Expect Once Your Refund Is Processed

When your tax refund is processed, it’s usually pretty quick if you’ve opted for bank transfer—clients typically see it in 5 to 10 working days.

One client was pleasantly surprised when his money landed just 6 days after filing. However, if you’ve requested a cheque, it might take 2 to 4 weeks depending on HMRC’s workload.

It’s crucial to double-check that HMRC has the correct account details. We’ve had clients experience delays just because of small mistakes in their bank details.

So, always review everything before you submit your return.

If your refund’s taking longer than expected, you can track it via your HMRC online account. If there’s an issue, contact HMRC to get things sorted—just be ready to provide any info they ask for!

Common Mistakes to Avoid When Filing Your Self Assessment

One mistake we see a lot at Pie Tax is people not checking their HMRC forms carefully.

Missing or incorrect details—like income or account details—can cause all sorts of issues, from delays in receiving your refunds to unexpected penalties. Double-checking your tax return before submitting can save you from that headache!

Another common mistake is not claiming everything you’re eligible for. For example, forgetting to include expenses or missing out on a tax rebate can mean you’re paying more than you need to.

One client missed claiming a business expense, and it cost them a lot in the end. Remember, HMRC is looking for accuracy, so make sure you’re getting all the tax relief available to you!

Lastly, don't miss the self assessment deadline. If you're filing late or if there’s a delay with your payments, you could end up with penalties or interest charges. Filing early and making sure your payment details are correct means you’ll avoid unnecessary stress!

lady on laptop

Final Thoughts

And there you have it—everything you need to know about getting your tax refund after filing your Self Assessment tax return!

While waiting for the money to land back in your account can feel like a bit of a long game, knowing the typical timelines, how to speed things up, and what could cause delays helps take the stress out of the process.

Remember, the faster you file, the sooner you can get that tax rebate in your bank account.

And if you ever run into any issues, just give HMRC a shout to get things back on track.

So, take a deep breath, stay organised, and know that your refund is on its way—eventually! 

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