Common Triggers for Delayed Tax Refunds

Common Triggers for Delayed Tax Refunds
Alan Bermingham

Alan Bermingham

10 Years of Expertise in Fintech Innovation

7 min read

Updated: 23 Oct 2025

7 min read

Updated: 23 Oct 2025

Let’s Break This Down Together...

Still waiting for your tax refund and wondering what’s taking so long? HMRC handles millions of refunds every year, and delays can happen for all sorts of reasons.

In this article, we’ll unpack why your UK tax refund might be delayed, how long HMRC usually takes to process payments, and what steps you can take to check or speed things up. You’ll also learn how to spot common issues that hold things back.

By the end, you’ll know exactly what to do next and how to keep track of your refund with less stress. Ready to make sense of it all? Let’s dive in..

Introduction to Tax Refunds

Tax refunds are an essential part of the UK tax system, giving individuals and businesses the opportunity to reclaim money if they’ve paid too much tax. Whether you’re an employee, self-employed, or running a business, it’s possible to end up overpaying tax for a variety of reasons, such as changes in income, incorrect tax codes, or deductions not being applied.

If you find you’ve paid too much tax, you can submit a claim to HMRC to request a repayment. This process involves checking your tax payments for the relevant period and ensuring you have all the necessary information to support your claim. Once your claim is submitted, HMRC will review the details and, if approved, process your refund payment directly to your bank account.

By staying informed about how tax refunds work and regularly reviewing your tax situation, you can make sure you don’t miss out on repayments you’re entitled to. If you think you’ve overpaid tax, don’t hesitate to start the claims process and get your money back.

Tax Return Deadlines

Meeting tax return deadlines is crucial for both individuals and businesses to stay compliant and avoid unnecessary penalties. For those who need to complete a self assessment tax return, the key date to remember is 31st January following the end of the tax year. For example, if you’re filing for the 2022-2023 tax year, your self assessment tax return must be submitted by 31st January 2024.

Planning ahead is essential, gather all your documents, income details, and any information about tax reliefs or expenses well before the deadline. Missing the tax return deadline can result in automatic fines and interest charges on any outstanding tax, which can quickly add up and impact your cash flow.

Staying on top of your tax return deadlines not only keeps you compliant with HMRC but also helps you avoid unnecessary stress and costs, leaving you free to focus on running your business or managing your finances with confidence.

When is a tax refund officially "delayed"?

Most tax refunds aren’t instant - HMRC needs time to check your details and process your payment. But when should you start wondering if something’s wrong?

For Self Assessment refunds, the normal timeframe is about 4 weeks after submission. However, some refunds now take more than four months to be processed, resulting in significant delays for taxpayers. If you’re still waiting after a month, your refund might be considered delayed.

PAYE refunds typically take longer - up to 12 weeks in some cases. This is because they often result from end-of-year reconciliations or P800 calculations. Recently, there have been significant delays, with some refunds taking even longer to be processed.

Online refund claims generally process faster than paper ones. However, you may still experience a wait, and delays can extend beyond the usual period, especially during times of high demand.

Why is my tax refund taking so long?

Several common issues might be holding up your refund. Even small errors like an incorrect National Insurance number, bank details, or an incorrect tax code can trigger manual reviews and cause delays. An incorrect tax code is a common reason for overpayments and subsequent refund delays.

HMRC conducts random security checks to prevent fraud. These verification processes are more common for first-time filers or large refund amounts. Some refund requests may also require additional checks, which can further delay processing.

If you’ve recently moved or changed your name, HMRC might need to verify your identity before releasing your refund. This happened to me last year after moving house - my refund was delayed by six weeks!

During peak periods (especially January for Self Assessment and April for year-end), HMRC’s systems face higher demand, creating processing backlogs. Industrial action among HMRC staff has also contributed to delays, particularly for PAYE and CIS refunds.

Complex tax situations involving foreign income or capital gains might need specialist review. These cases naturally take extra time to process.

To address increased demand and improve service standards, HMRC has responded by allocating extra staff to process refund claims and handle customer inquiries. The recent funding settlement is intended to support significant improvements in service standards and reduce delays.

How to check your tax refund status

Don’t sit in the dark wondering - here’s how to find out where your refund stands. Log into your HMRC online account or Personal Tax Account and check the “Messages” section for updates. You can also track the status of your refund requests and see when your request was submitted using HMRC’s online service.

Use HMRC’s “Where’s My Reply?” tool on the GOV.UK website. This shows typical response times for different services and helps you monitor the progress of your requests.

Call the HMRC helpline on 0300 200 3300. Have your National Insurance number and UTR (if applicable) ready when you call. If you need to send documents by post, make sure you use the correct address as listed on the HMRC website to avoid delays.

Check your bank statements for any payments from HMRC. Sometimes refunds arrive without notification.

Remember that HMRC rarely sends updates about in-progress refund requests. Don’t worry if you haven’t received any communications, but using their digital service channels is the best way to get up-to-date information on your requests.

What to do about a delayed tax refund

If you’ve waited beyond the expected timeframe, take action. Double-check that your tax calculation is correct and ensure you’re actually due a refund. Maintaining accurate accounts is essential to support your claim and can help reduce the risk of further delays.

Contact HMRC directly with your National Insurance number, UTR, and details about when you submitted your return. Confirm when your refund was requested and reference the date of your request when speaking to HMRC. Ask for a specific timeframe.

Delayed refunds can significantly impact clients, especially small businesses and companies, by affecting their cash flow and financial planning. Contractors in the construction industry may face particular challenges with delayed CIS refunds, which can disrupt their ability to pay bills or meet other financial obligations. The cost of these delays can be substantial, both in terms of time and financial strain.

If you’re facing financial hardship because of the delay, make this clear to HMRC. In some cases, they can prioritise urgent cases.

Keep records of all communications, including the date, time, and name of any HMRC staff you speak with. These details may prove useful later.

When to escalate your delayed refund case

Sometimes a gentle nudge isn’t enough. If you’ve waited more than 8 weeks beyond the normal processing time, consider making a formal complaint.

When HMRC repeatedly gives vague responses about your refund status, ask to speak with a manager. Alternatively, request a written explanation.

If your refund was approved weeks ago but no payment has arrived, this warrants immediate follow-up. The money may be stuck in processing.

For serious delays causing financial difficulties, contact your MP. They may be able to raise your case directly with HMRC. The Public Accounts Committee, as a government spending watchdog, regularly scrutinizes HMRC's handling of delayed refunds and overall service standards.

Government oversight and customer satisfaction metrics, such as customer satisfaction stands at around 80%, are used to assess HMRC's service. Delayed refunds can impact public trust, highlighting the importance of high-quality service from HMRC.

Final Thoughts

Tax refund delays are frustrating but usually temporary. Most delays stem from verification processes designed to prevent fraud rather than problems with your return.

Being patient during standard processing times will save you stress. However, don't hesitate to follow up once those timeframes have passed.

Keep your contact details updated with HMRC and ensure your bank information is correct. This helps prevent unnecessary delays with future refunds.

Simplifying Tax Refund Tracking

Good news - you don't have to navigate the confusion of tax refund delays alone.  The dashboard gives you complete visibility of your tax affairs in plain English. You'll see expected refund amounts and processing status at a glance.

We maintain secure connections with HMRC to ensure your tax information is always up-to-date. This helps prevent the errors that commonly cause delays.

Fancy seeing how it works? Pop over to our website to explore how the Pie app can take the mystery out of your tax refunds.


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