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HMRC Update: What to Do If Your Tax Refund Cheque Goes Missing

Finance By LordSparoJune 25, 2026

HMRC has issued fresh guidance after a taxpayer raised concerns about a tax refund cheque being sent to the wrong address.

The update explains how HMRC issues tax refunds, what happens if your address details are out of date, and what you should do if a cheque is sent to your previous home.

How HMRC Normally Issues Tax Refunds

If you have paid too much or too little tax by the end of a tax year, HMRC will usually contact you.

The UK tax year runs from 6 April to 5 April. If HMRC finds an error, it may send you:

  • A P800 tax calculation, or
  • A simple assessment letter

These letters explain:

  • Whether you are owed a refund, or
  • How to pay tax you still owe

HMRC usually sends these letters between June and March following the end of the tax year.

Who Receives a P800 Letter?

You will usually receive a P800 or assessment letter if:

  • You are employed, or
  • You receive a pension

If you are registered for Self Assessment, you will not receive one of these letters. Any overpaid or underpaid tax is automatically adjusted through your tax return instead.

What Happened in This Case

A taxpayer contacted HMRC after requesting their tax refund to be sent as a cheque by post.

After making the request, they realised they had not updated their address with HMRC following a house move.

They then updated their address and asked whether the refund cheque would be sent to their new address or the old one.

HMRC’s Response

HMRC told the taxpayer that if the address was updated after the refund was processed, the cheque was most likely sent to the old address.

This came as a surprise to the taxpayer, who then asked how they could fix the situation.

What to Do If Your Refund Is Sent to the Wrong Address

HMRC advised that the issue can be resolved, but it may take extra time.

They said:

  • You should contact HMRC directly
  • The original cheque can be cancelled
  • A replacement cheque can then be issued to the correct address

However, HMRC warned that cancelling and reissuing a cheque may delay your refund.

How to Contact HMRC

HMRC told the taxpayer they can:

  • Call the HMRC helpline on 0300 200 3300
  • Use the HMRC webchat service

For webchat, HMRC advised typing “adviser” to be connected when someone is available.

Key Advice for Taxpayers

To avoid problems with refunds:

  • Always update your address with HMRC as soon as you move
  • Check your personal tax account regularly
  • Consider choosing bank transfer instead of cheques, where possible
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