Tax credits: appeals and complaints

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Complain about tax credits

You can complain about things like unreasonable delays or the way you鈥檝e been treated.

There鈥檚 a different process if you think your tax credits are wrong or you want to dispute a tax credits overpayment.

How to complain

You can:

If you write, include:

  • your National Insurance number
  • your full name, address and telephone number
  • details of what happened and when
  • how you鈥檇 like your complaint settled
  • the word 鈥楥omplaint鈥� at the top of your letter

Send your complaint to:

HM Revenue and Customs
Tax Credit Office
BX9 1ER
United Kingdom

If you do not agree with the response

Ask HMRC to review their response and send you a final decision.

If you鈥檙e unhappy with the final decision, you can contact the .

You may be able to claim costs (for example for postage or phone calls) if HMRC admits they made a mistake. Ask them for details.