Tax credits: appeals and complaints

Skip to contents of guide

Complain about tax credits

You can complain about things like unreasonable delays or the way you’ve been treated.

There’s 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’d like your complaint settled
  • the word ‘Complaint’ at the top of your letter

Send your complaint to:

HM Revenue and Customs
Tax Credit Office
United Kingdom

If you do not agree with the response

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

If you’re unhappy with the final decision, you can contact the Independent Adjudicator.

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.