Tax credits: general enquiries
Source: gov.uk (2025-06-30)

Contact HMRC for help with tax credits, or to report changes to your circumstances.

Tax credits ended on 5 April 2025. No more payments will be made. You’ll have been sent a letter (https://ucmove.campaign.gov.uk/universal-credit/when-you-need-to-apply-universal-credit/) if you are eligible for Universal Credit or Pension Credit instead.

Online

Ask HMRC’s digital assistant (https://www.tax.service.gov.uk/ask-hmrc/chat/ask-hmrc-online) to find information on:
- tax credits
- Universal Credit
Check when you can expect a reply from HMRC (https://www.gov.uk/guidance/check-when-you-can-expect-a-reply-from-hmrc) Find out when you can expect to receive a reply from HMRC to a query or request you’ve made.

You can also find out information in:
- the official HMRC app (https://www.gov.uk/guidance/download-the-hmrc-app)
- your personal tax account (https://www.gov.uk/personal-tax-account)
X (previously known as Twitter)

You can use X to ask HMRC questions. We cannot discuss specific cases or individual tax affairs, so do not give any personal details.

Start your post with @HMRCcustomers

Opening times:
- Monday to Friday: 8am to 8pm
- Saturday: 8am to 4pm
Closed on Sundays and bank holidays (https://www.gov.uk/bank-holidays).

Phone

Call HMRC:
- to report changes that affect your tax credits (https://www.gov.uk/changes-affect-tax-credits)
- if you have a general enquiry about your tax credits
You can use Relay UK if you cannot hear or speak on the phone, dial 18001 then xx-xxxx-xxxx. Find out more on the Relay UK website (https://www.relayuk.bt.com/).

Before you call

This helpline uses speech recognition software, so you will be asked why you are calling HMRC. If you cannot use speech recognition software, you can get help from HMRC if you need extra support (https://www.gov.uk/dealing-hmrc-additional-needs/overview).

This helpline may also ask you some security questions. Make sure your personal details and address are up to date in your personal tax account (https://www.gov.uk/personal-tax-account) or you could fail telephone security. If you do not have a personal tax account, you can create one before you check your details.

HMRC may ask if you want to add voice identification to your account. You can find out more in the Voice Identification Privacy Notice (https://www.gov.uk/government/publications/voice-identification-privacy-notice).

Telephone: xx-xxxx-xxxx

Outside UK: xx-xxxx-xxxx

Opening times: Monday to Friday, 8am to 5pm. Closed bank holidays (https://www.gov.uk/bank-holidays).

Phone lines are usually less busy Tuesday to Thursday from 2pm to 4pm.

Get help from HMRC if you need extra support (https://www.gov.uk/get-help-hmrc-extra-support).

Find out about call charges (https://www.gov.uk/call-charges)

Post

Complaints or change of circumstances

Send complaints or changes in your circumstances to this address. You do not need to include a street name or PO box.

Make it clear why you’re writing. For example, write ‘change of circumstances’ or ‘complaint’ at the top of your letter.

Couriers should use a different address (https://www.gov.uk/government/organisations/hm-revenue-customs/contact/couriers).

HM Revenue and CustomsTax Credit OfficeBX9 1ERUnited Kingdom

Related content

Guidance
- Check benefits and financial support you can get (https://www.gov.uk/check-benefits-financial-support)
- Report benefit fraud (https://www.gov.uk/report-benefit-fraud)
HMRC contacts
- Agent Dedicated Line: tax credits (https://www.gov.uk/government/organisations/hm-revenue-customs/contact/tax-credits-agent-priority-line)
- Tax credits: payments (https://www.gov.uk/government/organisations/hm-revenue-customs/contact/tax-credits-payment)
- Treth Incwm, Hunanasesiad a mwy (https://www.gov.uk/government/organisations/hm-revenue-customs/contact/welsh-language-helplines)