Tax Credits Helpline Phone Number

0843 557 3382

Tax credits are a form of state benefit which is available for those who are looking after children, on low incomes or working with a disability. Call 0843 557 3382 to get in touch with the Tax Credits Office for assistance with your claim.

Tax Credits Contact Numbers

You can call the helpline numbers below seven days a week during these opening hours. The helplines will close on Christmas Day, Boxing Day, New Year’s Day, and Easter Sunday.

Department
Phone Number
Opening Times
General Enquiries
0843 557 3382
(Mon-Fri) 8am – 8pm
(Sat) 8am – 4pm
(Sun) 9am – 5pm
Joint Claims
0843 557 4984
(Mon-Fri) 8am – 8pm
(Sat) 8am – 4pm
(Sun) 9am – 5pm
Backdate a Claim
0843 557 3698
(Mon-Fri) 8am – 8pm
(Sat) 8am – 4pm
(Sun) 9am – 5pm
Update Information
0843 178 3408
(Mon-Fri) 8am – 8pm
(Sat) 8am – 4pm
(Sun) 9am – 5pm
Authorization and Appointees
0843 178 3409
(Mon-Fri) 8am – 8pm
(Sat) 8am – 4pm
(Sun) 9am – 5pm
Appeals and Complaints
0843 178 3410
(Mon-Fri) 8am – 8pm
(Sat) 8am – 4pm
(Sun) 9am – 5pm

General Enquiries

Call 0843 557 3382 if you have general enquiries for the Tax Credit Office, such as questions about your eligibility to claim Tax Credits. If you provide some information, HMRC can even give you an estimate of how much you’ll be paid. You’ll need to know your National Insurance Number, details of benefit and childcare support payments, your income, and the number of hours you work. You can call to request a new claims form, which will be sent to you within 2 weeks. Once you return the form, it can take up to 5 weeks to process your new claim.

Joint Claims

If you’re married or you live together, you and your partner can’t claim Tax Credits separately. Call 0843 557 4984 for help with making a joint claim. Under some conditions, you don’t need to make a joint claim and can claim Tax Credits without your partner. This could be if your partner lives abroad or if you don’t have any children. If you already have a joint claim but you and your partner separate and no longer live together, contact HMRC to change your claim.

Backdate a Claim

When you make a new claim, HMRC automatically backdates it by 31 days. If you claim other benefits such as Income Support, JSA, or ESA, you’ll have to ask if you want HMRC to backdate your Tax Credits claim. To do this, call 0843 557 3698 and ask about backdating your claim. If you are a refugee or qualify for some disabilities benefits, you can also backdate your claim for more than 31 days as long as you apply within a month of qualifying for these statuses.

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Update Information

If you need to report a change in circumstances or a mistake in your claim information, call 0843 178 3408. If you don’t keep your information correct and up to date, HMRC could charge you a fine of up to £300 or £3,000. Whenever HMRC overpays your tax credits as a result of incorrect information, you’ll have to make repayments to them. If you start work or claim benefits which affect your eligibility for tax credits, you need to call this number to let HMRC know.

Authorization and Appointees

Call 0843 178 3409 if you want to organize someone else’s tax credits on their behalf. Request a TC689 form so that the person can authorize you to speak with HMRC for them. If you don’t do this, they will have to confirm their identity with HMRC and agree for them to speak to you every time you call. If the person has a disability and can’t manage their own tax credits, you can also become an appointee. The person’s tax credits will then be paid directly to you. If your child is under or over 16 and has a baby, you can claim tax credits for both of them.

Appeals and Complaints

If you think your tax credits are wrong or want to dispute an overpayment decision, call 0843 178 3410. You can also make a general complaint if you think the Tax Credits Office is guilty of unfair treatment. Call for advice and information on the process of submitting a dispute form or requesting a mandatory reconsideration. If your tax credits do turn out to be wrong, HMRC will make adjustments to your payments. In the event that the Tax Credits Office made a mistake, you can claim back any costs for phone calls or postage.

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Other Ways to Contact the Tax Credits Office

For online assistance, tweet to @HMRCcustomers. HMRC Customer Services are available on Twitter from 8am-10pm every day except Sundays, when they’re online 9am-10pm. They only provide general help, so don’t provide personal details or ask about specific cases.

You can write to HMRC using the following addresses. Send requests and returns of new claims or renewal forms to the relevant address shown in the table. Direct your complaints or change of circumstances notification letters to the customer services address only.

Department
Address
New Tax Credit Claims
Tax Credits Claims
HM Revenue and Customs
BX9 1HE
United Kingdom
Tax Credit Renewal Forms
Tax Credit Office
HM Revenue and Customs
BX9 1LR
United Kingdom
Customer Services
HM Revenue and Customs
Tax Credit Office
BX9 1ER
United Kingdom