Tax Credits

How to claim child tax credit and working tax credit, renew or appeal

tax credits

Tax credits can be worth £1,000s a year, even after recent cutbacks. Unlike many other benefits, you renew them each year – and HM Revenue & Customs is sending out renewal letters now. With the 31 July deadline only weeks away, we've info here on what you need to do to renew, as it'll depend on what type of letter you get.  

If you're already claiming tax credits, you can continue to do so until you've a change in circumstances and need to make a new claim, or you're moved over to universal credit.

Tax credit renewal letters have been sent out – check for any errors. Nearly three million letters have been sent from HM Revenue & Customs (HMRC) to people eligible for tax credits. If this is you, make sure all your details are correct, and report any changes in circumstances – including changes in income – by Friday 31 July. However, if you've been furloughed or had reduced hours due to coronavirus, you don't need to notify HMRC about this change. You'll be treated as if you've worked your normal hours. See below for more information on how to renew.  

In this guide

What are tax credits?

Tax credits, despite the name, are benefit payments to support people with children or who are in work but on low incomes. If you get the severe disability premium, or you got it in the past month and remain eligible, you can still make a new child tax credit claim. But you can no longer make a new working tax credits claim.

There are two types of tax credits: child tax credit (for people with children, whether working or not) and working tax credit (for people who work, whether they've got kids or not).

The amount you can get depends on a number of factors:

  • Your income

    The more you earn, the less you're likely to get. However, there's no set income limit as what you get depends on your (and your partner's, if you have one) circumstances.

  • Single or couple?

    Couples need to make joint claims based on household income.

  • When your children were born

    Your children's birth dates determine how much support you can get for them. See point 6 for more detail.

  • Working hours

    Work over the minimum weekly hours to be eligible. Overtime only counts if you work the hours regularly. See detailed rules.

  • If you've a disability

    More's available for those getting some disability or sickness benefits.

For more on the specific entitlements and exactly how much you can get, see the child tax credit and working tax credit sections.

The seven need-to-knows

Before we get to the nitty-gritty of tax credits, here are are few key points...

  1. How much are tax credits worth each year?

    While the system's over-complex, many people are £1,000s a year better off due to tax credits. The average payout for childcare alone is £3,000+. So always do an eligibility check.

  2. You can lose £1,000s if you don't renew properly before the deadline

    If you get tax credits, you are sent a renewal pack each year between May and July. Some just need checking, others signing and sending back before the deadline – in 2020, it's Friday 31 July.

    Don't ignore renewal notices – it could mean your payments stop completely and you're asked to repay all the money paid since April. See the full renewal help section for how to protect yourself.

  3. Tax credits aren't just for those with kids

    There are two types of tax credits that can yield payments: child tax credit and working tax credit. The first, of course, is only available to those with kids. Eligibility depends on how many children you have and hours worked. Working tax credit supports those on low incomes in work and you don't need children to get it. See what tax credits are available.

  4. Being overpaid may sound good, but it's a nightmare

    Getting more than you're entitled to may sound good, but for most it's a nightmare that should be avoided. If you are overpaid, at some stage you may have to pay back all the money they've given you. This may be taken from your future tax credits, meaning you'll then have much less to live on. See the Overpayment help section for more.

  5. Not reporting changes can cost you a fortune

    If there's one thing every tax credit recipient should know, it's if your circumstances change, then TELL 'EM, TELL 'EM, TELL 'EM! Better still, note down exactly when and what you told them. Even if you've correctly informed them of changes and they overpay you, you'll still have to give the money back. You're expected to keep an eye on your payments and let them know if you don't see a change.

    Be aware that if you live in a universal credit area, reporting a significant change of circumstance can mean that you'll have to apply for universal credit instead. You MUST still report changes – if you don't, then your benefits can stop altogether.

    See the Changed circumstances section to check what you need to tell them.

  6. You'll only get the 'child element' for more than two children if they were born before 6 April 2017

    If you're still receiving child tax credit, how many children you can claim the per child element for depends on when they were born.

    • If your children were born on or after 6 April 2017, you can only claim for up to two children. (But you can still claim child benefit for all of them).
    • If your children were born before 6 April 2017, you can claim for more than two children.

    You can now only make a new child tax credit claim if you receive the severe disability premium or you did so in the past month and are still eligible. If this doesn't apply to you, you'll need to apply for universal credit instead.

    Use our free benefits calculator to see if you'd be better off under the legacy system or universal credit. 

    If you are currently receiving tax credits, you will be able to continue to do so until you've got a change in circumstances and you need to make a new claim. If nothing changes, you'll be moved over to universal credit at some point between July 2019 and December 2023 as part of the 'managed migration'.

  7. Universal credit is replacing existing tax credits (though it may be worth less to you)

    Universal credit is a monthly benefit that's replacing six means-tested benefits, including child tax credit and working tax credit. It's designed for people both in and out of work.

    The scheme has now been rolled out to ALL eligible households in the UK meaning you can't now make a new claim for working tax credit – you'll have to apply for universal credit instead.

    But universal credit is less generous in terms of the child support you can get. You can get support under universal credit for up to two children if they were born after 6 April 2017 – there's no extra support if you have more children, unless they were all born before 6 April 2017.

    There are some exceptions to the two-child limit, such as multiple births, adoption or conception after rape.

    • The Government moved some people over in 2019, with others gradually moved across thereafter.

      You will receive communications from HM Revenue & Customs in advance so that you have time to prepare. You'll then need to make a universal credit claim.

      Once you've moved over, you'll receive top-up payments if your universal credit award is worth less than your tax credits were. The top-ups will continue until you have a change of circumstances and make a new claim. But you'll only get this money if you're moved over as part of the 'managed migration'.

      See our Universal Credit guide for more on eligibility and how to claim it.

Tell them if your circumstances change

It's crucial that if anything changes which affects tax credits, you tell the tax credit office as soon as possible, even if you're not obliged to, otherwise you may find you owe them money.

Sometimes the tax credit office may contact you to check if your circumstances have changed. This is perfectly normal.

This happens because payments are ESTIMATED from last year's earnings, but cover this year's working hours. So if things change, and you don't tell them, you'll be underpaid or overpaid.

The most important thing we can yell out to everyone: if your circumstances have changed...


Don't feel you need to wait until the yearly renewal to update your details.

When you must tell the tax office

There are some circumstances where you need to tell the tax credit office within one month of the change taking place. If you don't let it know, you may be fined up to £300.

  • Change of status

If you move in with a partner, get married, separate or leave the UK for longer than eight weeks.

  • Change in working hours

If you start or stop working or change your number of hours (especially if they drop below your threshold).

  • Changes for children

If you have a child, your childcare costs go up or down, your child leaves home or you start getting childcare vouchers.

When you should tell the tax office

There are some circumstances where you have longer to tell the tax office, sometimes until renewal. Yet don't wait, as it could also lead to overpayment problems, which means you're earning more money than you should and at the end of the year it'll ask for the cash back. Not good if you've already spent it!

  • Income changes

You change your job or your income goes up or down.

  • Children's education

Parents with children staying on at school to take A-levels, starting further education, or taking approved training courses must tell HM Revenue & Customs what they're doing or risk losing out on child tax credits (and child benefit too). This is because when a 16-year-old finishes their GCSEs, the taxman assumes they have left education to join the world of work.

This triggers an end to child benefit and child tax credit payments for them unless the parents get in touch to confirm their children remain in education.

They must also inform the taxman if their child starts a college course in September, but then later decides that it's not for them and leaves. This will then avoid the need to repay overpaid benefits at a later date.

  • Address changes

You move house, bank account or have a new phone number.

Whether you need to notify the tax credit office or not, when you do tell it, keep notes. It's not unheard of for the tax credit office to say you didn't get in contact when you say you did, so put together a file for tax credit paperwork and write down details of every communication you have. Include who you spoke to and when you called.

Also have a look at the Government's detailed list of changes you need to report to the tax credit office.

How to renew your claim

If you get tax credits, you should receive an annual renewal pack. This year's renewal packs are being sent now – if you haven't received yours, call the tax credits helpline on 0345 300 3900.

See What's in the pack? for info on exactly what you need to check. It's vital you deal with this as it has much more significance than you may think.

Check the renewal even if you DON'T want to claim anymore

This is because the renewal pack isn't just estimating your credits for the current year, it's checking whether you were correctly paid for the last year. So failing to sort it out could leave you suffering overpayment or underpayment problems.

How does the renewal system work?

The packs look at how much you earned in the previous tax year (April to April), which is then used to check you received the correct payment last year and also to calculate the amount you'll get in the current tax year.

Some people (usually those with higher claims) may also receive a letter asking for more information on their claim. This is not a scam, though if you are contacted, it'll only be by letter, not email or phone.

What's in the pack?

Everyone gets an annual review notice. But some will get an annual declaration form too.

The review notice – black line on the letter


Only respond to make changes

What is it? This is simply a statement for you to look through and indicate if anything has changed. The letter will have a BLACK line underneath your address and reference number on the first page. 

What to check? Check all the information is correct, especially income. If it is, you DON'T NEED TO DO ANYTHING – your credits will be automatically renewed.

BUT if any information is wrong, you must let the tax credit office know before the deadline.

  • If you have changes and miss the deadline, you risk overpayments or underpayments.

    Underpayment means you won't get what you're due, and even if you do try to claim later, you can only backdate for one month, so may miss out.

    Overpayment means giving you too much and, while this may sound good, the tax credit office will ask for the cash back even if you've spent it. This is one of the single biggest tax credit nightmares and you need to be careful.


The declaration form – red line on letter


You MUST return it or renew online (or by phone) if you get one

What is it? The declaration form has a few assessment questions on. If you've been sent one, you MUST complete it and return it to the tax credit office or renew online/by phone before the deadline, or your tax credits will STOP.

Who needs to fill it in? Only people who receive one – you'll know as it'll have a RED line underneath your address and reference number on the first page. If you don't get one, you don't need to fill it in – it's as simple as that.

What to check? You need to check whether the details on your review form are correct.

What to do? You MUST renew your tax credits by 11.59pm on Friday 31 July. While you can do it by filling in and signing the form and posting it, the easiest way is to do it online or by phone on 0345 300 3900.

Ways to renew your claim

You can renew your claim in several different ways.

You can renew your tax credits, tell the tax credit office about any changes and find out how much and when you'll be paid using HM Revenue & Customs' (HMRC's) online tax credits service.

You can also use HMRC's free mobile app, available for iOS and Android

If you'd rather speak to a person, you can use the telephone helpline, but beware – it usually gets very busy leading up to the deadline, so the sooner you renew, the better. HMRC says the least busy time to call the tax credit helpline on 0345 300 3900 is mid-afternoon.

Quick questions

  • If you have changes and miss the deadline, you risk overpayments or underpayments.

    Underpayment means you won't get what you're due, and even if you do try to claim later, you can only backdate for one month, so may miss out.

    Overpayment means giving you too much and, while this may sound good, the tax credit office will ask for the cash back even if you've spent it. This is one of the single biggest tax credit nightmares and you need to be careful.

    WARNING: If you deliberately mislead over tax credits, you can be fined or even prosecuted. HMRC can charge you a penalty of up to £3,000 if you deliberately or negligently give the wrong information on your claim, when telling HMRC about a change of circumstances or when providing information as part of its checks. HMRC can also charge you a penalty of up to £300 if you fail to give information or tell it about certain changes of circumstance within one month of them happening.

  • If you're self-employed but have not filed your 2019/20 tax return, you will need to report your estimated profit by Friday 31 July, otherwise HMRC will finalise its award using the information it holds, and you won't be able to change it at a later date.

  • HMRC disregards loans for income purposes so this wouldn't need to be reported.

  • No. If you're working reduced hours due to coronavirus or have been furloughed, your tax credit payments won't be affected, as long as you remain employed or self-employed.

    And you don't need to contact HMRC about this change. It will treat you as working your normal hours until the Coronavirus Job Retention Scheme closes, even if you are not using the scheme.

  • If any details are incorrect you need to contact HMRC as soon as possible, and no later than 31 July.

  • About one in 20 households will get a letter that says "reply required" in their renewal packs. If this is you, you MUST follow the instructions and reply to HMRC with your details. If you don't, your tax credits will STOP and you will not be able to make a new claim to get tax credits again – unless you have exceptional circumstances. 


What to do if you've been overpaid

Overpayments are where you've received too much money in the past that you don't qualify for. It might sound good, but the problem comes when the tax credits department asks for its money back and you've already spent it.

Too many overpayments meant tax credits' reputation suffered in the early years. The situation has improved with time, but it isn't perfect now and many still do not trust the system.

Overpayments usually happen because...

  • You didn't tell the tax credit office about changes

You normally have one month to tell the tax credit office of any key changes in your circumstances, though discretion is given if you or a family member were seriously ill.

If you don't let the office know of any changes within one month, you could be asked to pay back any overpayments, so do it as quickly as possible to avoid potential issues.

  • The tax credit office didn't meet its responsibilities

It either made a mistake in your calculations or took longer than a month to update your records once you told it about any changes.

Do I have to repay overpayments?

If it's your fault, you do have to repay. But...

If the tax credit office is at fault, and you've correctly told it in time of any changes, you won't have to repay.

Of course there may be a problem with evidence, and that can get tricky. As a general rule, if you did it right and the tax credit office failed to carry out its responsibilities, the excess cash you were paid specifically because of that error is yours. The tax office has also been told it can't take legal action for overpayments if you've not made any mistakes.

Don't know why you got a overpayment letter?

If you don't know why you were overpaid, in the first instance call the tax credits helpline on 0345 300 3900 and ask for an explanation, but follow up any issues in writing. If there isn't a proper reason, you can challenge the overpayment decision. If nothing has changed, then there's no reason for you to have been overpaid. By challenging it, your situation should be looked at again.

In your letter, explain that you don't know why it's an overpayment as nothing's changed, and as you'd provided all the correct info, you don't think you have been overpaid.

What if you think it's made a mistake?

If you think the tax credit office has made a mistake in its calculations, you can start a dispute or appeal against having to repay. Your overpayment will then be placed on hold while your case is investigated (a 'normal' complaint will not hold up the overpayment).

  • Disputes

    Where you gave it the right info but it didn't act on it. If you disagree that you should pay back an overpayment – for example, you told it you had a decrease in childcare costs – but it continued to pay you the higher amount anyway, fill in form TC846 or send a letter.

    You must send your dispute form within three months of either the date on the first letter, statement or notice you received telling you that you've been overpaid or the 'decision date' on your annual review notice (although exceptions to this time limit are made in some circumstances).

  • Appeal

    Where it's asking for money back it shouldn't be. If you disagree with the amount of tax credit you've been given, you can put in an appeal using the WTC/AP form, which is also know as asking for a 'mandatory reconsideration'. You must fill in the appeal form within a month of being told about the overpayments, so act quickly.

    An example of an appeal is when you've been correctly paid tax credits for three children, but it's wrongly saying it's an overpayment as you've only got two who are eligible.

    If you disagree with the outcome of the mandatory reconsideration, then you can appeal to the Social Security and Child Support Tribunal in England, Scotland or Wales or the Appeals Service Northern Ireland.

If you disagree entirely with a tax credits decision and you think the amount you've been awarded is wrong, then it's best to first call the tax credit office on 0345 300 3900 as it may be a simple case of human error.

However, whether it's an appeal or a dispute, give all the information you can. Include any evidence and why you don't think you should repay.

If that's not successful, you can still make a complaint and go to the adjudicator or even the Parliamentary Ombudsman.

  • If you're still getting tax credits

    It's likely your future payments will be reduced so the tax credit office can recoup the cash you've already had. This is usually 10-25% of your weekly payment (but could be more for higher earners).

  • If your payments have stopped

    If your payments have stopped, whether because you no longer qualify or didn't renew in time, you'll normally get a letter asking you to repay the entire amount within 30 days. A separated couple will usually be asked to pay back half of the money each.

    If this happens and you can't afford it, simply contact the tax credit office and politely explain this to them. It will usually be possible to spread the repayments over a year. In extreme circumstances you may get even longer, or if the tax office believes you'll never be able to repay, have the entire amount wiped.

  • If you're getting universal credit

    If you were previously claiming tax credits and are now claiming universal credit, HMRC will tell you how much you owe. Your universal credit payments will be reduced until you've paid back the money you owe.

Get help on overpayments

Download the Low Income Tax Reform Group's detailed PDF guide to overpayments and how to cope with them below. There's also more help...

Help from other MoneySavers:

Go to the Benefits & Tax Credits MSE Forum board.

Specialist detailed guidance:

Go to the Low Incomes Tax Reform Group.

Tax credit forum:

For more info, go to Tax Credit Casualties.

One-on-one help:

Citizens Advice Bureau and local law advice centres often have advisers who will be able to help you appeal or dispute unfair overpayments.

How much will I get?

You can only make a new claim for child tax credits if you receive the severe disability premium, or you've received it in the past month and you're still eligible for it. In any other circumstance, you will have to apply for universal credit instead. You can't make any new working tax credit claims.

In order to claim, you will need to call the tax credit helpline on 0345 300 3900. You'll then be sent an application form that you'll need to fill in and return. Note that this can take up to two weeks to reach you, and up to five weeks to process a claim, so give yourself plenty of time and DON'T wait until the last minute.

In your first year you'll be paid from the date of your claim until the end of the tax year (5 April), after that the payments will run every tax year.

Child tax credit: In detail

Child tax credit is for those who take care of any children eligible for child benefit (under the age of 16 or up to 20 if they're in full time education or registered with the careers service). Importantly, you don't need to be working.

It's made up of a series of different and separate elements, and the total you get is the sum of all those different parts.

Child tax credit – maximum per element (the more you earn, the less you get)

Family element: For anyone with one or more child £545
Child element: Per child £2,830
Disabled child element: For each child that receives disability living allowance (DLA), is registered blind or has been registered blind in the last 28 weeks. You'll get this on top of the child element £3,415
Severely disabled child element: For each child who receives the highest rate care component of DLA. You'll get this on top of the child element and disability element £1,385

Is child tax credit affected by how much I earn?

If your household income is £16,385 or below, you'll get the maximum amounts above. If you earn above this, your tax credits award will be reduced by 41p for every £1 you earn above this threshold. As how much you can get depends on your personal circumstances, it's always best to use a benefits calculator to see how much you might be entitled to.

Working tax credit: In detail

It's an oft-heard criticism that some people are better off on benefits than working. The aim of working tax credit has been to give an extra boost to those in work on lower pay to stop that happening.

The payouts fall into three groups:

  • Working over 16 hours a week

    Single parents or those in a couple who are disabled, a carer or over 60.

    Also applies to the working partner if their other half is ill, in hospital or in prison.

  • Working over 24 hours a week

    Couples not claiming for childcare costs need to work at least 24 hours between them (if both are working, one must do a minimum of 16 hours). To claim for childcare costs, both partners need to work at least 16 hours.

  • Working over 30 hours a week

    Provided to those who are over the age of 25 and earning within the income criteria.

As with child tax credit, it's made up of a series of different and separate elements, and the total you get is the sum of all those different parts.

Working tax credit – maximum per element (the more you earn, the less you get)

Basic element: For anyone who works the correct hours (and meets the tax credit criteria above). £3,040
Couples and lone parent element: Either a payment for a second qualifying person in a couple or if you are a single parent. £2,045
30-hour element: An extra payment if you work at least 30 hours a week. (1) £825
Disability element: For working people who are disabled. (2) £3,220
Severe disability element: For each person who receives the highest rate care component of disability living allowance or the higher rate of attendance allowance, you'll get this on top of the disability element. (2) £1,390
Childcare element: Allows you to get back up to 70 per cent of eligible childcare costs to a maximum of £122.50/week (one child) or £210/week (2+ children).  
(1) One payment per couple. (2) One payment per person.

Is working tax credit affected by how much I earn?

If your household income is £6,530 or below, you'll get the maximum amounts above. If you earn above this, your tax credits award will be reduced by 41p for every £1 you earn.

How much you'll get will depend on your personal circumstances, so again, it's best to use a benefits calculator to see how much you could get.

Tax credit Q&A

  • This is any money earned from paid work (overtime only counts if you work the hours regularly), self-employed profits or some benefits (such as contribution-based jobseeker's allowance or employment and support allowance, incapacity benefit – in some cases – or carer's allowance, but not child, housing, council tax or disability benefits).

    It also includes any extra income above £300 you (or a partner) receive from a pension, savings, renting out a property, or things such as a trust or interest in the estate of a person who has died.

    You don't need to include money paid for child maintenance or your children's income, and some maternity benefits are partly excluded – however, you could lose out on an average £495 if you don't deduct the right amount of maternity pay from your gross income.

    For the self-employed, income is any profit made in the last tax year, as submitted on your tax return. If you haven't finished your tax return yet, make a best guess based on your profit so far. If your business is new and you've had no income from it in the last year, you can leave the income section empty.

  • This is an easier scenario than overpayment. Usually your correct payment will be calculated as soon as you send back your renewal forms, or after 31 July if you don't need to send in your review form.

    If you think you've been underpaid at any other time, do a full check on the HMRC calculator and contact the tax credit office helpline on 0345 300 3900 to let it know.

  • You should start to get payments within a few weeks, and you'll be paid weekly or every four weeks straight into your bank account. If you start to work too few hours your payments will continue for four weeks, otherwise you'll no longer get the credit if your eligibility stops.

    For a limited time – due to coronavirus – the Government has said that no one's working tax credits will be stopped if they're temporarily working too few hours to qualify. This will remain in place until the furlough and self-employment support schemes stop paying out. 

  • If you're married or living with someone, then you must put in a joint, rather than single, application. You can only put in a single claim if you don't have a partner. If you're in a permanently separated couple, then you're counted as a single parent and any payment is made to the child's main carer.

  • You only get one payment per couple. For child tax credit or the childcare element of working tax credit, payments are made to the parent who mostly looks after the child. Working tax credit payments will go to either partner, so you need to decide which account the money is paid into.

  • If you're paying for childcare, it's important to include these costs in your tax credit claim, as the money available is huge, and it's possible 100,000s of families are missing out.

    The average weekly payout is around £60 – that's over £3,000 a year!

    See the special Childcare Tax Credits guide for more info on what counts as childcare (from babies in swaddling clothes to stubbly six-foot 15-year-olds).

  • It's easy to do a quick check-up using the HMRC calculator, or search for entitlement to other benefits via the benefits calculator.

  • Your tax credits can stop if there are changes to your family or work life. If you're unsure why your payments have stopped, it's best to contact the tax credits helpline directly on 0345 300 3900.