How much to pay into a Tax-Free Childcare account each month
Learn how to estimate monthly childcare costs and decide what to pay into your Tax-Free Childcare account, taking account of changing bills and your available balance.
The TFC Calculator Editorial Team
Source-checked childcare costs and support guidance

Your nursery bill is due on Friday, but this month it includes an extra session. Next month might be cheaper. If you pay the same amount into your Tax-Free Childcare account every payday, will it be enough, or will you leave more money in the account than you meant to?
There is no set monthly amount you must pay in. The useful starting point is the childcare you expect to pay for, less any money already in the account. Then work out how much of the remaining bill you need to put in yourself.
This guide shows the arithmetic, including what changes when you reach the government top-up limit. The examples are budgeting estimates, not eligibility decisions.
The rule: you pay £8 and the government adds £2
With Tax-Free Childcare, you pay money into a childcare account and use the account to pay your provider. For every £8 you pay in, the government adds £2. So, while you are eligible and have top-up available, your deposit covers 80% of the amount you need and the top-up covers 20%.
The top-up is limited to £500 per child every three months, up to £2,000 a year. For a disabled child, the limit is £1,000 every three months, up to £4,000 a year. You must also sign in every three months to confirm that your details are up to date. These are the GOV.UK Tax-Free Childcare rules.
For a straightforward bill with no money already in the account:
- Bill: £600
- Your deposit: £600 × 80% = £480
- Government top-up: £600 × 20% = £120
- Amount available to pay the provider: £480 + £120 = £600
Do not simply pay £600 into the account to cover a £600 bill. If the full top-up applies, that deposit would attract another £150 and leave £750 in the account.
Work out this month’s payment in four steps
1. Start with what you actually expect to owe
Use your provider’s prices, booked sessions and any known extras to make a monthly estimate. Ask the provider to clarify charges you are unsure about. Your figure might include nursery sessions, a childminder, a breakfast club or a holiday club, provided the care qualifies and the provider is signed up to Tax-Free Childcare.
Keep your estimate tied to the amount you need to pay, rather than the provider’s full price list. For example, if funded childcare reduces what you pay, budget for the remaining charges. You may need to check those charges with your provider rather than assume a particular invoice layout.
2. Subtract the account balance you can use
Look at your current childcare account balance before deciding on another deposit. Money already there can help cover the next payment; you do not need to fund the same part of a bill twice.
For this calculation, treat the existing balance as money already in the account, including any top-up previously added. Do not apply another 20% to that balance.
3. Calculate 80% of the shortfall, if top-up is available
Suppose your next bill is £900 and your account already holds £160. Assume you are eligible, the full top-up is available on your new deposit, and the balance can be used for this bill:
- £900 bill − £160 existing balance = £740 still needed.
- £740 × 80% = £592 for you to pay in.
- £592 × 25% = £148 government top-up.
- £160 existing balance + £592 deposit + £148 top-up = £900.
Why multiply your deposit by 25% in step three? The government adds £2 for each £8 you put in, and £2 is 25% of £8. That top-up is 20% of the combined £10.
4. Check whether the three-month limit changes the answer
The 80% shortcut works only for the part of your bill that can still attract top-up. If you have reached the applicable three-month limit, you must fund any further shortfall yourself. Do not assume that every deposit in a high-cost month will receive the full top-up.
A simple planning formula is:
Amount to pay in = bill still to fund − top-up you expect to receive on that deposit.
When you are unsure how much top-up remains for the relevant three-month period, use a cautious budget estimate rather than treating the full 20% as guaranteed. Check your account and the applicable rules before relying on a precise deposit amount.
Should you set up a fixed monthly payment?
A fixed standing order can make payday budgeting easier, particularly if your childcare bill barely changes. GOV.UK says you can pay into a Tax-Free Childcare account by Direct Debit, standing order or bank transfer. Your payment will usually appear in the account within one working day, with the government payment added at the same time. “Usually” matters: leave time before your provider’s payment deadline rather than paying in at the last minute.
A fixed amount is a starting estimate, not a reason to stop checking bills and balances. Consider these two approaches:
- Mostly steady bills: Estimate your usual monthly amount, set a regular payment you can afford, then check the balance and upcoming bill each month.
- Bills that move around: Calculate your deposit when you know the charges, or make a smaller regular payment and add a variable amount when needed.
For example, suppose your regular bill is £700 a month, your opening balance is £0, and you expect to remain eligible with sufficient top-up available. Your estimated deposit is £700 × 80% = £560 a month. The expected top-up is £140, making £700 available.
If an extra day raises one month’s bill to £780, that month needs another £80. Assuming top-up is still available, an extra £64 deposit would attract £16 top-up. Next month, return to the usual estimate if the bill returns to £700. Check the account balance first in case you have money left from an earlier month.
What if childcare costs change during the three months?
This is where a monthly average can mislead you. Take a parent returning to work whose nursery charges are £950 in month one, £950 in month two and £1,250 in month three. Assume one child, a £0 opening balance, continued eligibility, no other account deposits or childcare payments, and that all three bills fall within the same three-month top-up period.
The total bill is £950 + £950 + £1,250 = £3,150. A simple 80% calculation suggests parent deposits of £2,520 and top-up of £630. But the standard top-up limit is £500 per child every three months. On these assumptions, the parent must pay £3,150 − £500 = £2,650 overall.
One way the payments could work is:
| Bill | Parent pays in | Government adds | Total available for bill |
|---|---:|---:|---:|
| Month one: £950 | £760 | £190 | £950 |
| Month two: £950 | £760 | £190 | £950 |
| Month three: £1,250 | £1,130 | £120 | £1,250 |
| Total | £2,650 | £500 | £3,150 |
By month three, only £120 of the assumed £500 top-up remains. That is why paying in £1,000 and expecting £250 top-up would leave this example short.
Practical next step: If your costs are high, total the bills you expect across the relevant three months as well as looking at each month separately. For the standard limit, £500 top-up corresponds to £2,000 of qualifying parent deposits at the £8-to-£2 rate. Beyond the available top-up, allow for paying the rest yourself.
Plan for funded hours and school-age care separately
Your Tax-Free Childcare deposit should reflect the charges left to pay after any funded childcare you use. In England, eligible working parents of children aged 9 months to 4 years can get 30 hours a week for 38 weeks of the year through Free Childcare for Working Parents. Eligibility depends on circumstances, and the funded weeks may not match a nursery bill that runs throughout the year. Check the England scheme’s eligibility guidance and ask your provider what you will be charged across funded and non-funded weeks.
Tax-Free Childcare is a UK-wide scheme and can be used alongside England’s working-parent funded hours or similar schemes in Scotland, Wales and Northern Ireland, according to HMRC’s Tax-Free Childcare overview. Do not assume England’s hours or arrangements apply in another nation; check the provision where you live.
For a school-age child, your budget may shift from nursery fees to breakfast clubs, after-school clubs and holiday clubs. Tax-Free Childcare can help pay for qualifying care outside school hours, but not compulsory education. Check that a club is approved and signed up before including its charges in your plan. GOV.UK explains approved childcare and where to check providers in each UK nation.
Check the scheme before relying on the savings
A neat spreadsheet cannot confirm that your family is eligible. As a brief check, Tax-Free Childcare usually requires you, and your partner if you have one, to be working or returning to work and to meet income conditions. A child is eligible until the September after they turn 11, or 16 if they meet the disabled-child rules. Neither you nor your partner can have expected adjusted net income over £100,000 for the current tax year. Other conditions and exceptions apply, so use the official eligibility guidance before budgeting on a top-up.
Universal Credit and childcare vouchers need particular care: you cannot get Tax-Free Childcare at the same time as either. Check which support applies to you before changing an existing arrangement. An estimate showing a potential Tax-Free Childcare saving is not a recommendation to switch.
If you do not yet have an account, check eligibility, ask your provider whether they are signed up, and apply through the GOV.UK Tax-Free Childcare service. Once you have an account, remember the three-monthly confirmation as well as the monthly bill.
Your next payday checklist
- Write down the next childcare payment due, including sessions and known extras.
- Check your childcare account balance and subtract the amount you can use for that payment.
- Estimate your deposit: use 80% of the shortfall only where you expect the full top-up to apply.
- Look across the three months, especially if bills are high or a holiday-club payment is coming.
- Pay in with time to spare, then check that enough is available before paying the provider.
The right monthly payment is not necessarily the same every month. It is the amount that covers your next real childcare cost, after allowing for the balance you already have and the top-up you can reasonably expect.