Tax-Free Childcare vs Childcare Vouchers — Net Benefit by Household

How each scheme works

Tax-Free Childcare (TFC): government tops up parent contributions by 25%. For every £8 you pay into the TFC account, the government adds £2 — up to a maximum top-up of £2,000/year per child (£4,000 if disabled). Eligibility requires each parent to earn ≥£167.94/wk (16 hours at National Living Wage), and neither earning over £100,000. Children must be 11 or under (16 if disabled).

Childcare vouchers (legacy): salary sacrifice scheme. Employees give up part of salary in exchange for vouchers, saving income tax + NI on the sacrificed amount. Limits: £55/week basic-rate (~£2,860/yr), £28/week higher-rate (~£1,456/yr), £25/week additional-rate (~£1,300/yr). The combined tax + NI saving is around 32% basic-rate, 42% higher-rate, 47% additional-rate. Closed to new joiners October 2018; existing members can continue with the same employer.

Worked comparison

Annual government benefit assuming the family uses up to the relevant limit:

What this shows

Tax-Free Childcare almost always wins for families with annual childcare spend above ~£8,000 — TFC is uncapped per child whereas vouchers are capped at £2,860/yr (basic-rate) regardless of household childcare spend. For lower-spend households (below £8,000/yr) and higher-rate taxpayers still on the voucher scheme, vouchers can occasionally be marginally better. Above £100,000 salary, TFC is not available — the voucher scheme remains the only employer-side option (if you joined before October 2018).

Why the comparison is asymmetric

The two schemes are structurally asymmetric in three ways. First, scope of eligibility: vouchers are limited to PAYE employees of participating employers (which used to be most large employers but is now declining as the scheme is closed to new joiners), whereas TFC is available to any working parent meeting the household income criteria, including the self-employed. Second, scope of benefit: vouchers offer a fixed weekly cap regardless of childcare spend, whereas TFC scales with spend up to a generous annual cap. Third, scope of children: vouchers usually treat children collectively (one weekly cap per parent), whereas TFC provides separate per-child caps that compound for multi-child families.

For low childcare spend the voucher cap may be sufficient and the salary-sacrifice mechanism provides tax + NI savings, beating TFC's flat twenty-five percent top-up rate for higher-rate taxpayers. For moderate to high childcare spend TFC's per-child structure delivers materially more government benefit.

Historical context of the policy shift

The childcare voucher scheme was a New Labour-era initiative dating from 2005, designed as a salary-sacrifice mechanism that gave employers a recruitment-and-retention tool while delivering modest tax-and-NI relief to working parents. The scheme was always criticised as regressive on two grounds: first, employees of small employers without a voucher scheme were excluded by employer participation rather than family circumstance; second, the higher-rate tax savings flowed disproportionately to higher earners, with basic-rate participants gaining proportionately less than higher-rate participants per pound of childcare spend.

Tax-Free Childcare, introduced from 2017 onward and closed-to-new-joiners replacing vouchers from October 2018, was explicitly designed to address both criticisms. The benefit scales linearly with childcare spend up to a per-child cap, providing direct support to the family rather than indirect tax-and-NI relief routed through the salary-sacrifice mechanism. Coverage extends to the self-employed, contractor workers, and employees of any size employer.

The migration design — existing voucher participants can continue indefinitely with their current employer, but cannot rejoin after a fifty-two-week break, and any new joiner since October 2018 must choose TFC — was an attempt to allow households who had optimised for voucher participation to maintain that optimisation while preventing the legacy scheme from expanding. Around half of pre-2018 voucher participants have transitioned to TFC voluntarily, generally those with growing childcare costs as children age into more expensive nursery or wraparound-care arrangements.

Universal Credit interaction

Universal Credit includes a childcare element that reimburses up to 85% of childcare costs (subject to monthly caps that depend on number of children) for low-income working parents. UC childcare is mutually exclusive with both TFC and vouchers — claimants must choose one route. For most UC claimants, the UC childcare element pays more than TFC could (since the reimbursement rate is higher), so the choice usually defaults to UC childcare. For households on the UC taper boundary, running both calculations matters.

The taper interaction adds another complication: UC payments reduce by 63p for every £1 of earnings above the work allowance. So a household where one earner is on the taper edge needs to factor in how TFC versus UC childcare affects their overall net income, including the cliff-edge consequences of moving above or below the UC threshold.

Mathematical implication for typical households

For most working households with children in regular paid childcare, the practical implication of the TFC structure is that the government pays for roughly twenty percent of childcare costs (the £2 top-up on every £8 the parent pays equals twenty percent of the total deposited amount). For a household spending £10,000 per year on childcare per child, the government contributes approximately £2,000 per year — provided household income falls under the eligibility cap and the parent earns enough to qualify as a working parent.

The per-child caps are the critical constraint for multi-child families. A household with three children in nursery care, each costing £8,000 per year, receives up to £6,000 per year of government top-up under TFC — a meaningful subsidy that genuinely affects household budgeting decisions. The voucher scheme provided no such per-child compounding: a basic-rate parent's vouchers cap at around £2,860 per year regardless of whether they have one child or four in childcare.

The cliff edge at the £100,000 boundary

One overlooked complication of TFC is the absolute cliff edge at the £100,000 adjusted-net-income threshold. A household where one parent earns £99,000 receives the full TFC benefit; the same household where the same parent earns £101,000 receives nothing. There is no taper. Combined with the personal-allowance taper above £100,000 (which removes £1 of personal allowance for every £2 of income above £100,000 up to £125,140), the effective marginal tax rate around the £100,000 boundary can exceed sixty percent — making it financially counterproductive to accept a small pay rise from £99,000 to £105,000.

For higher-earning households this creates strategic complications: salary sacrifice into pension can reduce adjusted net income below £100,000, restoring TFC eligibility while also benefiting from pension tax relief. Bonus deferrals and timing of share-vesting can similarly affect annual adjusted net income. The TFC eligibility test is genuinely binary, which makes pension and remuneration planning meaningful for higher-earning families considering paid childcare.

Practical decision rules

• If childcare spend exceeds £8,000/year per family — TFC wins, often by £1,500+/year.
• If household earner crosses £100,000 — TFC is unavailable; voucher scheme (if eligible) is the only employer route.
• If receiving Universal Credit childcare element — both TFC and vouchers are mutually exclusive with UC childcare. Run the UC calculator separately.
• If two children and high spend — TFC compounds (separate £2,000 per child); vouchers do not.

For full editorial methodology see our methodology page. Statutory rates and scheme rules verified against the HMRC Tax-Free Childcare official guidance and the Childcare Choices DfE/HMRC reference site at childcarechoices.gov.uk.

Reviewed byPlainMaternity Editorial, Editorial Team