Pension Tax Relief Calculator UK 2026/27
Calculate how much pension tax relief you receive on contributions at basic, higher, or additional rate. Updated for 2026/27 — see the actual net cost of investing in your pension after HMRC's contribution.
Your Contribution
Tax Relief Received
£1,000
Net cost to you: £4,000
How Tax Relief Works
Gross Pension Contribution
Basic Rate Relief (20%)
Assumes a relief-at-source contribution
Higher Rate Relief (0%)
No extra relief above basic rate
Your Net Cost
💡 On a relief-at-source basis, someone using the 20% Basic Rate profile contributing £5,000 only pays £4,000 out of pocket in total.
Non-taxpayers can still usually receive 20% relief on up to £3,600 gross each tax year. Net pay workplace schemes work differently.
Financial Disclaimer
pension-calculator.co.uk provides free educational tools and information only. Nothing on this website constitutes regulated financial advice under the Financial Services and Markets Act 2000. Pension calculations are estimates based on assumed growth rates, inflation, and contribution levels. Actual results will vary. Tax treatment depends on your individual circumstances and may change. Please consult an FCA-regulated financial adviser before making any investment or pension decisions. Find an FCA-regulated adviser.
The £100k–£125k pension trap that saves you 60% tax
If you earn £100,000–£125,140, your effective tax rate is 60% — the highest in the UK. Every £2 earned above £100k loses £1 of your personal allowance. A £12,570 pension contribution by someone earning £112,570 can save over £7,500 in tax — the single most powerful pension tax relief available anywhere.
How Pension Tax Relief Works in 2026/27
Pension tax relief is one of the most powerful financial incentives available to UK savers. The government effectively refunds the income tax you would have paid on money invested in a pension — making pensions one of the most tax-efficient savings vehicles in the UK.
For 2026/27, the personal allowance remains frozen at £12,570 (unchanged since 2021 and frozen until April 2028 under current legislation). This means more people are being pulled into higher tax bands through fiscal drag — making pension tax relief even more valuable for those whose pay rises have pushed them above thresholds.
It's worth noting that pension contributions also reduce your adjusted net income for tax purposes. This can be important if your income exceeds £100,000 — where every £2 of income above £100,000 reduces your personal allowance by £1, creating an effective 60% tax rate on income between £100,000 and £125,140. Pension contributions in this bracket can recover your personal allowance and provide 60% effective relief.
Tax Relief Rates by Band (2026/27)
| Taxpayer Type | Income Range | Tax Rate | £1,000 to pension costs | HMRC uplift |
|---|---|---|---|---|
| Non-taxpayer | Under £12,570 | 0% | £800* | 25%* |
| Basic Rate | £12,571–£50,270 | 20% | £800 | 25% |
| Higher Rate | £50,271–£125,140 | 40% | £600 | 67% |
| Personal Allowance Trap | £100,001–£125,140 | 60% effective | £400 | 150% |
| Additional Rate | Over £125,140 | 45% | £550 | 82% |
*Non-taxpayers can contribute up to £2,880/year net and receive 20% basic rate relief added by the provider. Income bands based on 2026/27 tax rates (personal allowance frozen at £12,570).
Relief at Source vs Net Pay — Which Do You Have?
Relief at Source
Used by: Personal pensions, SIPPs, NEST, and most auto-enrolment schemes
You pay contributions net of 20% basic rate tax. Your provider claims the 20% from HMRC and adds it to your pot. Higher rate taxpayers claim the additional 20% via Self Assessment or by contacting HMRC.
Net Pay Arrangement
Used by: Most large employer workplace pensions and public sector schemes
Contributions are deducted from your gross pay before income tax is calculated. You automatically receive tax relief at your marginal rate — no need to claim separately. Does not work for non-taxpayers.
The Annual Allowance & Carry Forward (2026/27)
The annual allowance is £60,000 for 2026/27 — or 100% of your earnings if lower. This covers all contributions, including your employer's. High earners with adjusted income above £260,000 have a tapered allowance, reducing by £1 for every £2 of income above £260,000, down to a minimum of £10,000.
Carry forward allows you to use unused annual allowance from the previous three tax years (2023/24, 2024/25, 2025/26), potentially enabling contributions of up to £220,000 in a single year if you had unused allowance in previous years. This is particularly useful after selling a business, receiving a large bonus, or during a year of high income. You must use the current year's full allowance first.
Use our Salary Sacrifice Calculator to see how combining salary sacrifice with personal contributions can maximise both tax efficiency and pension input.
Worked Examples: Tax Relief at Every Rate (2026/27)
The following worked examples show the real net cost of pension contributions at different income levels after accounting for full tax relief.
Emma — Basic Rate Taxpayer (£35,000 salary)
Emma saves an additional £400 in NI by using salary sacrifice instead of a personal contribution.
David — Higher Rate Taxpayer (£70,000 salary)
David must actively claim the additional 20% relief via Self Assessment if not using salary sacrifice.
Rachel — Personal Allowance Trap (£110,000 salary)
A £10,000 pension contribution brings Rachel's income below £100,000, restoring her personal allowance and saving £6,000 in income tax.
How Pension Tax Relief Boosts Your Long-Term Returns
Beyond the immediate tax saving, pension tax relief has a compounding effect over decades. Because the relief effectively gives you "free money" at the point of contribution, it provides a head-start on investment growth. Consider a basic rate taxpayer contributing £6,000/year (gross) to their pension:
- Without tax relief in an ISA: you would need to earn £6,000 net of tax to make this contribution
- With pension tax relief: you only need £4,800 net to achieve the same £6,000 gross pension contribution
- At 5% annual growth over 30 years: £6,000/year → approximately £415,000
- The £1,200/year saving in take-home cost (via tax relief) is itself worth approximately £83,000 over 30 years if invested
For higher rate taxpayers, the maths is even more compelling. The same £6,000/year gross pension contribution costs just £3,600 net (after full 40% relief via salary sacrifice), while a similarly funded ISA would require £6,000 of post-tax income. The pension is effectively generating a 66% instant return on the net investment — before a single penny of investment growth is achieved.
This is why maximising pension tax relief — particularly for higher rate taxpayers and those with income in the personal allowance withdrawal zone — is one of the most powerful financial planning actions available. Use our Salary Sacrifice Calculator to see how to combine tax relief with NI savings for maximum efficiency.
Common Pension Tax Relief Mistakes to Avoid
Failing to claim higher rate relief
Millions of higher rate taxpayers fail to claim their additional 20% pension tax relief via Self Assessment each year. HMRC estimates this costs individuals an average of £1,000 per year in unclaimed relief. Check your situation now and contact HMRC to claim backdated relief if applicable.
Exceeding the annual allowance
Contributing more than £60,000 (or your earnings, if lower) in a tax year triggers an annual allowance charge at your marginal rate. This catches people who receive large employer contributions alongside personal contributions, or those using carry forward incorrectly. Check your total contributions annually.
Triggering the Money Purchase Annual Allowance (MPAA)
If you have already flexibly accessed your pension (e.g., started drawdown), your future pension contributions are limited to £10,000/year (the MPAA), not £60,000. This catches people who dip into their pension while still earning. Seek advice before flexibly accessing your pension if you intend to continue contributing.
Missing contributions in years of low or no income
Even non-earners can contribute £2,880/year net (£3,600 gross) and receive basic rate relief. This is valuable for non-working spouses, career breakers, or those in a gap year. The effective 25% uplift is available regardless of your tax status.
Frequently Asked Questions
Related Calculators
Our editorial team comprises pension specialists and financial writers who create clear, accurate, and unbiased educational content. All content is reviewed regularly to ensure accuracy.