Free tool · 2026/27

Pension tax relief calculator

See how much tax relief you get on pension contributions, and how much extra higher or additional rate relief you can claim on your tax return. Many higher earners never claim it.

  • Relief at source and net pay
  • Extra relief to reclaim
  • £100,000 taper included
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Free calculator
Free no sign-up needed
  • Updated for 2026/27
  • Instant, private estimate
  • Accountant review available
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Work out your pension tax relief

Uses 2026/27 rates. Nothing is stored or sent.

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Who it’s for

Who this calculator is for

Anyone paying into a pension.

📈

Higher rate taxpayers

Claim the extra 20%.

💷

Earners over £100,000

Restore your allowance.

🧑‍🔧

Self-employed

Personal pensions and SIPPs.

👨‍👩‍👧

Child Benefit families

Reduce the HICBC.

Packages & prices

Want us to file it for you?

Use the calculator for free, then let a Chartered Certified Accountant prepare and file your return. VAT included.

Starter
Straightforward returns and simple sole traders.
£150
per year · incl. VAT
  • Self Assessment tax return
  • Tax calculation explained
  • Online filing with HMRC
  • Deadline reminders
Start my return
Most popular
Growth
Self-employed, landlords, directors or several income sources.
£250
per year · incl. VAT
  • Everything in Starter
  • Self-employment or rental schedules
  • Expense and allowance review
  • Payments on account planning
Start my return
Complete
Bookkeeping, MTD, several properties, crypto or foreign income.
Quote
fixed fee
  • Everything in Growth
  • Capital gains and crypto
  • Foreign income and relief
  • Making Tax Digital support
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All prices include VAT.

What’s included

What the calculator works out

Using 2026/27 rates.

  • Gross contribution into your pension
  • Basic relief added by your provider
  • Extra relief to claim via Self Assessment
  • Tax saved through payroll for net pay schemes
  • Real cost to you
  • Effect of the £100,000 taper
How it works

A seamless, fully online process

Enter your income

Before pension contributions.

Enter your contribution

The amount you pay.

Choose the scheme

Relief at source or net pay.

See your relief

And what to claim.

Rules used

Pension tax relief

TaxpayerRelief
Basic rate20%, added by the provider
Higher rate40% (extra 20% claimed)
Additional rate45% (extra 25% claimed)
Annual allowance£60,000 (tapered for very high earners)

How does pension tax relief work?

In short: with relief at source, you pay 80% and your provider adds 20%. Higher and additional rate taxpayers claim the rest through their tax return. With a net pay scheme, contributions come out of pay before tax, so relief is automatic.

A worked example

Someone earning £60,000 pays £8,000 into a SIPP. The provider adds £2,000, so £10,000 goes in. They can claim a further £1,946 through Self Assessment, so the real cost is about £6,054.

Claiming relief

Our high earner tax returns service makes sure you claim it and can backdate missed relief. Contributions also reduce the Child Benefit charge. More on our tax calculators page.

Official guidance: Tax on your private pension contributions

Saver working out pension tax relief
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FAQs

Frequently asked questions

How much tax relief do I get on pension contributions?
At your highest rate of Income Tax: 20%, 40% or 45%.
How do I claim higher rate pension relief?
Through your Self Assessment return, or by asking HMRC to adjust your tax code.
Can I backdate missed relief?
Yes, usually for up to four tax years.
What is the annual allowance?
£60,000, or 100% of earnings if lower. It tapers for very high incomes.
Do pension contributions reduce the Child Benefit charge?
Yes. They reduce adjusted net income.
Can you claim it for me?
Yes, as part of your tax return.

Claim your pension relief

Share a few details and a qualified accountant will respond with a fixed-fee proposal, usually within one working day. All prices include VAT.

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