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PensionEnter the monthly contribution you want to go into your pension. The calculator shows the net cost to your take-home, basic-rate relief auto-added by the provider, and higher/additional-rate relief you reclaim through self-assessment.
Runs entirely in your browser — your numbers are never sent to a server.
Three mechanisms by scheme type:
If you pay higher or additional rate and your scheme is relief-at-source, HMRC does not know to give you the extra relief automatically. You must either:
Many higher-rate taxpayers never claim this. Estimates suggest £1bn+ a year unclaimed.
£60,000/year gross contributions, or 100% of UK earnings, whichever is lower. Carry-forward of unused allowance from the past 3 years is possible if you were a member of a pension scheme in those years.
Yes — salary sacrifice saves NICs (National Insurance) on top of income tax, which SIPP contributions do not. If your employer offers it, usually preferable.
You still get basic-rate relief (20%) added to your contribution — this is a special "non-tax-payer" rule. You can't claim more.
Yes if you have unused carry-forward from the past 3 years. Over the limit incurs a tax charge equal to your marginal rate on the excess.
Illustrative calculation. Not personalised financial advice. Rates, bands and allowances for the 2026/27 UK tax year, verified against gov.uk at time of review. For regulated advice consult an FCA-authorised adviser.