Estimate tax relief on pension contributions in the UK.
Tax Relief
£200.00
Estimated total tax relief.
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About the UK Pension Tax Relief Calculator
Pension tax relief is worth more than most people realise, and for one group it is worth far more than the headline rates suggest. A basic rate taxpayer paying £1,000 into a pension gets £200 of relief. A higher rate taxpayer gets £400. But someone earning between £100,000 and £125,140 can get £600 back on the same £1,000 — an effective 60% — because the contribution also restores personal allowance that their income had stripped away. That band is the single most valuable thing to understand about pension contributions in the UK, and almost no calculator surfaces it. This one does. It works out relief at your actual marginal position rather than applying a flat rate, splits a contribution across bands where it straddles them, and accounts for the personal allowance being restored as your adjusted income falls. Relief is not a rebate on the pension itself; it is a reduction in the tax you pay on the income you contributed. Basic rate relief is usually added to your pot automatically by the provider. Anything above basic rate you have to claim, and that is money a great many higher rate taxpayers never collect.
Mathematical Formula & Logic
Relief works by treating your pension contribution as coming out of the top of your income first. Take your gross income, subtract the contribution, and the tax you save is the difference between what you would have paid on that income and what you now pay. Because the contribution comes off the top, it is relieved at your highest marginal rate first, then the next rate down if it is large enough to cross a band boundary. For 2026/27 the bands are 20% up to £50,270 of total income, 40% from £50,271 to £125,140, and 45% above that. A contribution that straddles a boundary is split: someone earning £55,000 who contributes £10,000 gets 40% on the £4,730 that sits in the higher band and 20% on the remaining £5,270, which is £2,946 rather than a flat £2,000 or £4,000. The personal allowance adds a second effect between £100,000 and £125,140. In that range the £12,570 personal allowance is withdrawn at £1 for every £2 of income, so it is entirely gone at £125,140. A pension contribution reduces the income used for that test, restoring allowance as it goes. Contributing £10,000 from an income of £110,000 both attracts 40% relief on the contribution and restores £5,000 of personal allowance, itself worth 40%. The total relief is £6,000 on a £10,000 contribution — 60%. Two limits apply. The annual allowance is £60,000, covering everything paid in by you and your employer together, with unused allowance carried forward from the previous three tax years. That allowance is tapered for people whose threshold income exceeds £200,000 and whose adjusted income exceeds £260,000.
Step-by-Step Example
Four worked examples, moving up the income scale.
Example 1: basic rate. You earn £30,000 and contribute £1,000. All of it sits within the basic rate band, so relief is 20%, which is £200. Your provider normally adds this to the pot automatically, so a £1,000 net payment becomes £1,250 gross. Nothing needs to be claimed.
Example 2: higher rate, contribution entirely within the band. You earn £60,000 and contribute £4,000. Your income above £50,270 is £9,730, comfortably more than the contribution, so the whole £4,000 is relieved at 40%, giving £1,600. Only the first 20% arrives automatically; the other £800 must be claimed through Self Assessment or by contacting HMRC.
Example 3: a contribution that straddles two bands. You earn £55,000 and contribute £10,000. Only £4,730 of your income sits above the higher rate threshold, so that slice gets 40% relief worth £1,892. The remaining £5,270 of the contribution falls back into the basic rate band and gets 20%, worth £1,054. Total relief is £2,946. Assuming a flat 40% would have overstated it by more than a thousand pounds.
Example 4: the 60% band. You earn £110,000 and contribute £10,000. The contribution attracts 40% relief, worth £4,000. It also reduces the income used for the personal allowance taper from £110,000 to £100,000, restoring £5,000 of personal allowance, which is itself worth 40%, or £2,000. Total relief is £6,000 on a £10,000 contribution. For anyone in that income range, pension contributions are the most tax-efficient thing available to them by a wide margin.
Reference Data & Values
label
value
Basic rate relief
20% — usually added by your provider automatically
Higher rate relief
40% — the extra 20% must be claimed
Additional rate relief
45% above £125,140 of income
Effective relief, £100,000 to £125,140
Up to 60%, from the restored personal allowance
Annual allowance
£60,000, including employer contributions
Carry forward
Unused allowance from the previous 3 tax years
Tapered allowance applies when
Threshold income over £200,000 and adjusted income over £260,000
Basic rate band
Up to £50,270 of total income
Frequently Asked Questions
At least 20%, and up to 45% depending on your income. But the honest answer is that it depends on where the contribution sits in your income, not on a single rate. A contribution that crosses a band boundary is relieved partly at one rate and partly at the next. And between £100,000 and £125,140 the effective rate reaches 60% because the contribution also restores personal allowance. Enter your figures above rather than assuming a flat percentage.
Because two things happen at once. The contribution itself is relieved at 40%. It also reduces the income used to test the personal allowance taper, and in that range every £2 of reduction restores £1 of personal allowance, which is itself relieved at 40%. Contributing £10,000 from £110,000 gives £4,000 of direct relief plus £2,000 from the restored allowance. It is the highest effective relief available to anyone in the UK tax system.
Yes, and this is where money is routinely left unclaimed. Basic rate relief of 20% is added to your pot by the provider without you doing anything. The additional 20% or 25% for higher and additional rate taxpayers is not — you claim it through Self Assessment, or by contacting HMRC directly if you do not file a return. You can usually backdate a claim four tax years, so it is worth checking if you have been contributing without claiming.
£60,000 in the current tax year, and it covers everything paid into your pensions — your own contributions, your employer contributions, and any increase in the value of a defined benefit scheme. It is not £60,000 each. If you have unused allowance from the previous three tax years you can generally carry it forward, which is what allows an occasional large contribution after a bonus or a business sale.
The excess is subject to a tax charge that effectively removes the relief you received on it. Your provider will send you a statement if you exceed the allowance in their scheme, but if you are in more than one scheme you have to ask each of them and add the figures up yourself. You report the charge on the pension savings section of your Self Assessment return even if your pension provider pays it on your behalf.
It can. A tapered allowance applies if your threshold income exceeds £200,000 and your adjusted income exceeds £260,000 — both conditions must be met, which is why some very high earners keep the full allowance while others do not. The two income measures are defined differently and are genuinely fiddly to calculate. If you are near those figures, this is a point to take advice on rather than estimate.
They are taxed at opposite ends and suit different purposes. A pension gives relief going in and is taxed coming out, apart from the tax-free lump sum. An ISA gives no relief going in and is entirely tax free coming out. For retirement money a pension usually wins on arithmetic, especially with employer contributions and especially in the 60% band. An ISA wins on flexibility, because you can access it at any age. Many people use both.
Yes, within a limit. Non-earners and low earners can still contribute and receive basic rate relief on a modest amount each year, which is why pensions are sometimes opened for children or non-working spouses. Above that floor, relief is generally limited to your relevant UK earnings for the year — you cannot get relief on contributions larger than you earned, however much you pay in.