The annual pension allowance for 26-27 is £60,000 — but if you did not use your full allowance in previous years, you can carry the unused portion forward and contribute more this year. Pension carry forward is one of the most powerful (and underused) tax planning tools available to UK taxpayers. It allows you to make a much larger pension contribution in a single year, sheltering significant income from tax.
This is particularly valuable for higher earners who have received a bonus, sold a business, or simply want to accelerate their retirement savings. With income tax relief at 20%, 40%, or 45% depending on your marginal rate, the tax saving on a large carry-forward contribution can run into tens of thousands of pounds.
How does pension carry forward work?
You can carry forward unused Annual Allowance from up to three previous tax years, starting with the earliest year first. The current year's £60,000 allowance is always used first — only when your contributions exceed that amount do the carried-forward amounts come into play. This means you need to contribute more than £60,000 in the current year before carry forward is relevant.
You must have been a member of a registered pension scheme in each year you want to carry forward from. This includes workplace pensions, SIPPs, and personal pensions. The contribution in those years can have been zero — it is the scheme membership that matters. If you were auto-enrolled into a workplace pension (even with minimal contributions), you qualify for carry forward from that year.
The order of use is strictly chronological: the earliest unused allowance is consumed first. For 2026/27, you can carry forward from 2023/24, then 2024/25, then 2025/26. Any unused allowance from 2022/23 or earlier is lost — the three-year window has closed.
What is the Annual Allowance history for carry forward calculations?
The Annual Allowance has been £60,000 since 2023/24. For carry forward purposes in 2026/27, the relevant allowances are:
- 2023/24: £60,000
- 2024/25: £60,000
- 2025/26: £60,000
- 2026/27 (current year): £60,000
If you contributed nothing to any pension in the three previous years and were a scheme member throughout, your maximum contribution in 2026/27 is £240,000 (four years × £60,000). In practice, most people will have had at least some employer contributions in those years, so the real carry-forward headroom is usually less than the theoretical maximum.
To calculate your available carry forward, add up all pension contributions (both yours and your employer's) in each of the previous three years and subtract each from that year's Annual Allowance. The total unused amount across all three years, plus this year's £60,000, is your maximum contribution for 26-27.
How does the earnings cap limit pension contributions?
Tax relief on pension contributions is limited to your relevant UK earnings in the tax year. If you earn £80,000, you can only get tax relief on contributions up to £80,000 — even if your carry forward headroom allows more. This means high carry-forward allowances are only fully usable if your earnings in the contribution year are equally high.
Employer contributions count towards the Annual Allowance (and therefore reduce carry-forward headroom) but are not limited by your personal earnings. This creates a planning opportunity: if your employer is willing to make a large one-off contribution, it can use carry-forward headroom without being constrained by your salary. Company directors with retained profits often use this route.
For someone earning £150,000, the earnings cap is not a constraint — they can use the full carry-forward amount if available. But for someone earning £45,000 with £180,000 of carry-forward headroom, they can only contribute £45,000 (plus any employer contributions) and receive tax relief.
Who benefits most from pension carry forward?
Carry forward is most valuable for people in specific financial situations. Higher earners who receive a large bonus or windfall can shelter a significant lump sum from tax in one go, claiming relief at 40% or 45%. Someone receiving a £100,000 bonus who has three years of unused allowance could contribute the entire amount to their pension, saving up to £40,000 in income tax immediately.
People trapped in the £100,000– £125,140 band particularly benefit. A large pension contribution reduces adjusted net income, and if it brings income below £100,000, the full Personal Allowance of £12,579 is restored. This creates an effective marginal relief of up to 60% on the contribution — the highest tax relief rate available for pension contributions in the UK.
Freelancers and self-employed workers with variable income can also use carry forward strategically. Low-income years naturally build up unused allowance (since contributions are typically lower), which can then be deployed in a high-income year to smooth out the tax position. A consultant who earns £30,000 one year and £120,000 the next can make a large contribution in the high year using the unused allowance from the low year.
How does the tapered Annual Allowance interact with carry forward?
If your “threshold income” exceeds £200,000 and your “adjusted income” exceeds £260,000, your Annual Allowance is tapered down by £1 for every £2 above £260,000, to a minimum of £10,000. However, carry forward uses the allowance that applied in the year being carried forward — not today's (potentially tapered) allowance. This means someone now subject to tapering can still carry forward the full £60,000 from years when their income was lower.
The interaction is complex but powerful. If you expect tapering in the current year, using carry forward from un-tapered years effectively gives you access to a larger total allowance than your current-year entitlement alone would suggest. It is worth working through the calculation carefully (or with an adviser) because the tax saving can be substantial.
Note that the tapered Annual Allowance was £4,000 prior to 2023/24 but is now £10,000 minimum. If you are carrying forward from 2023/24 or later, the minimum in those years was £10,000. The change makes carry forward less restrictive for very high earners than it was under the older, more aggressive taper rules.
How do I claim tax relief on a carry-forward contribution?
Basic rate relief (20%) is added automatically by your pension provider. If you contribute £10,000 net, your pension receives £12,500 gross. Higher and additional rate relief must be claimed through Self-Assessment. On your tax return, you declare the gross pension contribution and HMRC extends your basic rate band accordingly, giving you the additional relief.
For carry-forward contributions, there is no separate form or box — you simply declare the full gross contribution on your Self-Assessment return. HMRC automatically checks that you have sufficient carry-forward headroom based on previous years' returns. If you contribute more than the current year's £60,000 allowance, the excess is treated as using carry forward.
The relief is applied in the year of contribution, not spread over the years from which the allowance is carried. This means a single large contribution in a high-income year delivers maximum relief at your highest marginal rate — making it far more efficient than spreading smaller contributions across multiple years.
What are practical examples of carry forward in action?
Example 1: Bonus shelter. A marketing director earning £95,000 receives a £40,000 bonus, bringing total income to £135,000. Without planning, they lose their Personal Allowance entirely (income exceeds £125,140). If they contribute £40,000 to a pension using carry forward (having contributed only £5,000/year in the previous three years), their adjusted net income drops to £95,000 — well below the £100,000 PA taper start. They save 40% income tax on the contribution (£16,000) plus restore their Personal Allowance (saving a further ~£5,000).
Example 2: Pre-retirement top-up. A 58-year-old earning £75,000 with £20,000/year in unused allowance from three previous years has £60,000 of carry-forward headroom plus this year's £60,000 = £120,000 available. By contributing £75,000 (their earnings limit), they receive tax relief of £30,000 at the higher rate — a massive final boost to their pension pot just before retirement.
Example 3: Self-employed windfall. A freelance consultant who earned £25,000 in 2023/24 and 2024/25 but £150,000 in 2026/27 has significant carry-forward headroom from the low years. Contributing £120,000 in 2026/27 (using current-year allowance plus carry forward) reduces their taxable income to £30,000, saving both higher and additional rate tax on the contribution.
What mistakes should I avoid with pension carry forward?
The most common error is forgetting that employer contributions count towards the Annual Allowance. If your employer contributes £8,000/year through auto-enrolment, your unused allowance in each prior year is only £52,000, not £60,000. Always include employer contributions when calculating headroom. Check your annual pension statement or ask your pension provider for the exact figures.
Another mistake is failing to be a pension scheme member in a year you want to carry forward from. If you left your workplace pension and had no SIPP or personal pension in a particular year, that year's allowance is lost. Opening a SIPP with even a nominal £1 contribution establishes membership and preserves future carry-forward rights.
Finally, be careful with the earnings cap. Contributing more than your earnings generates no tax relief on the excess and may trigger an Annual Allowance charge. If you are married and one partner has low earnings but high carry-forward headroom, they cannot “borrow” the other partner's earnings — each person's pension contribution is limited by their own income.
Sources
- HMRC — Pension Annual Allowance. Annual Allowance of £60,000 for 26-27. Accessed July 2026.
- HMRC — Tax relief on pension contributions. Basic rate relief at 20%, higher rate at 40%, additional rate at 45%. Accessed July 2026.
- HMRC — Income Tax rates and Personal Allowances. Personal Allowance £12,579, taper starts at £100,000. Accessed July 2026.