Pension Carry Forward: How to Use Unused Annual Allowance From the Last 3 Years
If you haven't used your full £60,000 pension annual allowance in the last 3 tax years, carry forward lets you contribute the unused amount now — potentially over £200,000 in a single year. Here is exactly how it works.
Why Carry Forward Exists
The pension annual allowance limits how much can be paid into your pensions each tax year (across all schemes combined) while still receiving tax relief and avoiding the Annual Allowance Charge — a mechanism that claws back tax relief on contributions exceeding the limit. For 2026/27, the standard annual allowance is £60,000.
Carry forward exists to give flexibility to people whose income or ability to contribute varies significantly year to year — for example, someone who received a large bonus, an inheritance, or sold a business in the current tax year and wants to make a substantial one-off pension contribution reflecting several years of previously unused allowance.
How Carry Forward Works
| Rule | Detail |
|---|---|
| Look-back period | The 3 tax years immediately before the current one |
| Order of use | Current year's allowance used first, then unused allowance from the earliest of the 3 prior years, working forward |
| Scheme membership requirement | You must have been a member of a registered pension scheme at some point during each year you're carrying forward from |
| Allowance basis for carried-forward years | Based on whatever the annual allowance was in that specific year (which may differ from the current year's figure, and may be lower if you were subject to tapering in that year) |
Worked Example
| Tax year | Annual allowance that year | Contributions actually made | Unused allowance |
|---|---|---|---|
| 2023/24 | £60,000 | £15,000 | £45,000 |
| 2024/25 | £60,000 | £20,000 | £40,000 |
| 2025/26 | £60,000 | £10,000 | £50,000 |
| 2026/27 (current year) | £60,000 | — | — |
Total available for 2026/27 contribution using carry forward: £60,000 (current year) + £45,000 + £40,000 + £50,000 = £195,000
This individual could, in principle, contribute up to £195,000 into their pension in 2026/27 without triggering the Annual Allowance Charge, provided they meet the separate earnings-based tax relief requirement discussed below.
The Earnings-Based Tax Relief Limit: A Separate, Critical Rule
Carry forward increases how much you can contribute before the Annual Allowance Charge applies — but it does not override the general rule that tax relief on personal pension contributions is limited to 100% of your relevant UK earnings for that tax year (with a minimum £3,600 gross allowance even for those with no earnings, under the "relief at source" rules for very low or no earners).
| Scenario | Outcome |
|---|---|
| Relevant UK earnings this year: £50,000; carry forward availability: £195,000 | Personal contributions attracting tax relief are capped at £50,000 (the earnings limit), even though carry forward theoretically allows more |
| Employer contribution on top of personal contribution | Employer contributions aren't restricted by the individual's personal earnings in the same way, so an employer could contribute more, using carry forward, without this specific earnings cap applying to the employer's portion (though the overall annual allowance, including carry forward, still applies in total) |
This distinction — carry forward extends the annual allowance ceiling, but personal contribution tax relief is separately capped by earnings — is one of the most commonly misunderstood aspects of carry forward, and is worth clarifying with a financial adviser or accountant before making a large one-off contribution.
The Tapered Annual Allowance and Carry Forward
High earners subject to the tapered annual allowance (broadly, those with "threshold income" above £200,000 and "adjusted income" above £260,000 in 2026/27) have a reduced annual allowance for that year — as low as £10,000 at the most severe end of the taper. If you were tapered in a previous year, the unused allowance you can carry forward from that specific year is based on your actual (reduced) allowance for that year, not the standard £60,000 — meaning high earners need to check their historic adjusted income and taper position for each of the 3 prior years carefully before calculating available carry forward.
Practical Situations Where Carry Forward Is Commonly Used
- A large bonus or one-off payment in the current year, where the recipient wants to shelter more of it from income tax via a large pension contribution.
- Selling a business and wanting to make a significant pension contribution from the proceeds in the year of sale.
- Employer contributions following a strong company profit year, where a business wants to make a substantial employer pension contribution for a director or key employee.
- Catching up after a career break or period of lower income, once income and contribution capacity increase again.
Given the complexity of tracking scheme membership, historic allowances, tapering, and the separate earnings-based limit across multiple years, anyone considering a significant carry-forward contribution should work through the specific figures carefully — ideally with a financial adviser or accountant — before making the contribution, since correcting an excess contribution after the fact is considerably more difficult than getting the calculation right upfront.
Frequently asked questions
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