Carry forward is one of the most powerful tools in UK pension planning, yet it is widely underused — particularly by UK expats who spent years abroad making limited or no UK pension contributions. The principle is straightforward: if you have not used your full annual allowance in a given tax year, the unused portion can be carried forward and added to the current year's allowance, potentially enabling very large one-off pension contributions.
For returnees to the UK, high earners in a year of exceptional income, and business owners making contributions around a company sale, carry forward can mean the difference between contributing £60,000 and contributing £240,000 in a single tax year.
This guide explains how carry forward works, the conditions that must be met, the specific complications for expats, and practical strategies for using it effectively.
This is a specialist area requiring careful calculation. Nothing here constitutes personalised advice. Seek specialist guidance from a regulated pensions adviser and tax specialist before making large carry forward contributions.
The Principle of Carry Forward
The annual allowance — £60,000 in 2026/27 — limits how much can be contributed to UK registered pension schemes each tax year without triggering a tax charge. Carry forward allows any unused allowance from the three immediately preceding tax years to be brought forward and used in the current year.
The maximum contribution using carry forward in a single tax year (ignoring the tapered annual allowance) is therefore:
- Current year's allowance: £60,000
- Plus unused allowance from three years prior years (maximum £60,000 per year): £180,000
- Total maximum: £240,000
In practice, most people will not have the maximum unused allowance from all three prior years, so the actual available amount varies.
Conditions for Carry Forward
Carry forward is not available to everyone automatically. The following conditions must be met:
1. Membership of a registered pension scheme in each relevant year
To carry forward unused allowance from a given year, you must have been a member of a registered UK pension scheme in that year. Simply having been eligible to contribute, or having contributed in other years, is not enough — you must have been an active, deferred, or pensioner member of at least one registered scheme in the carry forward year.
This means:
- If you were an active member of a workplace pension, you were a member.
- If you had a deferred personal pension or old workplace scheme, you were a member.
- If you had a dormant SIPP with no contributions in the year but it remained registered with HMRC, you were a member.
For expats who had no UK pension membership at all during their years abroad — for example, if they left their only UK pension scheme before going overseas and it was wound up or transferred — they may not meet the membership test for those years and cannot carry forward from them.
Key action for expats: Before going abroad or at the earliest opportunity after leaving the UK, maintain membership of at least one UK registered pension scheme (even a SIPP with a minimal balance) in every tax year you wish to include in future carry forward calculations.
2. You must have UK-relevant earnings in the current year (for personal contributions)
Carry forward increases the annual allowance available, but your own personal pension contributions cannot exceed your UK-relevant earnings (employment and self-employment income) in the current tax year. Employer contributions are not subject to this earnings limit.
So if you have £80,000 of carry forward available but only £50,000 of UK-relevant earnings in the current year, your personal contribution is still limited to £50,000 (gross). The remaining carry forward is wasted in that year.
This is critical for expats who return to the UK mid-year or have a year with limited UK earnings despite high carry forward availability.
3. First use current year's allowance
HMRC requires that you use the current year's annual allowance first before any carry forward. Carry forward is applied in chronological order — oldest year first.
How to Calculate Your Available Carry Forward
Step 1: Identify the three previous tax years. Step 2: For each year, identify your annual allowance for that year (the standard allowance, or the tapered allowance if the taper applied). Step 3: Subtract your actual pension input amount in each year (total contributions to all registered schemes). Step 4: The unused amount in each year is available to carry forward.
Example:
| Year | Annual Allowance | Pension Input | Unused (carry forward) |
|---|---|---|---|
| 2023/24 | £60,000 | £5,000 | £55,000 |
| 2024/25 | £60,000 | £10,000 | £50,000 |
| 2025/26 | £60,000 | £0 | £60,000 |
| 2026/27 (current) | £60,000 | — | — |
In this scenario, total carry forward available for 2026/27 = £55,000 + £50,000 + £60,000 = £165,000.
Combined with the 2026/27 annual allowance of £60,000, the total available contribution in 2026/27 is £225,000 (subject to UK-relevant earnings).
Expat-Specific Complications
Years with the tapered annual allowance
If the taper applied in a prior year and reduced your allowance, the carry forward from that year is based on the tapered allowance, not the standard £60,000. For high earners who faced a tapered allowance of £15,000 and contributed nothing, carry forward from that year is only £15,000 — not £60,000.
Years of non-UK residence
For years when you were non-UK resident, you may have been a member of a UK pension scheme (maintaining a dormant SIPP, for example) whilst making little or no contribution. If so, you can carry forward the unused allowance from those years.
However, if the taper applied (which is unusual for non-residents as overseas income may not be in scope), the carry forward would be limited accordingly.
Pension input amounts for deferred DB schemes
Even if you made no contributions yourself in a year, a deferred DB scheme you still belong to will have generated a pension input amount through revaluation. This pension input uses some of your annual allowance, reducing the unused amount available to carry forward.
For expats with deferred NHS, teachers', civil service, or other DB pensions, the pension input amount from those schemes must be deducted from the annual allowance before calculating the carry forward.
The MPAA and carry forward
If you have triggered the Money Purchase Annual Allowance (MPAA) — by taking flexible drawdown income — carry forward cannot be used to increase your DC contribution above the MPAA of £10,000. Carry forward still operates for defined benefit input amounts (which are subject to the standard annual allowance rather than the MPAA), but for purely DC situations post-MPAA, carry forward is irrelevant to personal and employer contributions above £10,000.
Practical Strategies Using Carry Forward
Strategy 1: The year of return
An expat returning to UK employment after several years abroad — particularly one who maintained a dormant SIPP during their time overseas — may have accumulated significant carry forward. In the first year of return with substantial UK earnings, making the maximum available carry forward contribution (personal + employer, subject to earnings) can accelerate pension rebuilding.
Work with an accountant to time the return year carefully if possible — a full UK tax year of employment produces the maximum earnings limit for personal contributions.
Strategy 2: Business sale proceeds
Business owners who sell a UK business may receive substantial proceeds in a single year. Those with available carry forward can make large pension contributions from those proceeds (up to the combined allowance), reducing income tax liability in the year of the sale. This is one of the most tax-efficient uses of carry forward.
Note: the personal contribution limit based on UK-relevant earnings means that if the sale proceeds are treated as capital gains rather than income, they may not create "earnings" for pension contribution purposes. Professional advice is essential.
Strategy 3: Bonus year
Executives or professionals with a very high-income bonus year can use carry forward to make additional contributions, reducing their adjusted income (and potentially restoring some of their annual allowance if the bonus pushes them into taper territory).
Strategy 4: Spouse or civil partner contributions
Each individual has their own carry forward. If your spouse or civil partner has unused carry forward from years when they were a pension scheme member with low contributions (such as years of part-time work or career breaks), they can make contributions using their own carry forward — subject to their own earnings limits. Consider both partners' positions when planning contributions in high-income years.
Record-Keeping Requirements
HMRC does not require you to register to use carry forward — there is no formal application process. However, you must:
- Accurately calculate the unused allowance from each of the three prior years.
- Have pension savings statements from all schemes you belonged to in those years.
- Declare any annual allowance charge on your self-assessment return if contributions exceed the available allowance (including carry forward).
- Retain records in case HMRC enquires.
For expats, obtaining pension savings statements from multiple old schemes can be time-consuming. Allow several months for this if you are planning a large carry forward contribution.
How Global Investments Can Help
Global Investments works with UK expats and returnees who wish to use carry forward to accelerate their pension savings on return to the UK, following a business sale, or in any year of high UK earnings.
We can calculate your available carry forward from the three prior years (taking into account tapered allowances, DB scheme input amounts, and any MPAA position), identify the optimal contribution structure, and ensure contributions are made in the most tax-efficient way.
Contact us if you are in a position to make a substantial pension contribution and want to ensure you use carry forward rules correctly.
Pension rules and annual allowance thresholds may change. This guide reflects the position as of 2026. Always seek regulated advice before making large pension contributions. This guide is for information only.
This guide is for general information only and does not constitute financial, legal or tax advice. Pension rules, tax rates and programme details change; verify current requirements with a qualified and FCA-regulated pensions adviser before acting. Pension transfers involving defined benefits over £30,000 require regulated advice.