UK pension carry forward lets you contribute more than the current annual allowance by drawing on unused allowance from the three previous tax years, and the current year's £60,000 limit is only the starting point. Pension Carry Forward Calculator below works the full headroom. The standard annual allowance for 2024/25 is £60,000. Any unused portion from the previous three tax years can be added to it, so a saver who used none of the allowance in the past three years can contribute far more in a single year, subject to the cap that total contributions cannot exceed 100% of relevant UK earnings.
The utilisation sequence
HMRC applies a strict order. You use the current year's allowance first. Only then do you draw on prior years, and you draw on the oldest year first, Year minus 3, before moving forward. The sequence matters because it determines which years' unused allowance you can still access, and it is the order the calculator follows.
The tapered allowance
High earners face a reduced allowance. If your threshold income exceeds £200,000 and your adjusted income exceeds £260,000, the annual allowance tapers down by £1 for every £2 of adjusted income above £260,000, down to a floor of £10,000. The taper changes the carry forward arithmetic completely, because a reduced current year allowance also shrinks what you can carry forward in future years.
Bonus and salary sacrifice scenarios
Carry forward is most valuable when income spikes. A large bonus can push you into a year where you want to contribute far more than £60,000, and the unused allowance from prior years is the mechanism that makes it legal. Salary sacrifice works differently: the employer contribution counts against your annual allowance, so a sacrifice arrangement must be sized against the full £60,000 plus any carry forward, not just your own contributions. Model the bonus before the tax year ends, because unused allowance expires after three years and cannot be recovered.
The worked case
A saver with no pension contributions in the past three years and £60,000 of unused allowance each year can contribute £240,000 in the current year, the £60,000 current allowance plus £180,000 carried forward, provided earnings support it. That is the difference between a modest annual contribution and a single, tax-efficient lump sum, and it is why carry forward is the first tool a planner reaches for before a bonus lands.