Pension commutation explained
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Quick answer: Pension commutation means exchanging part of your pension pot for a one-off cash lump sum — usually up to 25% tax-free with the rest taxed as income when taken.
UK defined contribution pensions allow flexible ways to take benefits from age 55 (rising to 57). Commutation is often the first step before drawdown or annuity purchase. This guide explains tax and timing.
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Read the full pensions & retirement guide →Primary source: www.gov.uk/hmrc-internal-manuals/pensions-tax-manual/ptm063300
Full versus partial commutation
Full commutation means taking all benefits at once — often as lump sum plus annuity or drawdown on the remainder. This crystallises the entire pot in one go, which may push you into a higher income tax band.
Partial commutation lets you take a slice of tax-free cash while leaving the rest invested — useful for paying off debt without emptying the pot. You can take further slices later if your scheme allows ad hoc withdrawals.
Tax beyond 25%
Any cash above your available tax-free lump sum is taxed at marginal income tax rates in the year received — large withdrawals can push you into higher bands. Taking £50,000 in one tax year costs more than spreading the same amount over two years.
Spreading taxable withdrawals across tax years can reduce bills if you have flexible income needs. Drawdown lets you control timing, unlike an annuity that pays a fixed income automatically.
Scheme rules
Check whether your provider allows ad hoc lump sums or requires moving to drawdown first. Some older schemes have guaranteed minimum pension or protected tax-free cash above 25%.
Pension Wise offers free guidance at 50+ on commutation options before you decide. Appointments are impartial and do not recommend specific products, but help you understand tax and access choices.
Common questions
Is commutation the same as UFPLS?
Uncrystallised funds pension lump sums mix tax-free and taxable parts in each payment — different from commuting then taking income.
Can I commute a defined benefit pension?
DB schemes use separate commutation factors to exchange pension income for cash — not the standard 25% pot rule.
Does commutation affect benefits?
Large withdrawals may affect eligibility for means-tested benefits — consider timing if you claim pension credit or universal credit.