The first pension withdrawal: emergency tax and how to avoid it

Why a first flexible withdrawal is over-taxed on a month-1 code, a worked £30,000 example, the three reclaim forms, the small-first-payment trick and the case for spreading withdrawals across tax years.

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The most common complaint about pension freedoms is not the rules but the first payslip. Take £30,000 from a pension and thousands of pounds vanish in tax that HMRC will later admit you never owed. It is not a mistake, it is a design flaw in applying a salary system to a one-off payment, and every part of it is avoidable.

Month 1: the mechanism

PAYE assumes a regular monthly wage. When a provider pays your first taxable pension amount and holds no current tax code for you, no P45 from a previous pension payment, it must use the emergency code on a month-1 basis: this payment gets one twelfth of the personal allowance (about £1,047), and one twelfth of each band (about £3,142 at 20%, then £6,239 at 40%), and everything above is taxed at 45%. A one-off lump sum therefore looks like a twelfth of a huge salary. Worked through the Hundred Summers engine: a £30,000 lump sum from an untouched pot (a UFPLS, a quarter of it tax-free) taken by someone with £15,000 of other income in the year loses £8,556 on the day, against £4,500 actually due once the year is added up; £4,056 over-taxed. The emergency tax calculator runs your own figures, including the Scottish bands.

Getting it back

Three forms reclaim it in the same tax year, usually within 30 days: P55 if you took part of the pot and will take no more this year, P53Z if you emptied the pot and have other income, P50Z if you emptied it and have none. Do nothing and the PAYE reconciliation after 5 April refunds it anyway, months later. The refund is of tax you never owed, but the cash was gone from the day you needed it, which is the real cost.

Not paying it in the first place

Two habits remove most of the problem. First, take a small first payment: £1,000 taken the same way attracts no tax at all on month 1 (it sits inside the monthly allowance), and prompts HMRC to issue the provider a proper code, so the large payment that follows is taxed cumulatively and roughly right. Since April 2025 HMRC updates those codes faster. Second, spread large withdrawals across tax years, because the over-taxation on the day is only the visible cost: the invisible one is a single big sum crossing into the 40% band when two smaller sums in two years would have stayed at 20%. That stacking against your other income, year by year, is what the Hundred Summers Pension Income tab does for you, and the tax-free lump sum calculator compares taking the 25% up front against slicing it.

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