Emergency Tax on Pension Lump Sums: Claim It Back

Take money flexibly from a pension for the first time and the amount that lands in your bank is often far smaller than you expected. The cause is nearly always the same: your provider has no up-to-date tax code for this new income, so it applies an emergency codeA temporary Month-1 tax code a provider applies to a first pension withdrawal before HMRC issues a proper code. It annualises the payment and usually over-taxes it; you reclaim the excess. on a Month 1 basis - and on a one-off withdrawal that code almost always takes too much. The difference is yours to reclaim.

Why a one-off withdrawal gets over-taxed

When you take an UFPLSUncrystallised Funds Pension Lump Sum: Taking pension money in chunks where each withdrawal is 25% tax-free and 75% taxed as income, without moving the whole pot into drawdown. or a flexible drawdown payment, 25% is tax-free and the other 75% is taxable. The problem is the code your provider must use on a first payment: the standard emergency code 1257L on a Month 1 basis. Month 1 annualises the payment - it taxes it as if you will receive the same amount every month for a year - so you get just one-twelfth of each allowance and band:

• one month’s Personal AllowanceThe amount of income you can earn each year before income tax. It is £12,570 for 2026/27, tapering away by £1 for every £2 of income over £100,000.: £1,048 tax-free;
• one month’s basic-rate band: about £3,142 taxed at 20%;
• one month’s higher-rate band: about £7,287 taxed at 40%;
• everything above that taxed at 45%.

Take a £20,000 UFPLS as your first withdrawal. The taxable 75% is £15,000. The Month 1 code annualises that to £180,000, so most of it is forced into the 40% and 45% bands and the emergency tax comes to £5,129. But if that £15,000 is the only taxable income you have this year, the tax actually due is just £486 - so you have over-paid by £4,643, exactly as the chart above shows.

Which form claims it back: two questions

Most guides list all three reclaim forms and leave you to work out which is yours. It comes down to two yes/no questions:

1. Did you empty the whole pot?
2. Do you have other taxable income this year - a job, taxable benefits or another pension?

That maps cleanly onto the three forms:

• Pot not emptied → form P55.
• Pot emptied, and you have other taxable income → form P53Z.
• Pot emptied, and you have no other taxable income → form P50Z.

Scotland: the over-tax is different

Almost every worked example online is labelled “except Scotland”. If you are a Scottish taxpayer, your emergency deduction is calculated on the Scottish income tax bands - six of them for 2026/27, with a top rate of 48% - not the rest-of-UK rates. That changes both the size of the over-tax and your true bill, so a Scottish withdrawal of the same size will not match the figures above. The calculator has a residency switch; set it to Scotland and the emergency-tax figure recalculates on the right bands.

When the emergency code takes too little

It is not always an over-payment. If you are an additional-rate taxpayer - income over £125,140, where your Personal Allowance has already tapered to nothing - the standard 1257L emergency code hands you a slice of allowance and lower-rate bands you are not actually entitled to. It can therefore take too little, leaving you owing tax at year-end rather than waiting on a refund. The calculator’s 0T code option models this harsher, no-allowance basis so high earners can see the real position before they withdraw.

How much should you actually withdraw?

If you need a specific sum in your pocket - say £15,000 net for a car or a roof - the emergency code makes the maths awkward, because the cash that arrives is short until you reclaim. You have a genuine trade-off: take a larger withdrawal now and reclaim the over-tax later, or take less and wait for the refund before topping up. Pulling out more than you need also moves money out of the pension’s tax shelter for good. The calculator’s reverse mode solves the gross withdrawal needed to hit a target net figure, so you are not guessing.

One side-effect worth knowing: once you flexibly access taxable pension income, your future pension saving is capped by the Money Purchase Annual Allowance - see the pension annual allowance guide if you are still contributing.

How long the refund takes

An in-year claim is usually repaid within about 30 days - typically 2 to 4 weeks for an online claim, a little longer by post, and slowest in the April to July peak. HMRC’s own “when to expect a reply” tool gives the current timescale.

If it is any comfort, you are in large company. In just the first quarter of 2026 (January to March), HMRC repaid £44.1 million in over-paid tax on flexible pension withdrawals, across 13,942 reclaim forms. Being over-taxed on a first withdrawal is the rule, not the exception - and so is getting it back. For the full picture of how a withdrawal is taxed, including the £268,275 Lump Sum AllowanceThe cap on tax-free pension lump sums since the Lifetime Allowance was abolished - £268,275 across all your pensions for 2026/27. The taxable 75% sits outside it. on the tax-free part, see our pension lump sum tax guide.