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Your first taxable pension withdrawal is usually taxed on an emergency code. It assumes the amount you took will be repeated every month, so far too much tax is deducted. You have not lost the money. You can reclaim it from HMRC using form P55, P53Z or P50Z, or wait for HMRC to correct it.
You took a chunk of your pension, expected a certain amount to land in your account, and a shocking slice had vanished. It is one of the most common surprises in retirement, and one of the most alarming. This guide is part of our complete guide to UK retirement rules.
01Why does it happen?
When you make your first taxable withdrawal, your pension provider usually has no tax code for you. So it uses an emergency code on what is called a "month 1" basis.
That code gives you one-twelfth of your Personal Allowance and one-twelfth of each tax band, and treats the payment as if it were a monthly salary. A one-off lump sum is taxed as though you will receive the same amount every month for a year.
The emergency code treats £12,000 as one month of a £144,000 salary. Only £1,048 is covered by the personal allowance (£12,570 / 12). The rest is taxed at 20%, then 40%, then 45%.
Tax deducted: roughly £3,831!
If that £12,000 is your only taxable income for the year, the tax actually due is nil, so the whole £3,831 is refundable.
If you also receive the full State Pension, the tax actually due is about £2,400, so around £1,435 is refundable.
If you live in Scotland, the figures are different. Scotland has its own income tax bands and rates (19%, 20%, 21%, 42%, 45% and 48%), and the thresholds where each rate starts are not the same as in the rest of the UK.
02Is your tax-free cash affected?
No. Emergency tax only applies to the taxable part of a withdrawal. Your 25% tax-free cash is paid in full.
03How do you get the money back?
Over-deducted tax is refundable. There are two routes.
Route 1: claim it back now
Use the HMRC form that matches your situation. You can claim online through GOV.UK.
| Form | Use it if |
|---|---|
| P55 | You took part of your pot, left the rest invested and are not taking regular payments. |
| P53Z | You emptied the whole pot and have other taxable income, such as a salary or another pension. |
| P50Z | You emptied the whole pot and have no other income, because you have stopped work or are on benefits. |
Route 2: wait
If you do nothing, HMRC will work out what you are owed after the tax year ends and send a refund or a calculation. If you are taking regular payments, your provider should receive a corrected code and later payments will adjust. Either way, you could be waiting months.
04Can you avoid it in the first place?
Often, yes. A common approach is to make a small first withdrawal, sometimes as little as a few hundred pounds. That prompts HMRC to send your provider a proper tax code. Once the code is in place, a larger withdrawal should be taxed far more accurately.
Two cautions. First, check with your provider that the new code has arrived before you take the larger sum. Second, any taxable withdrawal, however small, triggers the Money Purchase Annual Allowance. If you are still paying into a pension, think about that before using this tactic.
05What if you need the full amount on a set date?
Plan for it. If you need £20,000 for a deposit or a building job, assume emergency tax may take a large bite and that the refund could take a month to arrive. Either withdraw earlier, use the small-first-withdrawal approach, or have other cash ready to bridge the gap.
- A heavy first deduction is usually emergency tax, not a permanent loss.
- The code assumes your one-off withdrawal repeats every month.
- Your 25% tax-free cash is not affected.
- Reclaim with form P55, P53Z or P50Z, or wait for HMRC.
- A small first withdrawal can set the right code, but it triggers the MPAA.
06Frequently asked questions
How long does a pension tax refund take?
If you claim using the right form, usually around a month. If you wait for HMRC to correct it automatically, it can be after the end of the tax year.
Will it happen on every withdrawal?
Usually only the first. Once your provider has your correct code, later withdrawals from that pension are taxed more accurately. A first withdrawal from a different provider can trigger it again.
How do I know if I was emergency taxed?
Look at the tax code on your payment statement. A code ending in M1, W1 or X, such as 1257L M1, means an emergency basis was used.
Does emergency tax mean I did something wrong?
No. It is how the PAYE system handles a payment when it has no history for you.
Will I still owe tax at the end of the year?
Possibly, if your total income for the year puts you in a higher band than the tax deducted reflects. See how much income tax you pay in retirement.
07Sources and further reading
- GOV.UK: Claim a tax refund on a pension
- GOV.UK: Tax when you get a pension
- GOV.UK: Emergency tax codes
Important: This guide is financial education, not regulated financial advice or a personal recommendation. It reflects the rules for the 2026/27 UK tax year as at October 2026. Tax rules change, and how they apply depends on your circumstances. Forms and processes can change, so check GOV.UK before you claim. If you are unsure, speak to an FCA-regulated financial adviser. You can also get free, impartial guidance from MoneyHelper, and from Pension Wise if you are 50 or over.
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Jamie Kyte APFS
Jamie Kyte APFS is a Chartered Financial Planner and Independent Financial Adviser with over a decade of experience helping people plan for retirement. He specialises in retirement income planning, pension drawdown and helping clients make confident decisions about when they can afford to stop working.
Jamie holds the Chartered Financial Planner title awarded by the Chartered Insurance Institute, alongside the Advanced Diploma in Financial Planning (Level 6) and the Diploma in Financial Planning (Level 4). He is the founder of When Can I Retire? and Kyte Financial Planning.
Kyte Financial Planning is an Appointed Representative of ValidPath Limited, which is authorised and regulated by the Financial Conduct Authority. You can verify Jamie’s regulatory status on the FCA Register and connect with him on LinkedIn.
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