HMRC estimates that millions of UK workers overpay tax each year. Common reasons include wrong tax codes, work-from-home expenses, and uniform allowances. Claiming back what's yours is free and straightforward — never pay a company to do it for you.
Common Reasons for Tax Overpayment
You might be owed a refund if any of these apply.
- •Emergency tax code after starting a new job
- •Incorrect tax code that wasn't noticed (check your tax code)
- •Work-from-home tax relief (£6/week flat rate or actual costs)
- •Uniform and clothing allowance (£60-185/year depending on occupation)
- •Professional subscriptions and fees
- •Pension contributions not claimed through PAYE
- •Only worked part of the tax year (job change, redundancy, maternity leave)
How to Check If You're Owed Money
Log into your HMRC Personal Tax Account at gov.uk. Review your tax records for the last 4 years. Check your P60 (annual tax summary) against what you should have paid based on your earnings and allowances. HMRC sometimes issues automatic refunds by cheque — check if one was sent and you missed it.
Claiming Your Refund
Most refund claims can be made online through your HMRC account or via specific forms. For work-from-home relief, use form P87. For uniform allowance, apply online through gov.uk. For incorrect tax codes, call HMRC or update your details online. Most straightforward claims are processed within 5-12 weeks. Never pay a third-party 'tax refund' company — they charge 20-50% of YOUR refund for a service you can do free.
What to Do With Your Refund
A tax refund is found money — put it to work. Add it to your emergency fund, pay down debt, or deposit it into an ISA. Use SYM to track the boost to your savings. And make sure you claim for the current year too, not just back-claims — set up ongoing relief where applicable.
Frequently Asked Questions
How far back can I claim a tax refund?+
You can claim overpaid tax going back 4 years from the current tax year. So in 2026/27, you can claim back to 2022/23.
How long does a refund take?+
Straightforward claims take 5-12 weeks. HMRC sends refunds by cheque, direct bank transfer, or adjusts your tax code for future relief.
Should I use a tax refund company?+
No. They charge 20-50% of your refund for something you can do free on gov.uk. The process is straightforward — do it yourself.
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