Am I Owed a Tax Rebate? The Complete 2025/26 Guide for PAYE Workers

If you are employed and pay tax through PAYE, there is a real chance HMRC is sitting on money that belongs to you. Every year a large number of UK workers overpay tax, usually without ever knowing it, because the system does not automatically refund most work-related expenses. You have to claim them.

This guide explains, in plain English, how to tell whether you are owed a tax rebate, what you can claim back, how far back a claim can go, and the quickest way to get your money. It is written for PAYE employees, the people who see tax taken straight off their payslip each month and assume it must all be correct.

What is a tax rebate?

A tax rebate (also called a tax refund) is what you get back when you have paid HMRC more income tax than you actually owed. It is not a loophole or a bonus. It is simply your own money being returned because the tax you paid did not take account of costs you are legally allowed to offset, or because your tax code was wrong.

There are two common reasons a PAYE worker overpays:

1. You spent your own money on things you need for your job and were not fully reimbursed by your employer. HMRC lets you claim tax relief on many of these costs.
2. Your tax code was wrong, so too much tax came off your pay. This happens a lot when you change jobs, have more than one job, or get put on an emergency tax code.

How do I know if I am owed a rebate?

Ask yourself a few quick questions. If you answer yes to any of them, it is worth checking.

• Do you wear a uniform or branded workwear that you wash yourself?
• Do you drive your own car or van for work (not your normal commute) and get less than 55p per mile back, or nothing at all?
• Do you pay for tools, equipment or protective gear for your job?
• Do you pay fees or subscriptions to a professional body or union that is required for your work?
• Do you work from home for part of the week because your job requires it?
• Have you changed jobs, worked more than one job, or been on an emergency tax code in the last four years?
• Do you pay for food or accommodation while working away from your normal workplace?

Each of these can trigger a claim. Most people qualify for more than one, which is exactly why so much goes unclaimed.

What can PAYE workers claim tax back on?

Here are the most common areas, each of which we cover in more detail in its own guide.

Uniform and laundry

If you wear a recognisable uniform or protective clothing and you wash or maintain it yourself, HMRC gives a flat rate allowance. The standard rate is £60 a year, and many trades and professions get more. You do not need receipts for the flat rate.

Work mileage

If you use your own vehicle for business journeys, you can claim up to 55p per mile for the first 10,000 miles in a tax year and 25p per mile after that. If your employer pays you less than this, you can claim Mileage Allowance Relief on the difference.

Working from home

If you have to work from home for part of your role, you can claim tax relief towards the extra household costs, currently set at £6 a week without needing to itemise every bill.

Tools and equipment

Mechanics, engineers and other tradespeople who buy their own tools can claim tax relief, either through a flat rate expense or, for larger purchases, through capital allowances.

Professional fees and subscriptions

Fees to approved professional bodies and unions, for example the NMC, RCN, GMC or Unison, are eligible for tax relief when membership is necessary for your job.

Food and travel when working away

Meals and accommodation costs you pay yourself while working at a temporary location can often be claimed.

How much could I get back?

It depends entirely on your job, your expenses and how many years you claim for. Because you can backdate a claim by four tax years, a single claim often covers several years at once, which is why totals can add up. A basic uniform claim might be modest on its own, but combine uniform, mileage, professional fees and a corrected tax code across four years and the figures get a lot more interesting.

The honest answer is that nobody can promise you a specific amount without looking at your situation. What we can say is that if you have genuine unreimbursed work costs, there is almost certainly something to claim.

How far back can I claim?

You can claim for the current tax year plus the previous four tax years. As of the 2025/26 tax year, that means you can still claim back to 2021/22, but the oldest year drops off at each 5 April. In short, if you delay, you can lose a year permanently. That is the single biggest reason not to put this off.

How do I claim a PAYE tax rebate?

You have two options.

You can do it yourself directly with HMRC. For a simple single-expense claim this is free and entirely doable. You will need to use HMRC’s online service or form P87, gather evidence of your expenses, and keep on top of any follow-up questions. Note that HMRC tightened the evidence rules for employment expense claims, so you now need to be able to back up what you claim.

Or you can let a specialist handle it. This is where TaxPro comes in. We identify everything you are entitled to across all four years, complete the paperwork, deal with HMRC on your behalf, and make sure nothing eligible is left behind. We work on a no win, no fee basis, so if we do not secure you a rebate, you do not pay us. A percentage fee only applies if and when your refund comes through.

How long does it take?

Once your claim is submitted to HMRC, the refund itself usually comes through in around 10 days. The whole process, from starting your claim to the money reaching you, typically takes around 8 to 10 weeks. Going forward, HMRC will normally also adjust your tax code so you pay the right amount in future, not just refund the past.

Frequently asked questions

Will claiming a rebate get me in trouble with HMRC?

No. You are claiming relief you are legally entitled to. The key is that the claim must be genuine and you must have actually incurred the costs.

I have had a rebate before. Can I claim again?

Yes. A previous rebate does not stop you claiming for later years or for expenses you missed.

I have changed jobs several times. Does that affect my claim?

No. Multiple employers over the four-year window are completely normal and TaxPro handles this routinely.

Do I need payslips and P60s?

They help. Having your payslips, P60s and a note of your work expenses makes the claim faster, although we deal with HMRC directly for most of the detail.

Find out what you are owed

The only way to know for certain is to check. It costs nothing to find out, and a few minutes now could put a meaningful sum back in your pocket, covering up to four years at once.

Start your claim with TaxPro on a no win, no fee basis and let our team do the heavy lifting with HMRC.

TaxPro works on a no win, no fee basis. If we secure your refund, our fee for PAYE claims is 37.5% plus VAT (minimum £50 plus VAT). If there is no refund, there is nothing to pay.