Let’s be honest, tax codes aren’t thrilling. But understanding them is important. From making sure you’re on the right code and not paying too much, to knowing if there’s a hidden gem in yours. 

In the UK, tax codes work like a concise puzzle, packed with important details about your tax situation. And unlike a tricky crossword, cracking the code on your payslip can lead to real financial benefits.

For example, the 1263L tax code is more than just a jumble of letters and numbers, it’s actually a small detail on your payslip that can put more money into your pocket.

What is the tax code 1263L?

So if you’re wondering what this jumble of numbers and letters means, you’ve come to the right place. The ‘1263’ in your tax code actually represents the amount of tax-free Personal Allowance you can have from that employment. That means you can earn a delightful £12,630 without owing a penny to the taxman.

That's right - you get to pocket that amount entirely tax-free, which is a slight step up (£60 to be exact) from the more common 1257L tax code, where the limit is £12,570.

Now, let's talk about the 'L' at the end. This isn't just any letter; it's the hallmark of the standard Personal Allowance. If your tax code ends in 'L,' congratulations! You're entitled to the usual rate of tax-free earnings set by the powers that be at HMRC. Now that's something worth understanding!

Why has my tax code changed to 1263L?

If you’ve suddenly spotted that 1257L has become 1263L, you may be wondering what prompted the change. HMRC can adjust your tax code when it has information about allowable employment expenses or other changes to your tax position. 

For example, your tax code could be adjusted to reflect tax relief you've claimed for qualifying employment expenses, such as professional subscriptions, work clothing or tools, vehicle expenses or certain travel costs.

As accountants, one thing we’d always recommend is checking why your tax code has changed rather than simply assuming the new tax code is correct. Check your HMRC tax code notice to see what adjustments have been included.

What makes someone eligible for the 1263L tax code?

Now, you might be wondering, "How did I end up with this magical 1263L tax code?" It's not the result of a random lottery or a secret selection process.

HMRC doesn't pull these numbers out of a hat. Your tax code is carefully calculated based on your Personal Allowance and other financial details unique to you. This includes any untaxed income and the value of any allowable expenses you've claimed.

You’ll usually see 1263L when HMRC adds £60 of allowable employment expenses (e.g., uniform laundry) to the standard £12,570 Personal Allowance after a claim (P87) or a coding update - and only if your employer hasn’t reimbursed you.

A common example is the flat-rate allowance for maintaining and laundering a work uniform: a typical base amount is £60 (some jobs have higher rates). Added to the £12,570 Personal Allowance it gives £12,630 - hence 1263L. The saving is small - about £12 a year at basic rate (around £24 at higher rate).

Other allowable expenses that can increase your Personal Allowance include:

• Working from home: You can claim £6 per week (or actual extra costs with records) only if you have to work from home for your job and your employer doesn’t reimburse you.
• Mileage: Using your own vehicle for business trips (not your normal commute) is claimable at 55p/mile for the first 10,000 miles in a car/van, then 25p/mile after that (motorcycles 24p, bicycles 20p).
• Professional subscriptions: Claimable only if necessary for your job and on HMRC’s approved list, and only if your employer hasn’t reimbursed you.

Real example of how the 1263L tax code affects your tax

Let's say Emma was previously on the standard 1257L tax code. She works in a role where she has to maintain and launder a work uniform and isn't reimbursed by her employer. HMRC adds £60 of allowable expenses to her Personal Allowance. Her tax code changes from 1257L to 1263L.

Meaning that her tax-free allowance increases from £12,570 to £12,630. That doesn't mean Emma has saved £60 in tax. The additional £60 is the amount of income that can now be tax-free. At the basic rate of Income Tax, the actual tax saving is around £12 a year.

This is an important distinction. As accountants, we often see people assume that an increase in their tax-free allowance means they'll receive the same amount in extra take-home pay. That's not quite how it works.

What if my 1263L tax code is wrong?

If you don’t recognise the change, or your circumstances have changed, don’t just ignore it. Check your HMRC tax code notice and make sure the expenses or adjustments included still apply to you. For example, if you’ve previously paid for a work expense yourself but now your employer reimburses you, your tax code may need to be reviewed.

If you think you’ve paid too much or too little tax, contact HMRC and they can review your tax code and make any necessary adjustments.

Am I entitled to a higher tax-free allowance?

Possibly. Your Personal Allowance isn’t necessarily the only figure HMRC can take into account when calculating your tax code.

Ask yourself:

• Do I pay for something I need to do my job?
• Does my employer reimburse me for it?
• Is the expense allowable?
• Have I already told HMRC about it?
• Is it already included in my tax code? 

If you don’t have the 1263L tax code, but think you should, it’s worth checking the position with HMRC before making assumptions. Alternatively,

if you're ever in doubt about your tax code, or if you experience a significant change in your financial script, it's wise to reach out to HMRC.

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How do I get a 1263L tax code if I'm not on it?

Sadly, you don't simply ask HMRC to give you a 1263L tax code. Instead, you need to qualify for the additional allowance that results in the code.

The process is usually:

1. Identify an allowable employment expense for example professional subscriptions.

2. Check whether your employer reimburses you.

3. Check whether you meet HMRC's conditions for claiming it.

4. Make the relevant claim or provide HMRC with the information they need.

5. HMRC reviews your circumstances and may update your tax code.

6. Your employer then applies the updated tax code through payroll.

So, if you're on 1257L and wondering why someone else has 1263L, don't assume you're missing out. First work out what has caused their additional £60 allowance.

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What to do if your tax code changes

Tax codes are not set in stone. They can shift from year to year, or even within a single tax year.

Don't panic if you notice a change in your tax code. It's a common occurrence, often reflecting changes in your income or tax situation. Maybe you've switched jobs, received a pay rise, or no longer qualify for certain allowances or deductions. These changes prompt HMRC to update your tax code to ensure you're paying the right amount of tax.

When you spot a new tax code on your payslip, the first step is to verify its accuracy. Check if there have been any changes in your financial circumstances that could explain the shift. This could include a new job, a change in benefits, or the cessation of work-related expenses that previously qualified you for the 1263L code.

If the change is a mystery, or if the numbers seem off, don't hesitate to contact HMRC. They're there to help clarify and correct any errors. Remember, an incorrect tax code can lead to underpaying or overpaying tax, both of which can cause financial headaches down the road.

Telephone (UK): 0300 200 3300 (Monday to Friday: 8am to 6pm)

Telephone (Outside UK): +44 135 535 9022 (Monday to Friday: 8am to 6pm; Saturday: 8am to 4pm)

Textphone: 0300 200 3319

1263L: Not a tax code-red

So, you can see how this seemingly mundane code can be a gateway to extra cash. The 1263L, unlike its 1257L counterpart, offers a higher Personal Allowance, subtly enhancing your take-home pay.

It's a reminder that understanding your tax code, especially when it changes, is crucial for financial well-being. It helps you avoid overpaying or underpaying taxes and make the most of your earnings.

All you need to do now is start making a list of what you'll spend that extra cash on. Pizza, cinema, a few bottles of wine, who knows?

If you've got additional income sources outside of your main job, you'll need to file a Self Assessment tax return. Why not let the experts handle it? Crunch has helped over 64,000 businesses, freelancers, and contractors with their finances. Our Self Assessment Service costs just £240 + VAT, and our accountants will take care of the filing for you, so you can sit back and relax.