How do I make sure my tax code is correct?
If you believe your tax code is wrong you should contact HMRC who will issue your employer with a revised tax code as required. This can be done by phone – 0300 200 3300 – or on-line . Almost all employers will now be operating PAYE in Real Time.
Tax code 1257L will be the most common tax code for the tax year 2021/22 and 2022/23. It is expected to be unchanged until 2026. It replaces tax code 1250L, which was the most popular tax code for the previous 2 tax years (2019/20 and 2020/21).
Tax code 1257L
The most common tax code for tax year 2022 to 2023 is 1257L. It's used for most people with one job and no untaxed income, unpaid tax or taxable benefits (for example a company car). 1257L is an emergency tax code only if followed by 'W1', 'M1' or 'X'.
The calculation for the maximum you can earn tax free is: 'total deductions' minus 'total allowances' equals Personal Allowance. This Personal Allowance figure is multiplied by 10 and becomes the number section in your tax code.
Why does my tax code matter? If there is an error with your tax code, then you are paying the wrong amount of income tax. If you have paid too much then you can reclaim the overpayment, as long as you are within HMRC's deadlines. If you have paid too little, then you need to repay HMRC.
The standard tax code for 2021/22 and 2022/23 is 1257L because the UK government increased the standard Personal Allowance to £12,570. If you see a tax code that isn't in line with the standard Personal Allowance, like a 1256L tax code, that means you were given some tax relief.
1257L tax code
The most common tax code for the 2022-23 tax year is 1257L. It means that you are entitled to the full Personal Allowance of £12,570. And, as the tax free Personal Allowance amount is locked in until 2026, this will remain the most common tax code until then.
Details of the PAYE codes for 2022-23 are as follows. The basic PAYE tax code is set at 1257L for employees. This gives an employee a personal allowance of £12,570 for the year, which has remained unchanged. 1257L is also called the 'emergency code' when operated on a non-cumulative basis.
So the number on your tax code will remain the same. But that doesn't mean that the letters won't change. If your employment or financial circumstances change at any point during the tax year, then your tax code will change to reflect that.
Tax code 1257L will be the most common tax code for the tax year 2021/22. It is expected to be unchanged until 2026. It replaces tax code 1250L, which was the most popular tax code for the last 2 tax years (2019/20 and 2020/21). In Wales, the equivalent tax code is C1270L and in Scotland, it is S1270L.
Why is my tax code 1256L not 1257L?
Tax Codes 1256L or 1283L
You might find that your tax code isn't in line with the standard Personal Allowance, whether it's 1256L or 1283L. This will be because the taxman has granted you tax relief – effectively increasing your Personal Allowance – to account for expenses incurred when you do your job.
1250L is a cumulative tax code, which means that if you return to work after a break or if you start working part-way through the tax year, your tax-free personal allowance will have been building up and you may pay less tax for a while.

The basic PAYE tax code is set at 1257L for employees. This gives an employee a personal allowance of £12,570 for the year. This is a £70 increase on 2020/21 and worth £14 to a basic rate taxpayer. £12,570 is also called the 'emergency code'.
HMRC's system (or third-party software if you choose to use it) will calculate how much you owe. HMRC will work out how much you owe based on the entries on the tax return and send you the tax calculation.
If HMRC has the wrong information about your income, you may be given an incorrect tax code. To correct your tax code, make sure HMRC has up-to-date details about your income. Check what you need to do if you're on an emergency tax code.
What do I need to know? If you realize there was a mistake on your return, you can amend it using Form 1040-X, Amended U.S. Individual Income Tax Return. For example, a change to your filing status, income, deductions, credits, or tax liability means you need to amend your return.
The tax code is so complicated because it is filled with myriad deductions and exclusions that Americans can take for engaging in certain activities, such as buying a home, saving for retirement, and paying down student loan debt.
So, who is actually responsible for what? HMRC regard the employee as primarily responsible to ensure that their tax code is correct and allows for everything it should. HMRC do not give the employer any information as to how the tax code is arrived at, so consequently they cannot check whether it is correct.
The L Code: You qualify for the normal tax-free Personal Allowance. The M Code: Your partner has transferred up to 10% of their Personal Allowance to you. The N Code: You've transferred up to 10% of your Personal Allowance to your spouse.
The emergency tax codes from 6 April 2022 are: 1257L W1. 1257L M1.
How much can I earn before paying National Insurance?
Who pays National Insurance. You pay mandatory National Insurance if you're 16 or over and are either: an employee earning above £242 a week. self-employed and making a profit of £6,725 or more a year.
If you're an employee you start paying National Insurance when you earn more than £242 a week (2022/23). The National Insurance rate you pay depends on how much you earn, and is made up of: 13.25% of your weekly earnings between £242 and £967 (2022/23) 3.25% of your weekly earnings above £967.
2022/23 Personal Allowance
The allowance for 2022/23 (6th April 2022 – 5th April 2023) is £12,570, the same as the previous year's allowance in 2021/22. You'll only pay tax on anything above the £12,570 Personal Allowance threshold, so if you earn £18,000 per year the taxable element of your income would be £5,430.
Employers pay Class 1A and 1B National Insurance on expenses and benefits they give to their employees. The rate from 6 November 2022 to 5 April 2023 on expenses and benefits is 14.53%. They must also pay Class 1A on some other lump sum payments, for example redundancy payments.
Your tax code is used by your employer or pension provider to work out how much Income Tax to take from your pay or pension. HM Revenue and Customs ( HMRC ) will tell them which code to use.
If your tax code is set to change, HMRC will either write to you or email you if they change your tax code. They will also let your employer know, so that your next payslip will show your new tax code and reflect any changes to the tax you have paid. You may receive a PAYE coding notice in the post.
Usually someone's tax code changes if their tax-free income (Personal Allowance) goes up or down. For example if they start or stop receiving a taxable benefit like a company car. HM Revenue and Customs (HMRC) will send you an email alert if one of your employees' tax codes changes.
BR stands for Basic Rate and means all your income from this source is taxed at 20%. The code is normally used temporarily until your employer has all of the necessary details to give you a correct tax code and apply the correct income tax deductions.
In short then, the higher the numbers are within your tax code, the less tax you will generally pay. But tax is notoriously complicated so don't make any presumptions. Call your local tax office if you are unclear about your tax code.
The basic PAYE tax code is set at 1250L for employees which is the same as for 2019/20. This gives an employee a personal allowance of £12,500 for the year. This is also called the emergency code. Employees who earn more than £125,000 have no personal allowance and receive an 0T tax code (see below).
What is an example of a tax code?
The term “tax codes” can refer to a collection of tax laws, such as the Internal Revenue Code (IRC), and can also refer to specific tax laws within the IRC. For example, IRC section 162 is a tax code that defines when you can claim a business deduction.
In the 2022/2023 tax year the higher rate 40% tax threshold starts at £50271 and stops at £150,000. This means any earnings you have over the threshold is taxed at 40% up to the £150,000 limit.
If HMRC think you have overpaid tax, they will send you a repayment of tax automatically – you do not need to make a claim. If HMRC think you have not paid enough tax, they will write to you explaining that they intend to collect the underpaid tax through your tax code or telling you how you can repay it to them.
You have to pay: Income Tax if you earn more than £1,042 a month on average - this is your Personal Allowance. National Insurance if you earn more than £190 a week.
What triggers an investigation? HMRC claims compliance checks are usually triggered when figures submitted on a return appear to be wrong in someway. If a small company suddenly makes a large claim for VAT, or a business with a large turnover declares a very small amount of tax, this will likely be flagged-up by HMRC.
Absolutely! Some mistakes are more common than others, though. HMRC are as keen as the rest of us when it comes to avoiding costly errors, so they do try to remain open and transparent. There's a very specific complaints process you can go through, so if they do make mistake then you shouldn't end up out of pocket.
If your tax code is incorrect, you will need to change it to avoid paying the wrong amount to HMRC. There are three ways to change the tax code you're currently on: online, over the phone, or with the help of professional accountancy services.
If HMRC think you have overpaid tax, they will send you a repayment of tax automatically – you do not need to make a claim. If HMRC think you have not paid enough tax, they will write to you explaining that they intend to collect the underpaid tax through your tax code or telling you how you can repay it to them.
The Personal Allowance threshold was raised to £12,570 in April 2021 . As a result, the basic tax code that most people are on changed to 1257L.
- You start a new job, and you get an emergency tax code.
- HMRC sends the wrong tax code to your employer.
- Your employer didn't use the correct tax code.
- You have more than one PAYE job.
- Your company benefits change: certain employee perks (company car, health insurance, etc.)
Will I get my tax back automatically?
If they discover that you've paid too much income tax, you get a tax refund, and its usually paid back to you in your next wage packet. Other things, like work expenses and business allowances, are never refunded automatically. Quite simply, if you don't claim them, you don't get your tax overpayment back.
If you've paid too much or too little tax by the end of the tax year (5 April), HM Revenue and Customs ( HMRC ) will send you either: a tax calculation letter (also known as a P800) a Simple Assessment letter.
Tax Codes 1256L or 1283L
You might find that your tax code isn't in line with the standard Personal Allowance, whether it's 1256L or 1283L. This will be because the taxman has granted you tax relief – effectively increasing your Personal Allowance – to account for expenses incurred when you do your job.