Why Understanding Your Payslip Matters
Your payslip is more than just a piece of paper (or PDF) that tells you how much money has landed in your bank account. It is a detailed breakdown of your earnings, deductions, and entitlements. Understanding it helps you spot errors, plan your finances, check you are on the right tax code, and make sure your employer is making the correct pension and National Insurance contributions on your behalf.
Yet many employees glance at the net pay figure and ignore the rest. In this guide, we walk through every section of a typical UK payslip so you know exactly what each line means.
Gross Pay
Your gross pay is the total amount you have earned before any deductions. It includes:
- Basic pay: Your contracted salary or hourly wages for the pay period
- Overtime: Any additional hours worked at your overtime rate
- Bonuses and commissions: Performance-related payments, sales commission, or annual bonuses
- Statutory pay: Such as Statutory Sick Pay (SSP), Statutory Maternity Pay (SMP), or Statutory Paternity Pay
- Holiday pay: If applicable (sometimes shown separately)
If you are paid monthly, your gross pay should match your annual salary divided by 12. If it does not, check whether a bonus, overtime, or salary sacrifice arrangement is affecting the figure.
Your Tax Code
Your payslip should show your tax code. This is a code issued by HMRC that tells your employer how much tax-free income (Personal Allowance) to give you before deducting tax. The most common tax code for 2026/27 is 1257L, which represents a Personal Allowance of £12,570.
Here is how to decode your tax code:
- The number (e.g. 1257) represents your total tax-free allowances, multiplied by 10. So 1257 means £12,570 of tax-free income.
- L means you are entitled to the standard Personal Allowance.
- BR means all income from this employment is taxed at the basic rate (20%) — usually applied to a second job where your allowance is used by your main employer.
- K means your deductions (such as benefits in kind) exceed your allowances, so tax is collected by adding to your income rather than subtracting an allowance.
- S prefix (e.g. S1257L) means you are a Scottish taxpayer.
- C prefix (e.g. C1257L) means you are a Welsh taxpayer.
If your tax code looks wrong — for instance, it has changed unexpectedly or does not match what you believe your allowances should be — contact HMRC on GOV.UK or through your Personal Tax Account to get it corrected. An incorrect tax code can mean you are paying too much or too little tax.
Income Tax Deduction
The income tax line shows how much tax has been deducted for this pay period. Your employer uses the Pay As You Earn (PAYE) system to calculate this based on your tax code, your gross pay, and the cumulative tax you have already paid this year. For 2026/27 in England and Wales:
- Basic rate: 20% on taxable income up to £50,270
- Higher rate: 40% on taxable income from £50,271 to £125,140
- Additional rate: 45% on taxable income above £125,140
The PAYE system works on a cumulative basis. This means if you received a large bonus in one month and paid more tax, a quieter month later in the year may show a tax refund as the system recalculates. This is normal and does not usually require you to contact HMRC.
National Insurance Contributions
National Insurance (NI) is a separate deduction from income tax, even though both are collected through your payslip. NI contributions go towards your State Pension entitlement, as well as qualifying you for certain benefits. For employees in 2026/27:
- Below £12,570 per year (£242/week): No NI due, but you receive a qualifying credit between £6,396 and £12,570.
- £12,570 to £50,270 per year: 8% employee NI
- Above £50,270 per year: 2% employee NI
Your payslip may also show an employer NI contribution. This is paid by your employer at 15% on earnings above £5,000, and while it does not reduce your take-home pay directly, it represents an additional cost of employing you.
Pension Contributions
Under auto-enrolment, most employees are automatically enrolled into a workplace pension. The minimum contributions for 2026/27 are:
- Employee contribution: 5% of qualifying earnings (including 1% tax relief)
- Employer contribution: 3% of qualifying earnings
Qualifying earnings are the portion of your salary between £6,240 and £50,270 per year. Some employers offer more generous schemes or calculate contributions on your full salary rather than just qualifying earnings.
Your payslip should show your pension contribution as a deduction. If your scheme operates on a salary sacrifice basis, the contribution is deducted before tax and NI, reducing your gross pay and therefore your tax bill. If it operates on a relief at source basis, the contribution is deducted from your net pay but the pension provider claims back basic rate tax relief and adds it to your pot.
Student Loan Repayments
If you have a student loan, repayments are collected through your payslip once your earnings exceed the relevant threshold. For 2026/27:
- Plan 1 (pre-2012 English/Welsh loans, and all Scottish/NI loans): 9% on earnings above £26,900 per year
- Plan 2 (post-2012 English/Welsh loans): 9% on earnings above £29,385 per year
- Plan 4 (post-2012 Scottish loans): 9% on earnings above £33,795 per year
- Plan 5 (loans from 2023/24 onwards): 9% on earnings above £25,000 per year
- Postgraduate loan: 6% on earnings above £21,000 per year
If you are on more than one plan, repayments for each are calculated and deducted separately. Check that the correct plan type is shown on your payslip — if your employer has the wrong plan, you could be overpaying or underpaying.
Other Common Deductions
Your payslip may include additional deductions such as:
- Salary sacrifice schemes: Cycle to work, electric car leasing, or additional pension contributions
- Childcare vouchers: If you joined a scheme before October 2018
- Trade union subscriptions: Deducted at source if agreed with your employer
- Attachment of earnings: Court-ordered deductions for debts such as council tax arrears or child maintenance
Year-to-Date Figures
Most payslips include year-to-date (YTD) totals showing how much you have earned and how much has been deducted since the start of the tax year (6 April). These figures are useful for checking that your tax is correct over time and for cross-referencing with your P60 at the end of the year.
Calculate Your Expected Take-Home Pay
If something on your payslip does not look right, the quickest way to check is to calculate what your take-home pay should be. Use our free take-home pay calculator to enter your salary, tax code, pension contributions, and student loan plan — it will show you exactly what your net pay should be for 2026/27, so you can compare it with your payslip and spot any discrepancies.