How to Compare Job Offers: Understanding Your Salary and Take-Home Pay

How to Compare Job Offers: Understanding Your Salary and Take-Home Pay

When you receive a job offer, the headline salary figure is only part of the story. What you actually take home each month depends on Income Tax, National Insurance, pension contributions, and any student loan repayments. This guide helps you compare offers by looking beyond the gross salary to the net pay that lands in your bank account.

Understanding Gross Salary vs Take-Home Pay

Your gross salary is the annual figure in your contract. Your employer deducts Income Tax and National Insurance through PAYE, plus any salary sacrifice arrangements (like pension or cycle-to-work schemes). What remains is your take-home pay, sometimes called net pay.

ONS ASHE data shows the median full-time UK salary is £39,039 per year (April 2025). But a person earning that amount does not take home £39,039. Using the standard 1257L tax code and no other deductions, the take-home pay would be approximately £31,600 per year (based on the NetSlip hourly table for £20/hour, which equates to £39,000 gross). For a precise figure, use our take-home calculator.

Income Tax and National Insurance

Income Tax and National Insurance are calculated separately on the same earnings, using their own thresholds. They do not stack; you can add them together to see your total deduction.

For 2026/27 in England, Wales and Northern Ireland, the Income Tax bands are:

• Personal Allowance: up to £12,570 – 0%
• Basic rate: £12,571 to £50,270 – 20%
• Higher rate: £50,271 to £125,140 – 40%
• Additional rate: over £125,140 – 45%

Employee National Insurance rates are:

• Up to £12,570 – 0%
• £12,571 to £50,270 – 8%
• Over £50,270 – 2%

For example, on a £35,000 salary, Income Tax is £4,486 and NI is £1,794, leaving take-home of £28,720 (GovMath). That is about £2,393 per month.

The Impact of Pension Contributions

Many employers offer pension schemes where your contributions are taken from your gross salary before tax. This reduces your taxable income and your NI liability, so the cost to your take-home pay is less than the contribution amount. For a basic-rate taxpayer, a 5% pension contribution on a £35,000 salary might reduce take-home by only about 3.5% of gross. When comparing job offers, factor in the employer pension contribution too – it is part of your total compensation.

Student Loan Repayments

If you have a student loan, repayments are deducted from your pay alongside tax and NI. The thresholds and rates for 2026/27 are:

• Plan 1: £26,900 per year, 9%
• Plan 2: £29,385 per year, 9%
• Plan 4 (Scotland): £33,795 per year, 9%
• Plan 5: £25,000 per year, 9%
• Postgraduate Loan: £21,000 per year, 6%

These deductions can significantly reduce your take-home pay, especially on higher salaries. Always check which plan you are on and include it in your calculations.

Scottish Taxpayers

Scotland sets its own Income Tax bands, with rates from 19% to 48%. National Insurance and student loans are the same across the UK. On lower and middle incomes, the difference is small – about £15 more on £35,000. But from around £43,660, the 42% higher rate applies, so a Scottish taxpayer on £50,000 takes home about £1,496 less per year than someone in England (GovMath). If you are considering a job in Scotland, use a Scottish-specific calculator.

Using Salary Data to Negotiate

When negotiating a job offer, knowing the median salary for your role and region gives you a benchmark. ONS ASHE provides breakdowns by age, region, and occupation. For example, median pay peaks for those aged 40–49 at around £40,000, while those aged 18–21 earn about £24,000. Use this data to assess whether an offer is competitive.

Median Salaries by Age (approximate, ONS ASHE 2025)

• 18–21: ~£24,000
• 22–29: ~£32,000
• 30–39: ~£38,000
• 40–49: ~£40,000
• 50–59: ~£38,000
• 60+: ~£33,000

National Living Wage

The National Living Wage for workers aged 21 and over is £12.71 per hour from April 2026. For a 37.5-hour week, that is approximately £24,785 gross per year, with take-home around £21,364 (NetSlip). If an offer is near this level, consider whether the role offers progression, benefits, or pension contributions that add value.

How to Use Our Tools

To compare job offers accurately, use our take-home calculator to input different salaries, pension contributions, and student loan plans. You can also browse our salary articles for guides on specific industries and regions. Remember that the figures in this article are estimates for a single person with standard allowances. Your actual take-home pay will depend on your tax code, benefits in kind, and any other deductions.

Always check your payslip and official GOV.UK guidance. Understanding the full picture of gross salary versus net pay empowers you to negotiate confidently and choose the offer that best suits your financial goals.