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2025/26 Tax Year

£42,000 Salary - UK Employer Cost

To employ someone on a £42,000 salary in the UK, the total cost to the employer is £48,810 per year. That's +16.2% on top of the gross salary.

Gross Salary
£42,000
employee pay
Total Employer Cost
£48,810
per year
Employer NI
£5,550
15% rate
Employer Pension
£1,260
3% minimum

£42,000 Employment Cost Breakdown

DescriptionYearlyMonthly
Gross Salary£42,000.00£3,500.00
Employer National Insurance (15%)+£5,550.00+£462.50
Employer Pension (3%)+£1,260.00+£105.00
Total Employer Cost£48,810.00£4,067.50

Employer Cost vs Employee Take Home

What the Employer Pays

£48,810

total cost per year

Gross Salary£42,000
Employer NI£5,550
Employer Pension£1,260

What the Employee Gets

£33,760

take home pay per year

Gross Salary£42,000
Income Tax-£5,886
Employee NI-£2,354

The employer pays £15,050 more than what the employee takes home (45% difference)

Adjust Pension Contribution

Employee Salary

Enter the gross salary for 2025/26

£
3%
3% (minimum)15%

Total Employer Cost

What it actually costs to employ someone

£48,810
per year
+16.2% overhead
Gross Salary£42,000
Employer NI (15%)+£5,550
Employer Pension (3%)+£1,260
Total Cost£48,810
£4,068
per month
£188
per working day

Understanding £42,000 Employer Costs

When hiring an employee on a £42,000 salary in the UK for 2025/26, the total cost to the employer is £48,810. This includes the gross salary plus employer National Insurance contributions and pension contributions.

Employer National Insurance is charged at 15% on all earnings above £5,000 per year. For a £42,000 salary, this amounts to £5,550 per year.

The minimum employer pension contribution under auto-enrollment is 3%, which adds £1,260 to the annual cost. Many employers offer higher pension contributions as part of their benefits package.

Compare this to the employee's perspective: see the £42,000 take-home pay calculation.