Average Salary In Slough (Before & After Tax) For 2025

The median annual salary in Slough is currently £33,561 and the mean (average) is £39,059 before tax.

The median salary means half of all employees in Slough earn more than £33,561 and half earn less.

The mean (average) salary number of £39,059 is calculated by taking all the salaries in Slough adding them up and then dividing by the total number of jobs (currently 50,000 which is 0.21% of all UK jobs).


 

Over the past 12 months the Slough median salary of £33,561 has increased by 0.50% which places it 6.20% Above the median salary of the UK as a whole.

The mean salary of £39,059 has increased 7.00% during the same time period and now standards at 2.18% Above the mean salary of the UK.

Income (Before Tax) By Decile In Slough

Top 10%: x (and above)
Top 20% £56,652
Top 25% £49,372
Top 30% £45,566
Top 40% £38,833
Bottom 40% £30,229
Bottom 30% £25,741
Bottom 25% £24,457
Bottom 20% £25,741
Bottom 10% £12,455 (and below)

Average Monthly, Weekly & Hourly Pay (Before Tax) In Slough

The median salary of £33,561 works out to:

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  • £2,796.75 per month
  • £670.10 per week
  • £17.43 per hour

The mean salary of £39,059 works out to:

  • £3,254.92 per month
  • £747.20 per week
  • £21.15 per hour

Men vs Women Salary Differences (Before Tax) In Slough

Of the 50,000 jobs in Slough, 26,000 (52.00%) were held by men and 25,000 (50.00%) were held by women.

The median salary for men was £40,040 vs £29,273 for women.

The mean salary for men was £45,162 vs £32,736 for women.

This means men in Slough are paid 36.78% more based on median salaries or 37.96% more based on mean salaries than women.

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(Note this difference does not take into account the type of jobs held by men vs women just raw salary numbers)

Average Take-Home After-Tax Income In Slough

The calculations below look at how much money the most typical worker gets to keep after income tax, employee national insurance and standard 5% employee pension contributions.

Based on Median Salary of £33,561:

  • Salary Subject to Tax: £19,624.95
  • Income Tax Owed: £3,924.99
  • National Insurance: £1,679.28
  • Employee Pension Deduction: £1,366.05

Take-Home Pay: £26,590.68 (79.23% of gross salary)
Total Gross Pension Contributions (Employee + Employer): £2,185.68

Based on Mean Salary of £39,059:

  • Salary Subject to Tax: £24,848.05
  • Income Tax Owed: £4,969.61
  • National Insurance: £2,119.12
  • Employee Pension Deduction: £1,640.95

Take-Home Pay: £30,329.32 (77.65% of gross salary)
Total Gross Pension Contributions (Employee + Employer): £2,625.52

How Expensive Is It To Employ Someone In Slough?

The direct cost to employee someone includes salary, employer national insurance and employer pension contributions (3%).

Based on the median pay in Slough it works out to:

  • Salary: £33,561
  • Employer National Insurance: £4,284.15
  • Employer Pension Contribution: £819.63

Total Cost To An Employer: £38,664.78 per year

Based on the mean pay in Slough it works out to:

  • Salary: £39,059
  • Employer National Insurance: £5,108.85
  • Employer Pension Contribution: £984.57

Total Cost To An Employer: £45,152.42 per year

Income Tax And National Insurance Paid By Workers In Slough

Finally, how much income tax and national insurance do people in Slough pay altogether?

The calculations below show the combined totals based only on median and mean salaries. However, the actual number is significantly higher as “The 10% of income taxpayers with the largest incomes contribute over 60% of income tax receipts.”

If all workers in Slough paid income tax and national insurance based on the median salary of £33,561 the combined income tax and national insurance (employer and employee) paid would be £494,421,000.

If all workers in Slough paid income tax and national insurance based on the mean salary of £39,059 the combined income tax and national insurance (employer and employee) paid would be £609,879,000.

Slough Tax Calculator

More Salary Data By City

All the data presented here comes from the Office of National Statistics.

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