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Updated for 2025/26

£15,125 vs £21,175 Salary Comparison

Compare a £15,125 salary against £21,175. Find out exactly how much more (or less) you will take home after tax.

Gross Difference
+£6,050
per year
Take Home Extra
+£363.00
per month
You Keep
72%
of the raise
5-Year Gain
+£21,780
cumulative

Entry-Level Career Progression

This comparison is typical for early career moves or first promotions. At this salary range, most of your income is taxed at the basic rate (20%), so you keep a higher percentage of any raise.

  • Negotiate hard - you keep ~70-80% of any increase at this level
  • Consider employers offering good pension matching (often worth more than small salary differences)
  • Look for roles with clear progression paths to higher bands
  • Factor in benefits like free lunches, gym memberships, or transport subsidies

Compare Salaries

Enter multiple salaries to compare take-home pay for 2025/26

£
£

Comparison Results

Metric£15,125£21,175Difference
Gross Salary£15,125£21,175£6,050
Income Tax£511£1,721£1,210
National Insurance£204£688£484
Pension£0£0£0
Take-Home Pay (Yearly)
£14,410
£18,766
£4,356
Take-Home (Monthly)£1,201£1,564£363
Effective Tax Rate4.7%11.4%6.6%

£15,125

Gross£15,125
Take-Home£14,410
You Keep95.3%

£21,175

Gross£21,175
Take-Home£18,766
You Keep88.6%

Tax Band Analysis

Understanding where your money goes

£15,125

Tax BandBasic Rate
Marginal Rate20%
Income Tax£511.00
National Insurance£204.40
Take Home (Monthly)£1,200.80

£21,175

Tax BandBasic Rate
Marginal Rate20%
Income Tax£1,721.00
National Insurance£688.40
Take Home (Monthly)£1,563.80

What £363.00 Extra Buys You

Real-world value of the take-home difference

Monthly Subscriptions
Netflix, Spotify, gym - £100.00/mo
Weekend Breaks
1-2 UK getaways per month at this budget

Full Comparison: £15,125 vs £21,175

£15,125

  • Gross Pay£15,125.00
  • Take Home (Year)£14,409.60
  • Take Home (Month)£1,200.80
  • Effective Tax Rate4.7%

£21,175

  • Gross Pay£21,175.00
  • Take Home (Year)£18,765.60
  • Take Home (Month)£1,563.80
  • Effective Tax Rate11.4%

The difference in take-home pay is £4,356 per year, which works out to £363.00 per month.