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Updated for 2025/26

£16,521 vs £21,021 Salary Comparison

Compare a £16,521 salary against £21,021. Find out exactly how much more (or less) you will take home after tax.

Gross Difference
+£4,500
per year
Take Home Extra
+£270.00
per month
You Keep
72%
of the raise
5-Year Gain
+£16,200
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£16,521£21,021Difference
Gross Salary£16,521£21,021£4,500
Income Tax£790£1,690£900
National Insurance£316£676£360
Pension£0£0£0
Take-Home Pay (Yearly)
£15,415
£18,655
£3,240
Take-Home (Monthly)£1,285£1,555£270
Effective Tax Rate6.7%11.3%4.6%

£16,521

Gross£16,521
Take-Home£15,415
You Keep93.3%

£21,021

Gross£21,021
Take-Home£18,655
You Keep88.7%

Tax Band Analysis

Understanding where your money goes

£16,521

Tax BandBasic Rate
Marginal Rate20%
Income Tax£790.20
National Insurance£316.08
Take Home (Monthly)£1,284.56

£21,021

Tax BandBasic Rate
Marginal Rate20%
Income Tax£1,690.20
National Insurance£676.08
Take Home (Monthly)£1,554.56

What £270.00 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: £16,521 vs £21,021

£16,521

  • Gross Pay£16,521.00
  • Take Home (Year)£15,414.72
  • Take Home (Month)£1,284.56
  • Effective Tax Rate6.7%

£21,021

  • Gross Pay£21,021.00
  • Take Home (Year)£18,654.72
  • Take Home (Month)£1,554.56
  • Effective Tax Rate11.3%

The difference in take-home pay is £3,240 per year, which works out to £270.00 per month.