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Updated for 2025/26

£18,388 vs £21,045 Salary Comparison

Compare a £18,388 salary against £21,045. Find out exactly how much more (or less) you will take home after tax.

Gross Difference
+£2,657
per year
Take Home Extra
+£159.42
per month
You Keep
72%
of the raise
5-Year Gain
+£9,565
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£18,388£21,045Difference
Gross Salary£18,388£21,045£2,657
Income Tax£1,164£1,695£531
National Insurance£465£678£213
Pension£0£0£0
Take-Home Pay (Yearly)
£16,759
£18,672
£1,913
Take-Home (Monthly)£1,397£1,556£159
Effective Tax Rate8.9%11.3%2.4%

£18,388

Gross£18,388
Take-Home£16,759
You Keep91.1%

£21,045

Gross£21,045
Take-Home£18,672
You Keep88.7%

Tax Band Analysis

Understanding where your money goes

£18,388

Tax BandBasic Rate
Marginal Rate20%
Income Tax£1,163.60
National Insurance£465.44
Take Home (Monthly)£1,396.58

£21,045

Tax BandBasic Rate
Marginal Rate20%
Income Tax£1,695.00
National Insurance£678.00
Take Home (Monthly)£1,556.00

What £159.42 Extra Buys You

Real-world value of the take-home difference

Monthly Subscriptions
Netflix, Spotify, gym - £100.00/mo

Full Comparison: £18,388 vs £21,045

£18,388

  • Gross Pay£18,388.00
  • Take Home (Year)£16,758.96
  • Take Home (Month)£1,396.58
  • Effective Tax Rate8.9%

£21,045

  • Gross Pay£21,045.00
  • Take Home (Year)£18,672.00
  • Take Home (Month)£1,556.00
  • Effective Tax Rate11.3%

The difference in take-home pay is £1,913 per year, which works out to £159.42 per month.