Updated for 2025/26
£16,821 vs £21,821 Salary Comparison
Compare a £16,821 salary against £21,821. Find out exactly how much more (or less) you will take home after tax.
Gross Difference
+£5,000
per year
Take Home Extra
+£300.00
per month
You Keep
72%
of the raise
5-Year Gain
+£18,000
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
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Comparison Results
| Metric | £16,821 | £21,821 | Difference |
|---|---|---|---|
| Gross Salary | £16,821 | £21,821 | £5,000 |
| Income Tax | £850 | £1,850 | £1,000 |
| National Insurance | £340 | £740 | £400 |
| Pension | £0 | £0 | £0 |
| Take-Home Pay (Yearly) | £15,631 | £19,231 | £3,600 |
| Take-Home (Monthly) | £1,303 | £1,603 | £300 |
| Effective Tax Rate | 7.1% | 11.9% | 4.8% |
£16,821
Gross£16,821
Take-Home£15,631
You Keep92.9%
£21,821
Gross£21,821
Take-Home£19,231
You Keep88.1%
Tax Band Analysis
Understanding where your money goes
£16,821
Tax BandBasic Rate
Marginal Rate20%
Income Tax£850.20
National Insurance£340.08
Take Home (Monthly)£1,302.56
£21,821
Tax BandBasic Rate
Marginal Rate20%
Income Tax£1,850.20
National Insurance£740.08
Take Home (Monthly)£1,602.56
What £300.00 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: £16,821 vs £21,821
£16,821
- Gross Pay£16,821.00
- Take Home (Year)£15,630.72
- Take Home (Month)£1,302.56
- Effective Tax Rate7.1%
£21,821
- Gross Pay£21,821.00
- Take Home (Year)£19,230.72
- Take Home (Month)£1,602.56
- Effective Tax Rate11.9%
The difference in take-home pay is £3,600 per year, which works out to £300.00 per month.