£21,000 is below the UK median salary of £35,000. Whether it is enough depends heavily on where you live, your household situation, and your financial goals. This guide breaks down exactly what you take home after tax, how £21k compares to other UK earners, and what it realistically affords in 2025.
£21k Salary — Take-Home Summary (2025/26)
| Gross annual salary | £21,000 |
| Income tax | - £1,686 |
| National Insurance | - £674 |
| Annual take-home | £18,639 |
| Monthly take-home | £1,553 |
Based on 2025/26 tax rates. Assumes standard personal allowance, employee NI only. Does not include pension contributions, student loan, or other deductions.
Is £21k a good salary in the UK?
£21,000 places you in the bottom 30% of UK earners. Below the uk median salary of £35,000. The UK median full-time salary is approximately £35,000, so context matters — what feels comfortable in Leeds or Liverpool may feel stretched in London or the South East.
In London, £21k is considered tight given average rent of £2,000+/month. Outside London it affords a comfortable lifestyle.
What can you afford on £21k take-home?
With a monthly take-home of £1,553, a rough budget breakdown for a single person outside London might look like: rent £543-£621/month (35-40% of take-home is the standard housing guideline), bills and utilities £124-£155/month, food and groceries £186/month, transport £108/month, and discretionary spending £310+/month. The remainder can be directed to savings and pension contributions.
Want to make the most of your salary?
A qualified IFA can help with pension planning, tax efficiency, and investments. Find a verified adviser on the Kaeltripton Financial Index.
Find an IFA Near YouHow does £21k compare to the UK average?
The UK median annual salary for full-time employees is approximately £35,000 according to ONS data. The mean average is slightly higher at around £37,000 due to high earners pulling the average up. At £21,000, you are earning below both figures. In terms of all workers including part-time, the median is around £28,000 — meaning £21k places you solidly in the bottom 30% of all UK workers.
Making the most of a £21k salary
Regardless of salary level, the fundamentals of financial planning are the same: maximise pension contributions (employer match is effectively free money), build an emergency fund of 3-6 months expenses, use your annual ISA allowance (£20,000 in 2025/26), and protect your income with appropriate insurance. At higher salary levels, tax efficiency becomes increasingly important — a qualified independent financial adviser can identify strategies to reduce your tax liability legally and maximise your wealth accumulation.
Tax on a £21k salary — key figures
On a £21,000 salary in 2025/26: you pay income tax of £1,686 and National Insurance of £674, giving a total deduction of £2,360. Your effective overall tax rate is 11%. Your marginal tax rate — the rate on each additional pound earned — is 20%.
Is £21k a good salary in the UK?
£21,000 is below the UK median salary of £35,000. After income tax and NI, take-home is approximately £18,639 per year or £1,553 per month.
What is the take-home pay for £21k in 2025?
£1,686 income tax + £674 NI = £2,360 total deductions. Take-home: £18,639/year, £1,553/month.
How does £21k compare to the UK average salary?
The UK median is ~£35,000. At £21k you are in the bottom 30% of UK earners. The mean average is ~£37,000.
This article is for informational purposes only and does not constitute financial advice. Tax figures are based on 2025/26 rates and may change. Always verify with official HMRC sources.
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