How much tax you pay in the UK depends on how you earn your income, employed salary, self-employment, dividends, or a mix. This guide explains the 2024/25 rates for income tax and National Insurance, with worked examples at several income levels so you can see exactly how the numbers add up.
Calculate Your Self-Employed Tax →
How Much Tax Do I Pay in the UK?
The short answer is: it depends on your income and how you earn it. The UK uses a progressive tax system, you pay different rates on different portions of your income. You do not pay 40% on all your income just because you earn over £50,270. You pay 40% only on the income above £50,270.
UK Income Tax Bands for 2024/25
| Band | Taxable Income | Rate |
|---|---|---|
| Personal Allowance | Up to £12,570 | 0% |
| Basic Rate | £12,571 to £50,270 | 20% |
| Higher Rate | £50,271 to £125,140 | 40% |
| Additional Rate | Over £125,140 | 45% |
Important: These rates apply in England, Wales, and Northern Ireland. Scotland has its own income tax rates (different bands at the basic and intermediate levels, check the Scottish Government website for Scottish rates).
What Is the Personal Allowance?
The personal allowance (£12,570 in 2024/25) is the amount you can earn before paying any income tax. It applies to most people, but:
- If your income exceeds £100,000, the personal allowance is progressively withdrawn. For every £2 over £100,000, you lose £1 of personal allowance.
- At £125,140, the personal allowance is completely gone, which creates an effective 60% tax rate on income between £100,000 and £125,140.
- Some allowances (marriage allowance, blind person's allowance) can increase your effective personal allowance.
National Insurance Contributions (NICs)
Income tax is not the only deduction from your earnings. National Insurance (NIC) is a separate contribution:
Employed (Class 1 NICs), 2024/25
| Earnings | Employee Rate |
|---|---|
| Up to £12,570/year | 0% |
| £12,571 to £50,270/year | 8% |
| Over £50,270/year | 2% |
Your employer also pays Class 1 NICs of 13.8% on your earnings above £9,100/year, you do not pay this directly, but it is a cost your employer factors into their payroll.
Self-Employed NICs, 2024/25
- Class 2: £3.45/week if profits exceed £12,570 (voluntary if below threshold)
- Class 4: 6% on profits between £12,570 and £50,270; 2% above £50,270
Note: From April 2024, Class 2 NICs were effectively abolished for most self-employed people, Class 4 now covers NIC access to benefits for profits above the threshold.
How Much Tax Do I Pay on a £30,000 Salary?
This is one of the most common tax questions in the UK. Here is the breakdown for a standard employee with no other adjustments:
| Amount | |
|---|---|
| Gross salary | £30,000 |
| Personal allowance | −£12,570 |
| Taxable income | £17,430 |
| Income tax (20%) | £3,486 |
| Employee NICs (8% on £17,430) | £1,394 |
| Total deductions | £4,880 |
| Net (take-home) pay | £25,120 |
Effective tax rate (income tax + NIC as % of gross): 16.3%
Use our Payslip Calculator to see your exact monthly breakdown.
How Much Tax Do I Pay on a £50,000 Salary?
| Amount | |
|---|---|
| Gross salary | £50,000 |
| Personal allowance | −£12,570 |
| Taxable income | £37,430 |
| Income tax (20%) | £7,486 |
| Employee NICs | £3,018 |
| Total deductions | £10,504 |
| Net (take-home) pay | £39,496 |
Effective rate: 21.0%
How Much Tax Do I Pay on a £70,000 Salary?
At £70,000, the higher 40% rate kicks in on earnings above £50,270:
| Amount | |
|---|---|
| Gross salary | £70,000 |
| Personal allowance | −£12,570 |
| Taxable income | £57,430 |
| Income tax (basic rate 20% on £37,700) | £7,540 |
| Income tax (higher rate 40% on £19,730) | £7,892 |
| Total income tax | £15,432 |
| Employee NICs (8% on £37,700 + 2% on £19,730) | £3,411 |
| Total deductions | £18,843 |
| Net (take-home) pay | £51,157 |
Effective rate: 26.9%
How Is Self-Employed Tax Different?
If you are self-employed (sole trader), you:
- Pay income tax on profits (revenue minus allowable expenses), not gross revenue
- Pay Class 4 NICs (6% on profits £12,570–£50,270; 2% above £50,270)
- Submit a Self Assessment tax return by 31 January each year
- Pay tax twice a year: a payment on account in January and July, plus a balancing payment in January
Self-employed example, £45,000 profit:
| Amount | |
|---|---|
| Self-employment profit | £45,000 |
| Personal allowance | −£12,570 |
| Taxable income | £32,430 |
| Income tax (20%) | £6,486 |
| Class 4 NICs (6%) | £1,946 |
| Total tax | £8,432 |
| Net income | £36,568 |
Use our Self-Employed Tax Calculator for a full breakdown including payment on account estimates.
Key Tax Deadlines for 2024/25
| Deadline | What's Due |
|---|---|
| 5 April 2025 | End of 2024/25 tax year |
| 6 April 2025 | Start of 2025/26 tax year |
| 31 July 2025 | Second payment on account (2024/25) |
| 31 October 2025 | Paper Self Assessment deadline (if applicable) |
| 31 January 2026 | Online Self Assessment deadline; first payment on account 2025/26 |
Missing the 31 January deadline incurs an automatic £100 penalty, plus daily penalties and interest charges for continued non-payment.
Frequently Asked Questions
What is the income tax rate in the UK? The basic rate is 20% on income between £12,570 and £50,270. The higher rate is 40% on income between £50,271 and £125,140. The additional rate is 45% above £125,140. Scotland has slightly different rates.
How much can I earn before paying tax? £12,570 for 2024/25. This is your personal allowance. Income below this threshold is tax-free. It phases out above £100,000.
Do I pay tax on my first £12,570? No. The personal allowance means you pay no income tax on the first £12,570 of earnings. Note that National Insurance has a lower threshold and kicks in from around £12,570 at 8%.
What is the effective tax rate at £50,000? Approximately 21% (income tax + employee NICs combined) at £50,000 gross salary with no other adjustments.
What expenses can self-employed people deduct? Allowable expenses for sole traders include: business premises costs, office supplies, travel for business purposes, staff costs, marketing, professional subscriptions, accountancy fees, and business insurance. Personal expenses are not deductible.
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