# UK Freelancer Income Tax & National Insurance 2026/27

Last updated: 23 September 2026

UK sole traders and freelancers calculate Income Tax for 2026/27 on their business profits, after deducting allowable expenses, applying tax rates of 0% up to £12,570, 20% to £50,270, 40% to £125,140, and 45% above £125,140. They also pay National Insurance Contributions based on their profit levels.

Navigating the UK tax system as a sole trader or freelancer can be complex, particularly when annual rates and allowances are confirmed. This comprehensive guide outlines the Income Tax and National Insurance Contributions for the 2026/27 tax year, running from 6 April 2026 to 5 April 2027. We will detail the specific tax bands, explain how to calculate your taxable profit by claiming allowable expenses, and provide clear worked examples. Understanding these elements is crucial for effective financial planning and ensuring compliance with HMRC regulations. This guide is designed to provide clarity and practical advice for managing your self-employed tax obligations.

For the 2026/27 tax year, UK sole traders and freelancers will continue to calculate Income Tax based on profits minus allowable expenses, with fixed tax bands and National Insurance contributions. The Personal Allowance remains at £12,570.

- Tax Year: 6 April 2026 to 5 April 2027
- Personal Allowance: £12,570
- Basic Rate: 20%

Use our [freelancer tax calculator](/tools/tax-calculator) to estimate your bill.

## UK Income Tax Rates for Sole Traders 2026/27

For the 2026/27 tax year, the Income Tax rates and bands for sole traders and freelancers in England, Wales, and Northern Ireland remain consistent with previous years. Scottish residents have slightly different rates, which are not covered in detail here but follow a similar progressive structure. Your tax is calculated on your taxable profit, which is your total business income minus your allowable business expenses.

| Band | Profit | Rate |
| --- | --- | --- |
| Personal Allowance | £0 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% |

The Personal Allowance is the amount of income you can earn each tax year without paying any Income Tax. For 2026/27, this remains at £12,570. This allowance starts to be withdrawn once your adjusted net income exceeds £100,000, decreasing by £1 for every £2 earned over this threshold. If your income is £125,140 or more, your Personal Allowance will be £0.

It is important to remember that these tax bands are cumulative. This means you pay 0% on the first £12,570, then 20% on the portion of your income that falls into the basic rate band, 40% on the portion in the higher rate band, and 45% on any income above the additional rate threshold.

## National Insurance Contributions (NICs) for Sole Traders 2026/27

As a self-employed individual, you typically pay Class 4 NICs on your profits. Class 2 NICs are no longer compulsory above the Small Profits Threshold. Both still count towards your entitlement to certain state benefits, such as the State Pension.

### Class 2 National Insurance Contributions

Since 6 April 2024, Class 2 NICs are no longer due if your profits are above the Small Profits Threshold (£7,105 for 2026/27). You are treated as having paid it automatically, protecting your State Pension record with nothing to pay. If your profits are below this threshold, you can choose to pay Class 2 NICs voluntarily to protect your entitlement to state benefits.

**Class 2 NICs Voluntary Rate 2026/27:** £3.65 per week (only payable if profits are below the Small Profits Threshold). Annual total if paid voluntarily: £189.80 (52 weeks x £3.65). Most profitable sole traders pay nothing for Class 2.

### Class 4 National Insurance Contributions

Class 4 NICs are calculated as a percentage of your annual profits above a certain threshold, similar to Income Tax. These rates apply to profits between the Lower Profits Limit and the Upper Profits Limit, and then at a lower rate on profits above the Upper Profits Limit.

| Name | Profits | Rate |
| --- | --- | --- |
| Lower Profits Limit | £0 to £12,570 | 0% |
| Main Rate | £12,571 to £50,270 | 6% |
| Upper Profits Limit | Over £50,270 | 2% |

For 2026/27, the Lower Profits Limit for Class 4 NICs is expected to align with the Personal Allowance for Income Tax at £12,570. The Upper Profits Limit is expected to align with the higher rate Income Tax threshold at £50,270. These thresholds are crucial for correctly calculating your Class 4 NICs liability.

## How Sole Traders Calculate Taxable Profit

Your Income Tax and National Insurance Contributions are not calculated on your total turnover or gross income. Instead, they are based on your **taxable profit**. This is determined by taking your total business income and subtracting all your allowable business expenses.

### Total Business Income

This includes all money your business receives from sales of goods, services, commissions, and any other trading income. It is important to keep accurate records of all income streams throughout the tax year.

### Allowable Business Expenses

Allowable expenses are costs incurred wholly and exclusively for the purpose of your trade. Deducting these expenses reduces your taxable profit, which in turn lowers your Income Tax and Class 4 National Insurance bill. HMRC is strict about what constitutes an allowable expense, so it is vital to understand the rules.

- Office costs: rent, utilities, stationery, phone, broadband
- Travel costs: fuel, public transport, vehicle insurance, repairs, parking
- Marketing and advertising: website, social media ads, print materials
- Professional fees: accountant, solicitor, consultant, software subscriptions
- Training: courses directly related to your business
- Insurance: professional indemnity, public liability
- Financial costs: bank charges, interest on business loans
- Subscriptions: professional bodies, trade journals
- Clothing: specific work uniform, protective clothing
- Capital Allowances: for equipment, vehicles, machinery
- Home office expenses: flat rate or proportion of household bills
- Business entertainment (limited deductibility)

#### Detailed Breakdown of Common Allowable Expenses

- **Office Costs:** This category covers a wide range of expenses essential for running your business from an office, whether it is a dedicated commercial space or a home office.
  - Rent for business premises.
  - Utility bills for your business premises, such as electricity, gas, and water.
  - Business rates.
  - Phone and broadband costs that are solely for business use. If you use your personal phone or broadband for business, you can claim a proportion of the bill.
  - Stationery, printing, and postage.
  - Small office equipment, such as a printer, monitor, or desk chair.
- **Travel Costs:** Expenses incurred for business journeys are generally allowable.
  - Fuel, parking, train, bus, or taxi fares for business trips.
  - Vehicle insurance, repairs, servicing, and breakdown cover for a vehicle used for business.
  - Car mileage: You can claim a flat rate for business mileage if you use your personal vehicle: 45p per mile for the first 10,000 miles, then 25p per mile thereafter for cars and vans. For motorcycles, it is 24p per mile. This covers fuel, wear and tear, and servicing.
  - Accommodation and subsistence costs if you have to stay overnight for business.
- **Marketing and Advertising:** Costs associated with promoting your business and attracting clients.
  - Website design, hosting, and maintenance fees.
  - Social media advertising campaigns.
  - Print advertising, flyers, and brochures.
  - Networking event fees.
- **Professional Fees:** Payments made for professional advice or services.
  - Accountancy fees for preparing your annual accounts and Self Assessment tax return.
  - Legal fees for contracts, disputes, or business advice.
  - Consultancy fees for specialist advice.
  - Software subscriptions essential for your business operations, such as accounting software, design tools, or project management platforms.
- **Training:** Courses and training directly related to improving existing skills used in your business.
  - Costs of attending workshops, seminars, or online courses relevant to your trade.
  - Note: Training to learn a *new* skill or profession is generally not allowable.
- **Insurance:** Policies that protect your business.
  - Professional indemnity insurance.
  - Public liability insurance.
  - Business property insurance.
- **Financial Costs:** Expenses related to managing your business finances.
  - Bank charges on your business account.
  - Interest paid on business loans or overdrafts.
  - Credit card processing fees.
- **Subscriptions:** Fees for professional memberships and publications.
  - Membership fees for professional bodies or trade associations if they are relevant to your business.
  - Subscriptions to trade journals or industry-specific publications.
- **Clothing:** Specific attire required for your work.
  - Uniforms with your company logo.
  - Protective clothing, such as safety boots or high-visibility jackets.
  - Note: Everyday clothing, even if worn for work, is not an allowable expense.
- **Home Office Expenses:** If you work from home, you can claim a portion of your household costs.
  - **Simplified Expenses:** HMRC offers a flat rate based on the number of hours you work from home each month. For example, £10 per month for 25 to 50 hours, £18 for 51 to 100 hours, and £26 for 101+ hours. This covers heating, electricity, and broadband.
  - **Actual Costs:** Alternatively, you can calculate the actual proportion of your household bills that relate to your business use, based on the number of rooms used for business and the time spent working. This can include a proportion of rent or mortgage interest, council tax, utility bills, and insurance.

### Capital Allowances

For larger purchases that you keep for your business, such as equipment, machinery, or vehicles, you cannot deduct the full cost as an expense in the year you buy them. Instead, you claim capital allowances. The most common type is the Annual Investment Allowance (AIA), which allows you to deduct 100% of the cost of most plant and machinery up to a certain limit in the year of purchase. The AIA limit has been permanently set at £1 million since 1 April 2023. This means most freelancers can deduct the full cost of significant business assets against their profits in the year they are bought.

**Example of Capital Allowance:** If you buy a new laptop for £1,500 and a professional camera for £3,000 for your photography business, you can claim £4,500 as an AIA deduction against your profits in that tax year, reducing your taxable income.

### Non-Allowable Expenses

It is equally important to understand what you cannot claim as an expense. These typically include:

- Personal expenses, such as your daily commute, personal clothing, or non-business meals.
- Client entertainment, while business entertainment can be claimed as an expense for VAT purposes, it is generally not allowable for Income Tax purposes.
- Most legal costs for buying property or forming your business.
- Fines and penalties.

Accurate record-keeping of all income and expenses is paramount. Keeping receipts, invoices, and bank statements will ensure you can justify all deductions if HMRC ever queries your tax return.

## Worked Examples: Income Tax and National Insurance 2026/27

Let us walk through several examples to illustrate how Income Tax and National Insurance are calculated for sole traders with different profit levels in the 2026/27 tax year.

### Example 1: Low Profit Scenario

Sarah is a freelance graphic designer.

- Total Income: £18,000
- Allowable Expenses: £5,500

**Calculation:**

| Item | Amount |
| --- | --- |
| Total Income | £18,000 |
| Minus Allowable Expenses | -£5,500 |
| Taxable Profit | £12,500 |

**Income Tax Calculation:**

Taxable Profit: £12,500. Personal Allowance: £12,570.

| Item | Amount |
| --- | --- |
| Profit within Personal Allowance (£12,500 x 0%) | £0 |
| Total Income Tax Due | £0 |

**National Insurance Calculation:**

Taxable Profit: £12,500. Small Profits Threshold (£7,105 for 2026/27) and Class 4 NICs threshold (£12,570).

| Item | Amount |
| --- | --- |
| Class 2 NICs (profit above the Small Profits Threshold, treated as paid automatically) | £0 |
| Class 4 NICs (Profit £12,500 is below £12,570 threshold) | £0 |
| Total National Insurance Due | £0 |

**Summary:** Sarah pays no Income Tax as her profit is below the Personal Allowance, and no National Insurance since her profit is above the Small Profits Threshold and below the Class 4 threshold.

### Example 2: Basic Rate Profit Scenario

John is a self-employed consultant.

- Total Income: £40,000
- Allowable Expenses: £8,000

**Calculation:**

| Item | Amount |
| --- | --- |
| Total Income | £40,000 |
| Minus Allowable Expenses | -£8,000 |
| Taxable Profit | £32,000 |

**Income Tax Calculation:**

Taxable Profit: £32,000. Personal Allowance: £12,570.

| Item | Amount |
| --- | --- |
| Profit within Personal Allowance (£12,570 x 0%) | £0 |
| Profit in Basic Rate (£32,000 - £12,570 = £19,430 x 20%) | £3,886 |
| Total Income Tax Due | £3,886 |

**National Insurance Calculation:**

Taxable Profit: £32,000. Small Profits Threshold (£7,105 for 2026/27), Class 4 Lower Profits Limit (£12,570), Class 4 Upper Profits Limit (£50,270).

| Item | Amount |
| --- | --- |
| Class 2 NICs (profit above the Small Profits Threshold, treated as paid automatically) | £0 |
| Class 4 NICs (Profits between £12,571 to £32,000 = £19,429 x 6%) | £1,165.74 |
| Total National Insurance Due | £1,165.74 |

**Summary:** John pays Income Tax at the basic rate on his profit above the Personal Allowance, plus Class 4 NICs. His Class 2 NI is treated as paid automatically.

### Example 3: Higher Rate Profit Scenario

Maria is a successful freelance marketing strategist.

- Total Income: £85,000
- Allowable Expenses: £10,000

**Calculation:**

| Item | Amount |
| --- | --- |
| Total Income | £85,000 |
| Minus Allowable Expenses | -£10,000 |
| Taxable Profit | £75,000 |

**Income Tax Calculation:**

Taxable Profit: £75,000. Personal Allowance: £12,570.

| Item | Amount |
| --- | --- |
| Profit within Personal Allowance (£12,570 x 0%) | £0 |
| Profit in Basic Rate (£50,270 - £12,570 = £37,700 x 20%) | £7,540 |
| Profit in Higher Rate (£75,000 - £50,270 = £24,730 x 40%) | £9,892 |
| Total Income Tax Due | £17,432 |

**National Insurance Calculation:**

Taxable Profit: £75,000. Small Profits Threshold (£7,105 for 2026/27), Class 4 Lower Profits Limit (£12,570), Class 4 Upper Profits Limit (£50,270).

| Item | Amount |
| --- | --- |
| Class 2 NICs (profit above the Small Profits Threshold, treated as paid automatically) | £0 |
| Class 4 NICs (Profits £12,571 to £50,270 = £37,699 x 6%) | £2,261.94 |
| Class 4 NICs (Profits £50,271 to £75,000 = £24,729 x 2%) | £494.58 |
| Total National Insurance Due | £2,756.52 |

**Summary:** Maria pays Income Tax at both the basic and higher rates, plus Class 4 NICs across two bands. Her Class 2 NI is treated as paid automatically.

### Example 4: Additional Rate Profit Scenario

David is a highly successful freelance software developer.

- Total Income: £150,000
- Allowable Expenses: £15,000

**Calculation:**

| Item | Amount |
| --- | --- |
| Total Income | £150,000 |
| Minus Allowable Expenses | -£15,000 |
| Taxable Profit | £135,000 |

**Income Tax Calculation:**

Taxable Profit: £135,000. Personal Allowance: £0 (as adjusted net income exceeds £125,140).

| Item | Amount |
| --- | --- |
| Profit in Basic Rate (£50,270 x 20%) | £10,054 |
| Profit in Higher Rate (£125,140 - £50,270 = £74,870 x 40%) | £29,948 |
| Profit in Additional Rate (£135,000 - £125,140 = £9,860 x 45%) | £4,437 |
| Total Income Tax Due | £44,439 |

**National Insurance Calculation:**

Taxable Profit: £135,000. Small Profits Threshold (£7,105 for 2026/27), Class 4 Lower Profits Limit (£12,570), Class 4 Upper Profits Limit (£50,270).

| Item | Amount |
| --- | --- |
| Class 2 NICs (profit above the Small Profits Threshold, treated as paid automatically) | £0 |
| Class 4 NICs (Profits £12,571 to £50,270 = £37,699 x 6%) | £2,261.94 |
| Class 4 NICs (Profits £50,271 to £135,000 = £84,729 x 2%) | £1,694.58 |
| Total National Insurance Due | £3,956.52 |

**Summary:** David pays Income Tax at the basic, higher, and additional rates, with his Personal Allowance fully withdrawn. He also pays Class 4 NICs across two bands; his Class 2 NI is treated as paid automatically.

## Self Assessment Process and Deadlines for 2026/27

As a sole trader or freelancer, you are responsible for reporting your income and paying your taxes through the Self Assessment system. This involves several key steps and strict deadlines.

### 1. Register for Self Assessment

If you have not already done so, you must register for Self Assessment with HMRC by 5 October following the end of the tax year in which you started self-employment. For the 2026/27 tax year, if you started trading between 6 April 2026 and 5 April 2027, you must register by 5 October 2027. HMRC will then send you a Unique Taxpayer Reference (UTR) number, which you will need for all Self Assessment communications.

### 2. Keep Accurate Records

Throughout the tax year, it is essential to keep detailed records of all your business income and expenses. This includes invoices, receipts, bank statements, and any other relevant financial documents. Good record-keeping not only simplifies the process of completing your tax return but also provides evidence for your claims if HMRC ever conducts an inquiry. You must keep records for at least five years after the 31 January submission deadline for the relevant tax year.

### 3. Complete Your Self Assessment Tax Return

Your Self Assessment tax return, also known as a SA100, is where you declare all your income and expenses for the tax year. This includes your self-employment income, as well as any other income such as employment income, rental income, or investment income. You can complete your tax return online using HMRC's online services or commercial software, or you can submit a paper form. Most freelancers opt for online filing as it has a later deadline.

### 4. Key Deadlines for 2026/27 Tax Year

Meeting these deadlines is crucial to avoid penalties.

| Item | Deadline |
| --- | --- |
| Register for Self Assessment | 5 October following the end of the tax year |
| Paper tax return filing | 31 October following the end of the tax year |
| Online tax return filing | 31 January following the end of the tax year |
| Payment of tax bill | 31 January following the end of the tax year |
| First Payment on Account (POA) | 31 January during the tax year |
| Second Payment on Account (POA) | 31 July following the end of the tax year |

For the 2026/27 tax year (6 April 2026 to 5 April 2027), the key deadlines are:

- **5 October 2027:** Register for Self Assessment if you are newly self-employed.
- **31 October 2027:** Deadline for submitting a paper tax return for the 2026/27 tax year.
- **31 January 2028:** Deadline for submitting your online tax return for the 2026/27 tax year.
- **31 January 2028:** Deadline for paying your tax bill for the 2026/27 tax year and your first Payment on Account for the 2027/28 tax year.
- **31 July 2028:** Deadline for your second Payment on Account for the 2027/28 tax year.

### 5. Payments on Account

If your tax bill for a given tax year is over £1,000, HMRC usually requires you to make "Payments on Account" for the following tax year. These are advance payments towards your next tax bill. Each payment on account is usually half of your previous year's tax bill.

- The first payment is due by 31 January (along with any balancing payment for the previous year).
- The second payment is due by 31 July.

For example, if your 2026/27 tax bill is £3,000, you would pay:

- £3,000 (your 2026/27 tax bill) + £1,500 (first payment on account for 2027/28) by 31 January 2028.
- £1,500 (second payment on account for 2027/28) by 31 July 2028.

If you anticipate your profits will be lower in the coming tax year, you can apply to reduce your Payments on Account. However, if you reduce them too much and end up owing more tax, HMRC will charge interest and potentially penalties.

## Penalties for Late Filing and Payment

HMRC imposes strict penalties for failing to meet Self Assessment filing and payment deadlines. It is crucial to submit your tax return and pay any tax due on time to avoid these charges.

### Late Filing Penalties

The penalties for late submission of your Self Assessment tax return are as follows:

| Scenario | Penalty |
| --- | --- |
| 1 day late filing (online) | £100 |
| 3 months late filing | Additional £10 per day for up to 90 days (max £900) |
| 6 months late filing | Additional £300 or 5% of tax due, whichever is higher |
| 12 months late filing | Additional £300 or 5% of tax due, whichever is higher (more if tax is still unpaid) |
| Late payment | Interest charged, plus 5% of tax unpaid after 30 days, 6 months, and 12 months |

These penalties can accumulate rapidly, so even a short delay can become costly.

### Late Payment Penalties and Interest

In addition to filing penalties, HMRC will charge interest on any tax paid late. The interest rate is variable and is usually the Bank of England base rate plus 2.5%.

Furthermore, you may incur late payment penalties:

- **30 days late:** A penalty of 5% of the tax unpaid at that date.
- **6 months late:** An additional penalty of 5% of the tax unpaid at that date.
- **12 months late:** A further penalty of 5% of the tax unpaid at that date.

**Warning:** Failure to pay on time can lead to significant financial burdens. It is always best to communicate with HMRC if you anticipate difficulties in meeting your payment obligations. They may be able to offer a 'Time to Pay' arrangement.

## Calculate Your Freelancer Income Tax & NI

Use our free calculator to estimate your Income Tax and National Insurance liability for the 2026/27 tax year. Enter your estimated profit and see your tax bill instantly.

- Accurate 2026/27 tax rates and allowances
- Calculates both Income Tax and National Insurance (Class 2 & Class 4)
- Considers Personal Allowance withdrawal for high earners
- Helps plan for Payments on Account

[Try the tax calculator](/tools/tax-calculator)

### Example Calculation with Calculator

| Item | Amount |
| --- | --- |
| Estimated Taxable Profit | £45,000 |
| Income Tax (20%) | £6,486 |
| Class 2 National Insurance | £0 (treated as paid) |
| Class 4 National Insurance (6%) | £1,945.80 |
| Total Estimated Tax & NI | £8,431.80 |

Based on 2026/27 rates. Assumes no other income or allowances.

## How AccountsOS Helps Freelancers with Tax

We simplify your Self Assessment, helping you stay compliant and maximise your take-home pay.

### Real-Time Tax Estimate

See your estimated Income Tax and National Insurance liability update as you record transactions. No year-end surprises.

### Expense Tracking & Categorisation

AI-powered categorisation helps you identify and claim all legitimate allowable expenses, reducing your taxable profit.

### Deadline Reminders

Automatic reminders for Self Assessment filing, payment deadlines, and Payments on Account, ensuring you never miss a date.

### Self Assessment Ready Reports

Generate comprehensive reports that make completing your SA100 tax return straightforward and accurate.

### Digital Record Keeping

Securely store all your invoices, receipts, and financial documents digitally, making them easily accessible for tax purposes.

### Profit & Loss Insights

Understand your business financial health with clear profit and loss statements, helping you make informed decisions.

## Related Resources

- [Freelancer Tax Calculator](/tools/tax-calculator)
- [Allowable Expenses Guide](/expenses/freelancer)
- [Self Assessment Deadlines](/deadlines/self-assessment)

## Frequently asked questions

### What is the Personal Allowance for 2026/27?

The Personal Allowance for the 2026/27 tax year remains £12,570. This is the amount of income you can earn without paying any Income Tax. It starts to reduce if your adjusted net income is over £100,000.

### Do I pay tax on my total income or profit?

You pay Income Tax and National Insurance on your taxable profit, which is your total business income minus all your allowable business expenses. It is crucial to accurately record and claim all legitimate expenses.

### What are Payments on Account?

Payments on Account are advance payments towards your next tax bill. If your tax bill for a tax year is over £1,000, you will typically make two payments on account for the following year, due on 31 January and 31 July.

### Can I claim for working from home?

Yes, you can claim home office expenses. HMRC offers a simplified flat rate based on hours worked from home, or you can calculate a proportion of actual household costs like electricity, gas, and broadband. You cannot claim for mortgage interest or rent unless a specific part of your home is exclusively used for business.

### What happens if I miss a Self Assessment deadline?

HMRC imposes automatic penalties for late filing and charges interest and additional penalties for late payments. Even a short delay can result in a £100 fine, with further penalties accumulating over time.

### How do National Insurance Contributions work for freelancers?

As a sole trader, you pay Class 4 NICs (a percentage of profits above certain limits) through your Self Assessment. Class 2 NICs are no longer due if your profits are above the Small Profits Threshold, since 6 April 2024 you're treated as having paid it. Below the threshold, you can pay Class 2 voluntarily at a flat weekly rate to protect your State Pension record.

### What records do I need to keep for Self Assessment?

You must keep comprehensive records of all your business income and expenses, including sales invoices, purchase receipts, bank statements, and mileage logs. These records should be kept for at least five years after the 31 January submission deadline.

### Can I reduce my tax bill legally?

Yes, by ensuring you claim all allowable business expenses, making pension contributions, and utilising any available tax reliefs or allowances. Accurate record-keeping and understanding the rules are key to legitimate tax reduction.